CN101839061A - Cast-in-place concrete arc outer wall single-side formwork system and construction method thereof - Google Patents
Cast-in-place concrete arc outer wall single-side formwork system and construction method thereof Download PDFInfo
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- CN101839061A CN101839061A CN 201010164456 CN201010164456A CN101839061A CN 101839061 A CN101839061 A CN 101839061A CN 201010164456 CN201010164456 CN 201010164456 CN 201010164456 A CN201010164456 A CN 201010164456A CN 101839061 A CN101839061 A CN 101839061A
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- 238000009415 formwork Methods 0.000 title claims abstract description 33
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000004575 stone Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 6
- 239000011120 plywood Substances 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 238000010009 beating Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
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Abstract
A single-side formwork system for a cast-in-place concrete arc outer wall and a construction method thereof are disclosed, wherein the construction method comprises the following steps: step 1, arranging embedded parts on a concrete floor below an arc wall which is not yet poured; step 2, pre-splicing arc wall templates; step 3, pre-splicing and installing a single-side support frame on site, and fastening the single-side support frame with an embedded part; step 4, connecting the single-side support frame with the arc wall formwork; step 5, erecting a scaffold required by the single-side support frame; step 6, adjusting, reinforcing and checking each part; step 7, pouring circular arc wall concrete between the circular arc wall template and the circular arc outer wall of the adjacent building; and 8, after the strength of the concrete reaches the standard requirement, carrying out formwork dismantling construction. The invention greatly shortens the construction period, saves labor force, reduces construction cost, can meet the requirement of structure construction quality, and is particularly suitable for the wall construction of large public buildings with car ramps, stadiums and other arc-shaped structures.
Description
Technical field
The present invention relates to a kind of exterior wall formwork system and job practices thereof of concrete construction.
Background technology
In the construction of construction work, it is big that underground construction cast-in-place concrete exterior wall structure has a thickness of wall body, the high characteristics of building floor height.One-sided circular arc body of wall is more common in the underground garage part.Owing to limited by field condition, when outer wall of basement and adjacent architectural engineering exterior wall do not have the construction operation face, can't construct according to traditional two-sided formwork way, the lateral pressure of form bracing system and buoyancy problem are difficult to solution.The circulation material that traditional two-sided formwork not only drops into is many, and effect is low, and less stable can not satisfy workmanship and schedule requirement.Particularly adjacent architectural engineering exterior wall is under the situation of circular arc, and there is big difficulty in installing of template, as adopts traditional formwork way, can increase difficulty of construction and cost undoubtedly.
Summary of the invention
The invention provides a kind of unilateral formwork erecting system of cast-in-site concrete arc outer wall body and job practices thereof, in the time of solving outer wall of basement and adjacent architectural engineering exterior wall and not having the construction operation face, the technical problem that traditional formwork way is difficult to implement.
The technical solution adopted for the present invention to solve the technical problems is:
This unilateral formwork erecting system of cast-in-site concrete arc outer wall body, comprise built-in fitting, circular arc wall form and bracing frame, described built-in fitting is one-sided to be embedded in as yet the not concrete building intralamellar part of the circular arc body of wall of cast below in advance, and the circular arc wall form is fixed in as yet not around the circular arc body of wall of cast by built-in fitting and unilateral component support again;
Described built-in fitting is made of stone bolt, attaching nut, pressure beam, outside connecting rod and outer nut, and the stone bolt lower horizontal is embedded in concrete floor inside in advance, and its top becomes the bending obliquely of 45 degree and stretches out concrete floor; Linked to each other with outside connecting rod by the attaching nut in stone bolt upper end, the outside connecting rod both sides are provided with the pressure beam that fixing unilateral component support is used, and outside connecting rod is equipped with outer nut above the pressure beam;
Described circular arc wall form is the assembled structure that is made of panel, perpendicular rib, hyphen rib, vertical edges rib and radian adjuster; Back side of panel is connected by tap bolt with perpendicular rib, the hyphen rib is connected between the adjacent perpendicular rib, and the hyphen rib is spaced apart in the horizontal direction, is connected with the radian adjuster between the hyphen rib, the vertical edges rib is connected in the panel dual-side, is connected with the radian adjuster between vertical edges rib and the hyphen rib;
Described unilateral component support is a triangular structure, the montant of unilateral component support is fixed by the hyphen rib of gib headed bolt and formwork with fastener-style and template, the place, right angle, bottom of unilateral component support is connected with short brace, the outside connecting rod of built-in fitting passes short brace, to press beam and short brace to compress by outer nut again, the relief angle place of unilateral component support is connected with the adjusting base, regulates the base lower support on scaffold.
Described built-in fitting distance each other is not more than 300mm, at the Origin And Destination place near one section circular arc body of wall a built-in fitting is set respectively.
Described circular arc wall form is a splicing construction, vertically is distributed with slotted hole on the vertical edges rib, and the vertical edges rib of two circular arc wall forms is connected by bolt.
The panel of described circular arc wall form adopts wood plywood, and perpendicular rib adopts a few word beams, and cross rib adopts short double flute steel, and the vertical edges rib adopts angle steel.
Between the montant and brace of described unilateral component support, all be connected with bracing piece between bottom bar and the brace, montant top is equipped with builder's jack.
Described unilateral component support distance each other is not more than 800mm.
This cast-in-site concrete arc outer wall body single side formwork job practices, construction sequence is as follows:
Step 5, scene are set up the required scaffold of unilateral component support, and scaffold by pre-buried earth anchorage on steel pipe diagonal brace and the concrete floor, is fixed the adjusting base and the scaffold of unilateral component support again;
Step 6, treat that circular arc wall form, unilateral component support all are in place after, each several part is adjusted, reinforces, is checked;
Step 8, treat that concrete strength reaches code requirement after, carry out mould bases and remove construction.
The assembling method of circular arc wall form is in the described step 2: hole → snap the line of beating dress vertical edges rib on snap the line → blanking on the panel → slab → panel is installed vertical edges rib → snap the line and is installed after perpendicular rib → installations adjuster and the good template of shackle → assembly unit by drawing, regulates template and meet the requirements of radian → template and hang liter and lean against on the piling bin.
The pre-assembly of unilateral component support with mounting method is in the described step 3: brace → be connected with built-in fitting → regulate unilateral component support verticality → installation builder's jack is lacked in the unilateral component support lifting unilateral component support main body → installation bracing piece → installation that puts in place → installs.
After the unilateral component support of described step 5 is in place, regulate base, suitable for reading until the circular arc wall form to the 5mm that inclines within the walls.
Beneficial effect of the present invention is as follows: single side formwork system of the present invention is made up of built-in fitting, circular arc wall form and unilateral component support three parts.Form surfacing adopts wood plywood, and because of wood plywood has certain toughness, generation is out of shape but can not be destroyed after applying suitable external force.Utilize this characteristic of wood plywood,, make panel curve needed radian, and the radian adjuster can make the edge joint position of two templates stressed moderate by the radian adjuster by geometry principle.Have slotted hole on the vertical edges rib, the vertical edges rib of two templates is interconnected by bolt, and this piece connected mode can guarantee the concordant and faulting of slab ends not of piece.The unilateral component support can adopt steel pipe to set up, and according to the requirement of engineering floor height, selects one-sided support body height.With gib headed bolt and formwork with fastener-style template back arris and one-sided holder part are linked to be integral body.Three parts are all hung the scope of operation then by pre-assembly unit and are assembled, and can guarantee the reliability and the efficiency of construction of constructing.
The present invention adopts adjustable circle curve body of wall single surface formwork job practices, and as the opposite side template, cast circular arc walls concrete has successfully solved the difficult problem that outer wall of basement and adjacent architectural engineering do not have the construction operation face between the two with the arc outer wall of adjacent architectural.Simultaneously, when the body of wall concreting, this single side formwork mode has all obtained successfully solving to the lateral pressure and the buoyancy problem of form bracing system.
The present invention has also shortened the construction period greatly, has saved the labour, has reduced construction cost, also can satisfy the requirement of structure construction quality, is particularly useful for the wall construction of the large public building of car ramp, stadiums and other arc structure.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the enlarged drawing of built-in fitting.
Fig. 3 is the perspective view of circular arc wall form.
Fig. 4 is the structural representation of edge joint position between the circular arc wall form.
Reference numeral: 1-built-in fitting, 1.1-stone bolt, 1.2-attaching nut, 1.3-press beam, 1.4-outside connecting rod, 1.5-outer nut; 2-circular arc wall form, 2.1-panel, the perpendicular rib of 2.2-, 2.3-hyphen rib, 2.4-vertical edges rib, 2.5-radian adjuster; 3-unilateral component support, 3.1-montant, 3.2-bottom bar, 3.3-brace, the short brace of 3.4-, 3.5-bracing piece; 4-gib headed bolt, 5-formwork with fastener-style, 6-regulate the arc outer wall of base, 7-concrete floor, 8-circular arc walls concrete, 9-scaffold, 10-builder's jack, 11-earth anchor, 12-steel pipe diagonal brace, 13-adjacent architectural.
The specific embodiment
Embodiment is referring to shown in Figure 1, this unilateral formwork erecting system of cast-in-site concrete arc outer wall body, comprise built-in fitting, circular arc wall form and bracing frame, described built-in fitting 1 one-sided not concrete floor 7 inside of the circular arc body of wall of cast below that are embedded in advance as yet, circular arc wall form 2 are fixed in as yet not around the circular arc body of wall of cast by built-in fitting 1 and unilateral component support 3 again.
Referring to shown in Figure 2, described built-in fitting 1 is made of stone bolt 1.1, attaching nut 1.2, pressure beam 1.3, outside connecting rod 1.4 and outer nut 1.5, the stone bolt lower horizontal is embedded in concrete floor inside in advance, and its top becomes the bending obliquely of 45 degree and stretches out concrete floor; Linked to each other with outside connecting rod 1.4 by attaching nut 1.2 in stone bolt upper end, the outside connecting rod both sides are provided with the pressure beam 1.3 that fixing unilateral component support is used, and outside connecting rod 1.4 is equipped with outer nut 1.5 above pressure beam 1.3.
Referring to shown in Figure 3, described circular arc wall form 2 is the assembled structures that are made of panel 2.1, perpendicular rib 2.2, hyphen rib 2.3, vertical edges rib 2.4 and radian adjuster 2.5; Panel 2.1 back sides and perpendicular rib 2.2 are connected by tap bolt, hyphen rib 2.3 is connected between the adjacent perpendicular rib 2.2, the hyphen rib is spaced apart in the horizontal direction, be connected with radian adjuster 2.5 between the hyphen rib, vertical edges rib 2.4 is connected in the panel dual-side, is connected with the radian adjuster between vertical edges rib and the hyphen rib.
The panel 2.1 of described circular arc wall form 2 adopts wood plywood, and perpendicular rib 2.2 adopts a few word beams, and cross rib 2.3 adopts short double flute steel, and vertical edges rib 2.4 adopts angle steel.
Referring to shown in Figure 4, described circular arc wall form 2 is a splicing construction, vertically is distributed with slotted hole on the vertical edges rib 2.4, and the vertical edges rib of two circular arc wall forms is connected by bolt.
Referring to shown in Figure 1, described unilateral component support 3 is a triangular structure, the montant 3.1 of unilateral component support is fixed with the hyphen rib of template by gib headed bolt 4 and formwork with fastener-style 5, the place, right angle, bottom of unilateral component support 3 is connected with short brace 3.4, the outside connecting rod 1.4 of built-in fitting passes short brace, to press beam 3 and short brace 3.4 to compress by outer nut 1.5 again, the relief angle place of unilateral component support 3 is connected with and regulates base 6, regulates the base lower support on scaffold 9.
Between the montant 3.1 and brace 3.3 of described unilateral component support 3, all be connected with bracing piece 3.4 between bottom bar 3.2 and the brace 3.3, montant top is equipped with builder's jack 10.
Referring to shown in Figure 1, this cast-in-site concrete arc outer wall body single side formwork job practices, construction sequence is as follows:
The assembling method of circular arc wall form 2 is: hole → snap the line of beating dress vertical edges rib on snap the line → blanking on the panel → slab → panel is installed vertical edges rib → snap the line and is installed after perpendicular rib → installations adjuster and the good template of shackle → assembly unit by drawing, regulates template and meet the requirements of radian → template and hang liter and lean against on the piling bin.
The pre-assembly of unilateral component support 3 with mounting method is: brace → be connected with built-in fitting → regulate unilateral component support verticality → installation builder's jack is lacked in the unilateral component support lifting unilateral component support main body → installation bracing piece → installation that puts in place → installs.
Step 5, the scene is set up the required scaffold 9(scaffold of unilateral component support and is adopted ∮ 48 * 3.5 steel pipes to set up, this scaffold is reinforced by adding the steel pipe diagonal brace, is stablized by earth anchor pre-buried on floor (∮ 25)), the adjusting base 6 of unilateral component support is fixed with scaffold, after unilateral component support 3 is in place, regulate base 6, suitable for reading until circular arc wall form (2) to the 5mm that inclines within the walls.
Step 6, treat that circular arc wall form, unilateral component support all are in place after, each several part is adjusted, reinforces, is checked;
Step 8, treat that concrete strength reaches code requirement after, carry out mould bases and remove construction.During decentering, earlier loosening support rear support, the loosening embedded part part in back.Hang away one-sided support unilateral component support then, template continues to abut on the metope, temporarily with in the steel pipe support.
Claims (10)
1. unilateral formwork erecting system of cast-in-site concrete arc outer wall body, comprise built-in fitting, circular arc wall form and bracing frame, it is characterized in that: described built-in fitting (1) is one-sided to be embedded in as yet not concrete floor (7) inside of the circular arc body of wall of cast below in advance, and circular arc wall form (2) is fixed in around the circular arc body of wall of not pouring into a mould as yet by built-in fitting (1) and unilateral component support (3) again;
Described built-in fitting (1) is made of stone bolt (1.1), attaching nut (1.2), pressure beam (1.3), outside connecting rod (1.4) and outer nut (1.5), the stone bolt lower horizontal is embedded in concrete floor inside in advance, and its top becomes the bending obliquely of 45 degree and stretches out concrete floor; Linked to each other with outside connecting rod (1.4) by attaching nut (1.2) in stone bolt upper end, the outside connecting rod both sides are provided with the pressure beam (1.3) that fixing unilateral component support is used, and outside connecting rod (1.4) is equipped with outer nut (1.5) in the top of pressure beam (1.3);
Described circular arc wall form (2) is the assembled structure that is made of panel (2.1), perpendicular rib (2.2), hyphen rib (2.3), vertical edges rib (2.4) and radian adjuster (2.5); Panel (2.1) back side is connected by tap bolt with perpendicular rib (2.2), hyphen rib (2.3) is connected between the adjacent perpendicular rib (2.2), the hyphen rib is spaced apart in the horizontal direction, be connected with radian adjuster (2.5) between the hyphen rib, vertical edges rib (2.4) is connected in the panel dual-side, is connected with the radian adjuster between vertical edges rib and the hyphen rib;
Described unilateral component support (3) is a triangular structure, the montant of unilateral component support (3.1) is fixed with the hyphen rib of template by gib headed bolt (4) and formwork with fastener-style (5), the place, right angle, bottom of unilateral component support (3) is connected with short brace (3.4), the outside connecting rod of built-in fitting (1.4) passes short brace, to press beam (3) and short brace (3.4) to compress by outer nut (1.5) again, the relief angle place of unilateral component support (3) is connected with and regulates base (6), regulates the base lower support on scaffold (9).
2. unilateral formwork erecting system of cast-in-site concrete arc outer wall body according to claim 1 is characterized in that: described built-in fitting (1) distance each other is not more than 300mm, at the Origin And Destination place near one section circular arc body of wall a built-in fitting is set respectively.
3. unilateral formwork erecting system of cast-in-site concrete arc outer wall body according to claim 1, it is characterized in that: described circular arc wall form (2) is a splicing construction, the vertical edges rib vertically is distributed with slotted hole on (2.4), and the vertical edges rib of two circular arc wall forms is connected by bolt.
4. unilateral formwork erecting system of cast-in-site concrete arc outer wall body according to claim 3, it is characterized in that: the panel (2.1) of described circular arc wall form (2) adopts wood plywood, perpendicular rib (2.2) adopts a few word beams, cross rib (2.3) adopts short double flute steel, and vertical edges rib (2.4) adopts angle steel.
5. unilateral formwork erecting system of cast-in-site concrete arc outer wall body according to claim 1, it is characterized in that: between the montant (3.1) and brace (3.3) of described unilateral component support (3), all be connected with bracing piece (3.4) between bottom bar (3.2) and the brace (3.3), montant top is equipped with builder's jack (10).
6. unilateral formwork erecting system of cast-in-site concrete arc outer wall body according to claim 5 is characterized in that: described unilateral component support (3) distance each other is not more than 800mm.
7. any cast-in-site concrete arc outer wall body single side formwork job practices of claim 1-6 is characterized in that construction sequence is as follows:
Step 1 is provided with built-in fitting (1) on the concrete floor (7) below the circular arc body of wall of not pouring into a mould as yet;
Step 2 is pieced together circular arc wall form (2) in advance;
Step 3, on-the-spot pre-the assembly and installation unilateral component support (3), unilateral component support and built-in fitting is fastening, thus the bottom and the concrete floor of unilateral component support (3) are fixed,
Step 4 is connected unilateral component support (3) with circular arc wall form (2);
Step 5, scene are set up the required scaffold of unilateral component support (9), and scaffold is fixing by earth anchor (11) pre-buried on steel pipe diagonal brace (12) and the concrete floor, the adjusting base (6) of unilateral component support are fixed with scaffold again;
Step 6, treat that circular arc wall form, unilateral component support all are in place after, each several part is adjusted, reinforces, is checked;
Step 7 is built circular arc walls concrete (8) between the arc outer wall (13) of circular arc wall form and adjacent architectural;
Step 8, treat that concrete strength reaches code requirement after, carry out mould bases and remove construction.
8. unilateral formwork erecting system of cast-in-site concrete arc outer wall body according to claim 7 is characterized in that: the assembling method of circular arc wall form (2) is in the described step 2: hole → snap the line of beating dress vertical edges rib on snap the line → blanking on the panel → slab → panel is installed vertical edges rib → snap the line and is installed after perpendicular rib → installations adjuster and the good template of shackle → assembly unit by drawing, regulates template and meet the requirements of radian → template and hang liter and lean against on the piling bin.
9. unilateral formwork erecting system of cast-in-site concrete arc outer wall body according to claim 7 is characterized in that: the pre-assembly of unilateral component support (3) with mounting method is in the described step 3: brace → be connected with built-in fitting → regulate unilateral component support verticality → installation builder's jack is lacked in the unilateral component support lifting unilateral component support main body → installation bracing piece → installation that puts in place → installs.
10. unilateral formwork erecting system of cast-in-site concrete arc outer wall body according to claim 7, it is characterized in that: after the unilateral component support (3) of described step 5 is in place, regulate base (6), suitable for reading until circular arc wall form (2) to the 5mm that inclines within the walls.
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| CN 201010164456 CN101839061A (en) | 2010-05-06 | 2010-05-06 | Cast-in-place concrete arc outer wall single-side formwork system and construction method thereof |
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| CN 201010164456 CN101839061A (en) | 2010-05-06 | 2010-05-06 | Cast-in-place concrete arc outer wall single-side formwork system and construction method thereof |
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