Waterproof structure and construction method of anti-floating steel anchor cable in basement
A basement and anchor cable technology, which is applied in the direction of foundation structure engineering, sheet pile walls, protection devices, etc., can solve the hidden dangers of water seepage of anti-floating anchor cables in the basement
Inactive Publication Date: 2015-10-07
THE INST OF ARCHITECTURE DESIGN & RES SHENZHEN UNIV
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Problems solved by technology
[0004] It can be seen that the anti-floating anchor cables in the basement have serious water seepage hidden dangers in terms of waterproofing
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[0034] The present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.
[0035] The construction method of the anti-floating steel anchor cable waterproof structure of the basement is carried out according to the following steps:
[0036] a) Anchor the lower end of the anchor cable 2 into the rock formation, and insert the free section casing 3 into the soil 1 above the rock formation, and the upper end of the free section casing 3 protrudes upwards from the soil body 1, and the outer part of the free section casing 3 is disturbed. Remove the original soil 20 and backfill with C10 plain concrete;
[0037] b) inserting the lower end of the bellows 4 into the free section casing 3;
[0038] c) pouring a concrete cushion 5 to fix the lower part of the bellows 4;
[0039] d) Applied as the main waterproof layer 6, covered on the concrete cushion layer 5; applied as a waterproof reinforcement layer 7, covered on the main...
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The invention discloses a waterproof structure of a basement anti-floating steel anchor rope and a construction method. The method includes the steps: a) anchoring the lower end of the anchor rope into a rock stratum, removing disturbed original soil on the periphery of a free segment sleeve and backfilling the free segment sleeve with C10 plain concrete; b) inserting the lower end of a corrugated pipe into the free segment sleeve; c) pouring a concrete cushion layer to fix the corrugated pipe; d) constructing a main waterproof layer on the concrete cushion layer and constructing two polyurethane coating and polyester fabric compounded waterproof reinforcing layers on the main waterproof layer; e) laying polyester fabric isolation layers on the main waterproof layer and the waterproof reinforcing layers; f) pouring a concrete waterproof protection layer on the isolation layer; g) pouring a waterproof concrete bottom plate on the concrete waterproof protection layer; h) mounting an anchor rope steel base plate on the waterproof concrete bottom plate; i) pouring protection slope finding layers on the waterproof concrete bottom plate and the steel base plate and pouring a concrete surface layer locally doped with cementitious capillary crystalline waterproofing agents at the end of the rope. The waterproof performance of the basement anti-floating steel anchor rope can be ensured by process optimization.
Description
technical field [0001] The invention relates to the technical field of building waterproofing, in particular to a waterproof structure and a construction method of an anti-floating steel anchor cable in a basement. Background technique [0002] In recent years, a large number of underground buildings and structures such as high-rise buildings with basements, underground garages, and underground shopping malls have emerged. Due to the buoyancy of groundwater, the anti-floating problems of these buildings and structures are more prominent. For this reason, the problem of anti-floating has been paid more and more attention. Among them, anti-floating anchor technology is an effective anti-floating means. [0003] There are two types of anti-floating anchors in the basement: steel bars and steel cables. Both types of anchors have no waterproof nodes for reference, whether it is an atlas or design information. In particular, the anchor cable penetrates the entire bottom plate, ...
Claims
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IPC IPC(8): E02D5/74E02D31/12
Inventor 张道真
Owner THE INST OF ARCHITECTURE DESIGN & RES SHENZHEN UNIV