CN108798065A - A kind of integral jacking method of heritage buildings - Google Patents
A kind of integral jacking method of heritage buildings Download PDFInfo
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- CN108798065A CN108798065A CN201810638836.2A CN201810638836A CN108798065A CN 108798065 A CN108798065 A CN 108798065A CN 201810638836 A CN201810638836 A CN 201810638836A CN 108798065 A CN108798065 A CN 108798065A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
- E04G23/065—Lifting of buildings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D37/00—Repair of damaged foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/04—Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action
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Abstract
The present invention provides a kind of integral jacking method of heritage buildings, are related to rehabilitating historic building reinforcement technique field, it is intended to which construction is inconvenient when solving jacking method in the prior art for ancient building along the river, the higher problem of cost comprising following steps, S1：Reinforce ancient building main body；S2：Cofferdam construction, excavation pit；S3：Underpinning wall；S4：Support stake is plugged, annular steelframe is placed；S5：In foundation wall bottom, pad sets steel plate；S6：Setting jack is jacked in advance between steel plate and annular steelframe；S7：The prefabricated cushion cap of grafting；S8：New jack is laid between cushion cap and steel plate, the jack between adjustment ring shaped steel frame and steel plate completes jacking.The present invention is aided with lifting appliance, is jacked in advance by supporting stake, the setting of toroidal frame and steel plate, to which ancient building to be tentatively lifted away from, then transverse splicing is into prefabricated cushion cap in foundation pit, and to realize, stablizing for ancient building jacks along the river, it is not only easy for construction, and its cost is relatively low.
Description
Technical field
The present invention relates to rehabilitating historic building, reinforcement technique field, more particularly to a kind of integral jacking method of heritage buildings.
Background technology
China is the ancient civilized country with 5,000 years history, and in course of history, generations of ancestor passes through oneself
Wisdom and industrious create abundant, outstanding building of all kinds.But since Chinese architecture object post and panel structure feature is not easy to grow
Reasons, these outstanding heritage buildings such as the phase retains and chaos caused by war are destroyed can remain considerably less.Even if remaining
Heritage buildings much all arrived crumbling, anxious stage to be repaired also due to prolonged natural erosion.But due to Gu
Building is mostly post and panel structure, and structural strength is low, and overall stability is poor, and soil rigidity is insufficient, when these defects are to foundation underpinning
Through walls hole is needed to bring difficulty；Lead to foundation settlement since geological conditions is unknown again；Structure is unknown to cause jacking position to be difficult to
It determines；The low reduction by safety when causing to jack of structural strength, these all bring engineering difficulty to the jacking of heritage buildings.
Therefore, publication No. is that the Chinese invention patent of CN101725258A discloses a kind of heritage buildings integral jacking side
Method, this method include present situation reinforcing, precipitation, underpin, jack, monitoring, repair six aspects in place, and wherein key is adopted when underpining
It is that ancient building structure jacking structure one is solid with making pallet beam, beating static pressed pile and pour into a mould the measures such as the prefabricated apron piece in basis
Underpinning, to be successfully realized the integral jacking of the heritage buildings to structure, ground fragility, this heritage buildings are whole
Jacking method has very important realistic function to the rescue reparation of current heritage buildings.
This kind of integral jacking method of heritage buildings can be applied to the repairing and reinforcement work of most of ancient building, and in water conservancy
The more flourishing southern area of network, especially Traditional Towns in Southeast China, part ancient building are built along the river, and the part basis of ancient building is located at
Although the water surface hereinafter, the basis being wholely set facilitates subsequent lifting operation, less than the water surface setting basis be top
It rises device and pouring for prefabricated cushion cap brings inconvenience, difficulty of construction is big, operating cost is high, causes existing heritage buildings whole
Jacking method is difficult to repair heritage buildings along the river, thus, there is an urgent need for a kind of jacking methods can be applied to ancient building along the river.
Invention content
The object of the present invention is to provide a kind of integral jacking method of heritage buildings, ancient building along the river is can be suitably used for, is constructed
Convenient, cost is relatively low.
The present invention above-mentioned technical purpose technical scheme is that：A kind of heritage buildings integral jacking
Method includes the following steps：
S1：Temperature pier is carried out to ancient building main body；
S2：Cofferdam construction extracts excavation pit after river water, wherein foundation pit bottom surface is arranged more than foundation wall bottom surface；
S3：Temperature pier is carried out to ancient architecture foundation wall；
S4：Support slot is excavated in foundation pit bottom surface around foundation wall periphery, plugs support stake downwards in support slot, and in support slot
Annular steelframe in middle placement, then annular steelframe bottom is welded on the support preset reinforcing bar in stake top portion, wherein annular steelframe top
Portion is arranged away from foundation pit bottom surface at least 50cm；
S5：Positioned at foundation wall bottom in either direction intermittent foundation pit bottom surface excavate, backfill groove, excavate groove on
The foundation wall bottom pad of side sets steel plate, until after enveloping entire foundation wall bottom, steel plate is stretched out to the portion of foundation wall
Divide and welds together；
S6：The steel plate being welded as a whole extends to above the annular steelframe of surrounding, according to ancient architecture between steel plate and annular steelframe
Center of gravity laying jack is built to be jacked in advance；
S7：After foundation wall tentatively leaves foundation pit bottom surface, prefabricated cushion cap is laterally hung and taps into foundation pit bottom surface；
S8：Jack is added on prefabricated cushion cap, meanwhile, it adjusts the jack cooperation laid on surrounding annular steelframe and completes top
It rises.
By using above-mentioned technical proposal, during practice of construction, for ancient building along the river, the construction of the prior art is difficult
Point is, since part basis wall is immersed in the water surface hereinafter, needing the draining of progress cofferdam that can facilitate subsequent construction, simultaneously
Due to the dimensional instability and foundation wall integraty of soil, it is difficult to pile body is reinforced in setting in the soil below foundation wall, into
And jack is made to be difficult to obtain firm Support Position, it therefore, drives piles in foundation pit surrounding, annular steelframe is coordinated to be stablized
Supporting frame structure, meanwhile, foundation wall bottom be arranged upper steel plate, cooperatively form supporting plane, avoid foundation wall by
After prolonged impregnate, local pressure damages, and influences the integral jacking of ancient building；In addition, in lifting appliance
After ancient building is lifted away from foundation pit under auxiliary, prefabricated cushion cap is put into foundation pit bottom surface, to coordinate the jacking that annular steelframe is stablized ancient
Building, avoids annular steelframe from differential settlement occur under pressure and ancient building is made to damage；Pass through steel plate, annular steel
The cooperation of frame and prefabricated cushion cap, which can not only be realized, facilitates construction personnel's jacking ancient building along the river, simple in structure, easy for construction,
Cost is relatively low.
Further, the reinforcing of building structure main body includes the following steps：
Ⅰ：In the inside and outside erection steel truss of building structure main body, steel truss is fixed on building structure body base；
Ⅱ：Filling sponge, foam, rubber etc. is soft between building structure main body and steel truss or elastic material.
It is inside and outside according to the upper steel truss of its concrete structure setting in building structure main body by using above-mentioned technical proposal, and
The materials such as upper sponge, foam, rubber are filled between steel truss and building structure main body, are buffered and are reduced by these packing materials
It jacks, hang influence of the vibrations generated in termination process to ancient building, and conservation of historic buildings ancient building surface finishing element for walls can be protected
Damage.
Further, in the step S2, water-stop curtain is set around foundation pit periphery.
By using above-mentioned technical proposal, upper water-stop curtain is set in foundation pit periphery, underground water is prevented to go successively to foundation pit
Place, and influence the stability of the ancient building after jacking.
Further, in the step S2, river direction interval of postponing at the riverbed outside foundation pit plugs campshed, wherein
The distance between two campsheds are 300mm.
By using above-mentioned technical proposal, since the soil at riverbed is impregnated by river water for a long time, by spaced
Campshed reinforces the riverbed structure at the foundation pit, and the ancient building that jacking finishes is avoided to topple over sliding to riverbed side.
Further, in the step S3, the temperature pier of ancient building includes reinforcing and building structure to foundation wall
The reinforcing of main body, wherein the reinforcing of foundation wall is included the following steps：
（a）：The sundries for removing foundation wall circumferential surface, replaces broken brick, and pine is bonded using mortar or epoxy resin adhesive
Dynamic brick；
（b）：In foundation wall surrounding respectively by the fixed upper plank of screw rod perforation, plank sets rubber with foundation wall contact side pad
Film；
（c）：Two opposite plank both ends are worn drawing by steel wire rope and are fixed, and apply prestressing force.
By using above-mentioned technical proposal, on the one hand, after the sundries for disposing foundation wall surface, to formation base wall
Brick checked, repaired, avoid ancient building during jacking foundation wall by the whole of outer force effect initiator plinth wall
Body is damaged；On the other hand, by the clamping firmly foundation wall of plank, its integraty is improved, subsequent hang is facilitated to connect, jack.
Further, in the step S5, when pad sets upper steel plate, backfills soil, foundation wall bottom is stretched out in steel plate
Both ends and foundation pit bottom surface between put air bag temporarily, inflation jacking steel plate ensures that steel plate is in patch always in backfilling process
Close the state for being connected to foundation wall bottom surface.
By using above-mentioned technical proposal, steel plate is withstood by the setting of air bag, avoids steel plate from falling after rise and influences follow-up
Welding, meanwhile, air bag and foundation pit bottom surface foundation area bigger abut more stable, and are easier to mount and dismount.
Further, rammed earth is filled according to actual conditions in steel plate and foundation wall bottom surface, after ensureing backfill soil, owned
Steel plate is in same level.
Steel plate can not only be kept to be in same level by the filling of rammed earth by using above-mentioned technical proposal,
Facilitate subsequent welding, moreover it is possible to using the hollow of rammed earth filling foundation wall bottom, improve the abutting effect of steel plate.
Further, in the step S5, steel plate is welded it is integral after, on the steel plate according to steel plate and ancient building
The first suspension centre is arranged in center of gravity, and lifting appliance is arranged outside foundation pit, subsequent lifting operation is assisted by lifting appliance.
By using above-mentioned technical proposal, the jacking of jack is assisted by lifting appliance, reaction force when reducing jacking
The differential settlement brought, and subsequent jacking is made to deviate, the balance of ancient building is influenced, and then ancient building is caused to occur
Damage.
Further, in the step S7, before hanging and connecing the prefabricated cushion cap of setting, in the side transverse direction battle array of bottom of foundation ditch soil
Row plug prefabricated pile.
By using above-mentioned technical proposal, the upper prefabricated pile of horizontal array setting in the soil of bottom of foundation ditch, to reinforce
The soil texture of bottom of foundation ditch avoids prefabricated cushion cap stress from occurring significantly settling and influencing the jacking of ancient building.
Further, prefabricated cushion cap hangs to connect and includes the following steps：
A：Prefabricated cushion cap is hung on above riverbed by lifting appliance, the gap being aligned between steel plate and foundation pit ground keeps water
It is flat；
B：Rolling wood is set along prefabricated cushion cap plugging direction interval in foundation pit bottom surface；
C：In the close foundation pit one end horizontal connection overhanging cable of prefabricated cushion cap, wherein traction rope is wound on foundation pit far from riverbed
On the hoist engine of side setting；
D：Start hoist engine, prefabricated cushion cap is slowly pulled to enter between steel plate and foundation pit, and be positioned on rolling wood, in prefabricated cushion cap
Top is provided with multiple the second suspension centres being connect with the suspension hook of lifting appliance, edge while pulling prefabricated cushion cap along glide direction
Glide direction removes the second suspension centre one by one from prefabricated cushion cap close to one end of hoist engine, until prefabricated cushion cap completely into steel plate with
Between foundation pit, jack can be set after removing rolling wood；
E：Before prefabricated cushion cap grafting, the jack of prefabricated cushion cap approaching side is removed, and by the first suspension centre and lifting appliance
Complex equilibrium ancient building.
By using above-mentioned technical proposal, by the setting of the second suspension centre, cooperation rolling wood reduces frictional force, and by elevator
Machine pulls the sliding of prefabricated cushion cap, to by prefabricated cushion cap grafting on the foundation pit of steel plate bottom.
In conclusion the present invention has the following effects that：By supporting stake, the setting of toroidal frame and steel plate, it is aided with lifting and sets
It is standby, it is jacked in advance, to which ancient building to be tentatively lifted away from, then transverse splicing is into prefabricated cushion cap in foundation pit, to realize along the river
Stablizing for ancient building jacks, not only easy for construction, and its cost is relatively low.
Specific implementation mode
Embodiment：
A kind of integral jacking method of heritage buildings, includes the following steps：
S1：Temperature pier is carried out to ancient building, ancient building is protected, ancient building is avoided to be damaged during jack-up construction；
Wherein, the temperature pier of ancient building includes the reinforcing to foundation wall and the reinforcing to building structure main body, due to basis
The part-structure of wall is embedded in ground and the water surface hereinafter, therefore, preferential reinforcing construction structure main body；Building structure main body is applied
Work difficult point is, on the one hand, since the most connection structure of ancient building leans on the wooden structure structure to reach, long-time is invaded external environment
Under erosion, structural strength is relatively low, stress rapid wear, and on the other hand, ancient building outwardly and inwardly has more decorating structure, to
Ensure the aesthetics of ancient building, the difficulty of the scattered increased reinforcing of decorating structure irregularly respectively；Therefore, building structure main body
Ruggedized construction do not include the following steps：
Ⅰ：Framework sets up the steel truss coordinated inside and outside the inside and outside basis of building structure main body, and steel truss bottom is fixed in building
On main structure body pedestal, and i.e. setting upper connecting rod on the steel truss at certain altitude interval, it is fixed in the master of building structure main body
Beam portion point, it is affixed to be carried out in such a way that clamping connection, socket etc. do not damage building structure main body；
Ⅱ：Filling sponge, foam, rubber etc. is soft between building structure main body and steel truss or elastic material, scattered, Yi Song
Pad is carried out using sponge at dynamic position to bow, be aided with foam and carry out shaping, avoid occurring deviating and damaging during jacking；And compared with
It is filled by rubber elastomeric material for the position of fastening, including the building structure main body coupling part of itself, protection connects
Connect structure stress.
S2：Cofferdam is carried out according to subsequent construction demand, is extracted after river water around ancient building excavation pit, wherein foundation pit bottom surface
It is arranged more than foundation wall bottom surface；
S201：Since ancient building borders on the river setting, the water content of soil is higher at ground, on the one hand, in order to avoid underground water is being applied
Its normal operation is influenced into foundation pit during work, water-stop curtain is set around foundation pit periphery, wherein water-stop curtain is by being in row
The deep-mixed pile of shape setting is formed, and it is 500mm in depth to descend 10m, stake diameter；On the other hand, it in order to facilitate subsequent construction, reduces
The influence of Groundwater base stability carries out cheating interior precipitation, selects precipitation depth according to actual condition, and match to be segmented precipitation
Settlement observation is closed, the stability for influencing ancient building is avoided；
S202：At riverbed outside foundation pit, river direction interval of postponing plugs campshed, wherein campshed stake diameter is 300mm, stake
Away from for 300mm, to which the riverbed part more soft to structure reinforces, avoid in subsequent jack-up construction, stress is not
Makes ancient building to riverbed partial offset or topple over.
S3：Temperature pier is carried out to ancient architecture foundation wall, wherein the difficulty that foundation wall is reinforced is it mainly by big
The brick of amount bonds, and its bottom is impregnated in water for a long time, is loosened even entirety by being susceptible to after outer force effect
Property breakage still the advantage is that foundation wall part conservation value is relatively low, it can significantly be modified and
Construction, simultaneously as its structure is more regular, reinforcement is more convenient；In conclusion the reinforcing of foundation wall includes following
Step;
（a）：The sundries for removing foundation wall circumferential surface, facilitates construction personnel to observe, detect, and replaces broken brick in time,
And bond the brick loosened using mortar or epoxy resin adhesive；
（b）：In foundation wall surrounding respectively by the fixed upper plank of screw rod perforation, coated by the splicing of the polylith plank of homonymy
Firmly entire foundation wall, and upper sheet rubber is set in plank and foundation wall contact side pad, to envelope foundation wall, avoid it
It directly falls off after the stress damage of part and influences subsequent construction；
（c）：Two opposite plank both ends are worn drawing by steel wire rope and are fixed, and apply prestressing force and clamp foundation wall, improve one
Body.
S4：Support slot is excavated around the foundation pit bottom surface of foundation wall surrounding, to squeeze into support stake in support slot, supports stake
Stake diameter is 500mm, pilespacing 300mm, upper annular steelframe is placed in support slot, and annular steelframe bottom end is welded on support stake
On the reserved reinforcing bar in top, wherein annular steelframe distance from top foundation pit bottom surface at least 50cm.
S5：Foundation wall bottom, in either direction intermittent foundation pit bottom surface excavate, backfill groove, wherein opening
After digging out groove, steel plate is plugged in groove, and in steel plate both ends apical grafting air bag, is subject to foundation pit bottom surface, adjusts all steel
Plate at a distance from foundation pit bottom surface be definite value, to make steel plate in the same plane, then between steel plate and foundation wall bottom surface, steel
Rammed earth is backfilled between plate and foundation pit bottom surface；It waits for that all steel plates being welded as a whole after metal mat is set；
S501：After steel plate is welded into a whole, the first suspension centre is arranged according to the center of gravity of steel plate and ancient building on the steel plate, in base
The external selection in hole stablizes ground and lifting appliance is arranged, and subsequent lifting operation is assisted by lifting appliance.
S6：The steel plate being welded as a whole is extended to around above annular steelframe, according to ancient building weight on annular steelframe
The heart lays jack, tentatively jacks ancient building, and the distance between steel plate and foundation pit bottom surface is kept to be not less than 60cm.
S7：After foundation wall tentatively leaves foundation pit bottom surface, the concrete prefabricated cushion cap that thickness is 15cm is laterally hung and is connect
Into foundation pit bottom surface, wherein before hanging and connecing prefabricated cushion cap, from riverbed direction, laterally the array into the soil below bottom of foundation ditch plugs
Upper prefabricated pile, prefabricated pile stake diameter is 300mm, pilespacing 200mm, to reinforce bottom of foundation ditch intensity；
Be connected to below steel plate due to needing to hang prefabricated cushion cap, using directly hang connect by the way of be difficult to realize, therefore, prefabricated cushion cap
Hang to connect and include the following steps：
A：Prefabricated cushion cap is hung on above riverbed by lifting appliance, the gap being aligned between steel plate and foundation pit ground keeps water
It is flat；
B：Rolling wood is set along prefabricated cushion cap plugging direction interval in foundation pit bottom surface, in foundation pit both sides along prefabricated cushion cap approach axis point
The rolling wood that upper length is 50cm Jian Ge be set, to reduce the difficulty that follow-up rolling wood is withdrawn；
C：In the close foundation pit one end horizontal connection overhanging cable of prefabricated cushion cap, wherein traction rope is wound on foundation pit far from riverbed
On the hoist engine of side setting；
D：Start hoist engine, prefabricated cushion cap is slowly pulled to enter between steel plate and foundation pit, and be positioned on rolling wood, in prefabricated cushion cap
Top is provided with multiple the second suspension centres being connect with the suspension hook of lifting appliance, edge while pulling prefabricated cushion cap along glide direction
Glide direction removes the second suspension centre one by one from prefabricated cushion cap close to one end of hoist engine, until prefabricated cushion cap completely into steel plate with
Between foundation pit, jack can be set after removing rolling wood；
E：Before prefabricated cushion cap grafting, the jack of prefabricated cushion cap approaching side is removed, and by the first suspension centre and lifting appliance
Complex equilibrium ancient building.
S8：After waiting for that prefabricated cushion cap is placed, jack is laid on cushion cap according to operating mode, and adjust on surrounding toroidal frame
Jack cooperation complete jacking.
In conclusion the present embodiment is suitable for most of ancient building along the river, easy for construction, cost is relatively low.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of integral jacking method of heritage buildings, which is characterized in that include the following steps：
S1：Temperature pier is carried out to ancient building main body；
S2：Cofferdam construction extracts excavation pit after river water, wherein foundation pit bottom surface is arranged more than foundation wall bottom surface；
S3：Temperature pier is carried out to ancient architecture foundation wall；
S4：Support slot is excavated in foundation pit bottom surface around foundation wall periphery, plugs support stake downwards in support slot, and in support slot
Annular steelframe in middle placement, then annular steelframe bottom is welded on the support preset reinforcing bar in stake top portion, wherein annular steelframe top
Portion is arranged away from foundation pit bottom surface at least 50cm；
S5：Positioned at foundation wall bottom in either direction intermittent foundation pit bottom surface excavate, backfill groove, excavate groove on
The foundation wall bottom pad of side sets steel plate, until after enveloping entire foundation wall bottom, steel plate is stretched out to the portion of foundation wall
Divide and welds together；
S6：The steel plate being welded as a whole extends to above the annular steelframe of surrounding, according to ancient architecture between steel plate and annular steelframe
Center of gravity laying jack is built to be jacked in advance；
S7：After foundation wall tentatively leaves foundation pit bottom surface, prefabricated cushion cap is laterally hung and taps into foundation pit bottom surface；
S8：Jack is added on prefabricated cushion cap, meanwhile, it adjusts the jack cooperation laid on surrounding annular steelframe and completes top
It rises.
2. a kind of integral jacking method of heritage buildings according to claim 1, which is characterized in that in the step S1, build
The reinforcing of building structure main body includes the following steps：
Ⅰ：In the inside and outside erection steel truss of building structure main body, steel truss is fixed on building structure body base；
Ⅱ：Filling sponge, foam, rubber etc. is soft between building structure main body and steel truss or elastic material.
3. a kind of integral jacking method of heritage buildings according to claim 1, which is characterized in that in the step S2, around
Water-stop curtain is arranged in foundation pit periphery.
4. a kind of integral jacking method of heritage buildings according to claim 1, which is characterized in that in the step S2,
River direction interval of postponing at riverbed outside foundation pit plugs campshed, wherein the distance between two campsheds are 300mm.
5. a kind of integral jacking method of heritage buildings according to claim 1, which is characterized in that right in the step S3
The reinforcing of foundation wall includes the following steps：
（a）：The sundries for removing foundation wall circumferential surface, replaces broken brick, and pine is bonded using mortar or epoxy resin adhesive
Dynamic brick；
（b）：In foundation wall surrounding respectively by the fixed upper plank of screw rod perforation, plank sets rubber with foundation wall contact side pad
Film；
（c）：Two opposite plank both ends are worn drawing by steel wire rope and are fixed, and apply prestressing force.
6. a kind of integral jacking method of heritage buildings according to claim 1, which is characterized in that in the step S5,
Pad sets upper steel plate, and when backfilling soil, air bag is put temporarily between the both ends and foundation pit bottom surface that steel plate stretches out foundation wall bottom,
Inflation jacking steel plate ensures that steel plate is in the state that fitting is connected to foundation wall bottom surface always in backfilling process.
7. a kind of integral jacking method of heritage buildings according to claim 6, which is characterized in that in steel plate and foundation wall
Rammed earth is filled in bottom surface according to actual conditions, and after ensureing backfill soil, all steel plates are in same level.
8. a kind of integral jacking method of heritage buildings according to claim 1, which is characterized in that in the step S5,
By steel plate weld it is integral after, on the steel plate according to the center of gravity of steel plate and ancient building be arranged the first suspension centre, be arranged outside foundation pit
Equipment is hung, subsequent lifting operation is assisted by lifting appliance.
9. a kind of integral jacking method of heritage buildings according to claim 8, which is characterized in that in the step S7,
It hangs before connecing the prefabricated cushion cap of setting, prefabricated pile is plugged in the side horizontal array of bottom of foundation ditch soil.
10. a kind of integral jacking method of heritage buildings according to claim 9, which is characterized in that hanging for prefabricated cushion cap connects
Include the following steps：
A：Prefabricated cushion cap is hung on above riverbed by lifting appliance, the gap being aligned between steel plate and foundation pit ground keeps water
It is flat；
B：Rolling wood is set along prefabricated cushion cap plugging direction interval in foundation pit bottom surface；
C：In the close foundation pit one end horizontal connection overhanging cable of prefabricated cushion cap, wherein traction rope is wound on foundation pit far from riverbed
On the hoist engine of side setting；
D：Start hoist engine, prefabricated cushion cap is slowly pulled to enter between steel plate and foundation pit, and be positioned on rolling wood, in prefabricated cushion cap
Top is provided with multiple the second suspension centres being connect with the suspension hook of lifting appliance, edge while pulling prefabricated cushion cap along glide direction
Glide direction removes the second suspension centre one by one from prefabricated cushion cap close to one end of hoist engine, until prefabricated cushion cap completely into steel plate with
Between foundation pit, jack can be set after removing rolling wood；
E：Before prefabricated cushion cap grafting, the jack of prefabricated cushion cap approaching side is removed, and by the first suspension centre and lifting appliance
Complex equilibrium ancient building.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295765A (en) * | 2019-07-05 | 2019-10-01 | 杭州市市政工程集团有限公司 | A kind of Architecture site is moved out the construction method of protection |
| CN110397018A (en) * | 2019-08-14 | 2019-11-01 | 东北大学 | A kind of building lot reinforcement means suitable for soft clay area |
| CN111622525A (en) * | 2020-05-26 | 2020-09-04 | 中铁大桥科学研究院有限公司 | Thin-wall high-rise hollow tower column cultural relic displacement safety protection method |
| CN113863714A (en) * | 2021-11-08 | 2021-12-31 | 中铁上海工程局集团有限公司 | Memorial archway in-situ protection foundation underpinning structure and construction method |
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Cited By (6)
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| CN110295765A (en) * | 2019-07-05 | 2019-10-01 | 杭州市市政工程集团有限公司 | A kind of Architecture site is moved out the construction method of protection |
| CN110295765B (en) * | 2019-07-05 | 2021-04-06 | 杭州市市政工程集团有限公司 | Construction method for emigration protection of building site |
| CN110397018A (en) * | 2019-08-14 | 2019-11-01 | 东北大学 | A kind of building lot reinforcement means suitable for soft clay area |
| CN111622525A (en) * | 2020-05-26 | 2020-09-04 | 中铁大桥科学研究院有限公司 | Thin-wall high-rise hollow tower column cultural relic displacement safety protection method |
| CN111622525B (en) * | 2020-05-26 | 2022-02-01 | 中铁大桥科学研究院有限公司 | Thin-wall high-rise hollow tower column cultural relic displacement safety protection method |
| CN113863714A (en) * | 2021-11-08 | 2021-12-31 | 中铁上海工程局集团有限公司 | Memorial archway in-situ protection foundation underpinning structure and construction method |
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