SU1203244A1 - Method of constructing an underground facility - Google Patents

Description

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1, 1203244

The invention relates to agricultural construction and can be used in the construction of elevated storage facilities for various purposes, as well as in hydraulic engineering and solar construction.

The aim of the invention is to improve the reliability of construction by preventing the collapse of exposed virgin walls.

FIG. 1 shows the underground equipment, constructed with the collection of walls by the proposed method; in fig. 2 is a section A-A in FIG. 1; and FIG. 3 is a section BB in FIG. 2,

The method is carried out as follows:

.- ,;) :: avi;:; TopoM installed inside structure 2, develop sector 3 in terms of a trench by forming trench inclined workings to the external border of structure 2. Depth and area of this section Assign from the condition of stability of slopes TpaiimeH depending on the characteristics ground. After the termination of excavation within section 3, its vertical wall 4 is fastened from the side of the structure 2, the fastening can be done by installing; - assembling prefabricated elements 5, as indicated in the drawings (a prayer variant of lining). The excavated soil is loaded into the lifting vessel. With the help of the lifting means 7, it is discharged to the surface and temporarily put in the dump 8,

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After attaching the torso wall 4 of the sector section 3, excavation is carried out within the adjacent section 9 or 10, leaving pillars 11 between the plots, the area of which is equal to the area of the sector plots 3, 9 and 10, and after the excavation, lining 5 is immediately installed on each section. Following excavation in all areas and the fastening of their surfaces 4, the transition to the development of pillars I1, which are developed alternately, while after the development of the soil within each pillar 1I, the fastening is performed, its surface 4 is 2. At the end of the excavation of the pillars 11, the excavator I is moved to the wall of the structure 2 and the excavation is carried out in its central part 12 until the bottom surface J3 is flattened, after which all operations are repeated until the bottom level mark 13 is reached.

For the sake of clarity, the order of excavation of sections and pillars is indicated on fours by Roman numerals 1 and P, respectively.

The advantages of the proposed method in comparison with the known one are as follows: the reliability of the work is increased by. ensuring the stability of the walls of the soil being developed; the volume of soil discharged to the surface is reduced by preventing the collapse of the exposed soil walls of the structure; improved safety and operating conditions.

4: 4

VNISH1. Order 8399/38 Circulation 481 Subscription

Branch ShSh Patek, Uzhgorod, Proektna St., 4

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Claims (2)

1. METHOD FOR CONSTRUCTION OF UNDERGROUND CONSTRUCTION, including the development of a pit for the size of the entry, extraction of the developed rock mass on the day surface, the subsequent fastening of the side surface (walls) of each entry and the construction of the bottom of the structure, characterized in that, in order to increase the reliability of construction by preventing collapse exposed rock walls, the area of the developed area is divided into sectors, and the development of the breed of sectors is done through one, leaving pillars between them, and each time approx develop through the inclined transhei'ot pit center to its walls, after which d osuschestvlya- dissolved fastening walls of the portion. 2. The method of pop. 1, characterized in that the development of pillars is carried out after fixing the walls of the developed sections of the pit, and then develop its central part.