SU1240913A1 - Method of erecting a partition - Google Patents

Description

The invention relates to the mining industry and can be used to erect jumpers made of quick-hardening materials while isolating mining workings.

The aim of the invention is to reduce the labor intensity, increase the tightness and shorten the construction time of the lintel.

FIG. Figure 1 shows the cutting formwork of the device for carrying out the method; in fig. 2 shows a device for carrying out a method in a mine working, a general view; in fig; 3 shows section A-A in FIG. 2; in fig. 4 shows a section BB in FIG. 2; in fig. 5 - fastening measles.

The formwork includes the cutting of a fencing fabric web made of double fabric and containing elastic diaphragm 1 without upper bottom, interconnected with a drawstring 2 with a flexible reinforcing cable 3 stored in it, valves 4 and detachable slings 5.

One end (upper) of the reinforcing cable 3 is provided with a fastening hook 6 for fastening the support 7 to the lining. The second end of the cable 3 has a bark 8 including a peak 9, a bushing 10 and a locking screw 11. The device includes an injection pipe 12 with a securing cable 13 .

The method is as follows.

To perform work on isolating the emergency site, the formwork in the enclosed form is delivered to the selected site. An injection nozzle 2 is laid inside the roll. At the selected place, the device is uncovered and pulled with a device and pulled out by means of fixing hooks 6 on the work support. In this case, reinforcing cables 3 adjacent bags are located at a distance from one another equal to the diameter of the bag when it is filled, and the top of the bag is oriented on the roof of the excavation. Then the fabric web is unwound to the soil of the mine (cleared of shtaby by a groove), the cable is tensioned, and at the required length, the drawstring 2 is notched,

replicate the locking screw 11 on the cable 3 with the measles 8 and hammer it into the soil or dredging, with the free ends of the sacks 1 straightening the soil of the working. The side (extreme) bags are fastened to the soil and the sides of the mine, while the size of the device must ensure that the bag is diametrically open across the mine by no more than two-thirds, which ensures that the lintel is more dense.

0 on the board and lining production when it is filled with foam. Then each bag is fastened to the lining with a sling 5.

After completion of the installation of the formwork in the mine workings, the injection pipe 12 is inserted into the valve 4 of the central bag,

5 connect the installation for preparing and supplying foam (for example, a plant for producing phenolic foams UPFP-1 of the structure of VNIIGD) and perform sequential filling of bags with known techniques. The supplied liquid components (resin, hardener) of the foam react in a given ratio in multiplicity, react and fill elastic bags in bulk, and reliably release the foam column between the soil and the roof.

5 Foam hardening occurs in minutes. At this time, the injection port is relocated to adjacent labels. The last bags are the last to be filled, which ensures reliable detachment of the jumper body between the sides of the excavation, the carrying capacity of the jumper is increased, and tightness is achieved. For the production of a blast-resistant gypsum lintel, a variant of the device involves the manufacture of two shields from pylons with the filling of permeable elastic bags with foam plastic in one. In this case, during the injection of the intra-shield space with gypsum (foam-gypsum), the bags of the non-filled bags serve as a channel for accelerating the loss of gypsum, as well as for installing the bore pipes.

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Claims (3)

1. THE METHOD OF CONSTRUCTION OF THE JUMPER, including the construction of the formwork with its fastening to the support of the development, the formation of the body of the jumper by filling the formwork with quick-setting aggregate, characterized in that, in order to reduce the complexity, increase the tightness and reduce the time of erection of the jumper, the formwork is made of vertically mounted and reinforced at the junction between each other of elastic bags, and the body of the jumper is formed in the form of a cassette of pylons by successively filling elastic hardened filler bags from the center of the mine to its sides, while the side pylons perform with the possibility of fitting the lining of the mine. 2. The method according to π. 1, characterized in that the elastic bags are filled through one. 3. The method according to PP. 1 and 2, characterized in that the elastic bags are performed without the upper bottom. Figure 1