Anti-freezing buried type water-near revetment structure and construction method
An embedded and body-based technology, applied in infrastructure engineering, water conservancy projects, dams, etc., can solve serious economic losses, environmental pollution and other problems, and achieve the effect of prolonging service life and saving construction costs
Pending Publication Date: 2022-01-07
CHANGCHUN INST OF TECH
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Problems solved by technology
[0003] There are serious economic losses and environmental pollution problems in the conventional disposal method mentioned in the above-mentioned background technology. One of the purposes of the present invention is to provide a long-life, low-cost anti-freezing damage protection wall structure
Method used
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Embodiment Construction
[0020] refer to figure 1 The specific embodiment of the present invention is to pour reinforced concrete foundation beam 3 on plain concrete foundation cushion 2 in excavated foundation groove 1, pour reinforced concrete retaining wall body 4 on reinforced concrete foundation beam, retaining wall body 4 and A vertical expansion joint is set every 15m along the length of the foundation beam, with a width of 0.01m, embedded with SBS modified sealing material. Fill the gentle slope soil body 5 with layered compaction on the water facing surface in front of the retaining wall body, and fill the soil body 6 behind the wall with layered compaction at the same time; pave the prefabricated granite guard board 7 on the gentle slope soil body, leaving a 5mm gap between the guard boards , The gap is inlaid with SBS sealing material. A gap of 0.01m is reserved at the contact between the guard plate 7 and the parapet body 4 to prevent the thermal expansion and contraction of the guard pla...
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Abstract
The invention provides an anti-freezing buried type water-near revetment structure. The anti-freezing buried type water-near revetment structure comprises a foundation cushion layer, a foundation beam and a revetment body. A gentle slope soil body with the gradient being 20-45 degrees is arranged in front of the revetment body. The gentle slope soil body and a soil body behind a wall are the same in filler and thickness. The top end of the gentle slope soil body is flush with the upper surface of the soil body behind the wall. The revetment body is buried deeply, penetrates through a frozen soil layer and is embedded into an unfrozen soil layer. Opposite flat frost heaving force generated by the frozen soil layers with the same thickness in front of and behind the revetment body is counteracted to form a static balance stress system, the revetment body is balanced, upright and stable, horizontal frost heaving displacement is not generated, the situation that frost damage such as inclination, cracks and collapse of the revetment structure is caused by frost heaving horizontal displacement is avoided, the service life of the revetment structure is prolonged, the construction cost and later maintenance reinforcement or reconstruction funds are greatly saved, and the basic requirement for building a conservation-minded society is met.
Description
technical field [0001] The invention belongs to the technical field of antifreeze damage in engineering, and in particular relates to an antifreeze damage protection wall structure near water. Background technique [0002] At present, lakes, reservoirs and other water-facing cantilever high retaining wall structures in seasonally frozen areas in China are driven by the flat frost heave stress generated by the frost heave of the permafrost behind the wall, resulting in frost heave horizontal displacement and frost damage. The performance is that the excessive horizontal displacement of frost heave will cause inclination, cracks and even collapse of the high retaining wall structure near the water. Freezing damage affects the normal function of the retaining wall structure during its service period. This type of frost damage occurs frequently in permafrost regions in China. When frost damage occurs, the usual method is to demolish and rebuild. When rebuilding without drainag...
Claims
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Patent Timeline
Login to View More IPC IPC(8): E02B3/10E02B3/14E02B3/16E04H17/00E02D27/32E02D31/00
CPCE02B3/10E02B3/14E02B3/16E04H17/00E02D27/32E02D31/00
Inventor 孙洪伟张华闫兆杰曲祖光
Owner CHANGCHUN INST OF TECH