Construction method of dark modified soil anti-sliding retaining wall

A modification and sliding block technology is applied in the construction field of concealed modified soil anti-slip retaining wall, which can solve the problems of lack of construction technology and methods, and achieve the effect of reducing construction cost and soil material cost.

Active Publication Date: 2019-04-12
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

However, due to the lack of suitable construction techniques, the soil improvement technology cannot be directly used in the treatment of landslides in expansive soils in middle and deep layers. The treatment of such landsl

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  • Construction method of dark modified soil anti-sliding retaining wall
  • Construction method of dark modified soil anti-sliding retaining wall

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Embodiment Construction

[0013] The body of wall of a kind of concealed modified soil anti-sliding retaining wall proposed by the present invention is made up of modified soil; The solid weight blending ratio of described modified soil is respectively 10% cement, 3% water glass and 87% % of excavated landslide high liquid limit soil materials; the present invention divides a kind of concealed modified soil anti-sliding retaining wall into several construction sections 1-a according to the excavation construction procedure; a single construction section 1-b includes the main opening The excavation area 7 and the auxiliary excavation area 6 are two parts; the main excavation area 7 includes the main excavation upper layer area 1 located in the upper layer h1 and the main excavation lower layer area 5 located in the lower layer h2, distributed in the modified soil anti-sliding retaining soil Wall design range 1-c; auxiliary excavation area 6 includes auxiliary excavation upper layer area 2 located at the ...

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Abstract

The invention discloses a construction method of a dark modified soil anti-sliding retaining wall. A sectional excavation method (L1) is combined with partitioned and layered (h1, h2) excavation method, a main excavation method (7) is combined with an auxiliary excavation (6) method, and a construction method combining on-site mixing and compaction rapid construction with timely temporary supportis used for constructing. Compared with similar methods, the construction method has the advantages such as high construction speed, stable tank walls, easy control over construction quality and low engineering cost, and is especially suitable for deep landslide treatment in high liquid limit residual soil above a argillaceous sandstone and carbonaceous shale residual soil road cut slope soil-rockinterface.

Description

technical field [0001] The invention relates to a concealed modified soil anti-slide retaining wall, in particular to a construction method for a concealed modified soil anti-slide retaining wall. Background technique [0002] In recent years, scientific and technological workers in highway and water conservancy engineering have begun to study the application of soil quality improvement technology to the treatment of expansive soil embankment slopes, and have achieved good engineering benefits and technical achievements. However, due to the lack of suitable construction techniques, the soil improvement technology cannot be directly used for the treatment of landslides in middle-deep expansive soil soil slopes. The treatment of such landslides at home and abroad still mainly uses anchor cables and anti-slides with poor economical efficiency. Therefore, engineering practice urgently needs to find a treatment method that is technically reliable and economical. [0003] Landsli...

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Application Information

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IPC IPC(8): E02D29/02
CPCE02D29/02E02D29/0275
Inventor 刘龙武
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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