Method of widening embankment foundation at embankment-penetrating building
A technology for building and embankment foundations, applied in buildings, embankments, roads, etc., can solve problems such as rare research and reports on widening embankment foundation treatment, lack of technical guidance, and affecting the feasibility of the scheme
Inactive Publication Date: 2020-10-20
CHANGJIANG SURVEY PLANNING DESIGN & RES
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Problems solved by technology
The backfilling materials and rolling methods used in the joint section of the embankment will have a great impact on the existing embankment crossing buildings, and even some areas will affect the feasibility of the scheme. Therefore, for similar road sections, a new type of widening embankment is urgently needed base processing technology
[0003] At present, due to the connection between disciplines such as water conservancy, transportation, and construction, research and reports on widening embankment treatment in this area are rare, and relevant technical guidance is also lacking in relevant specifications
Method used
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[0020] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings, but they do not constitute a limitation to the present invention, and are only examples. At the same time, the advantages of the present invention are clearer and easier to understand through the description.
[0021] See attached figure 1 It can be seen that: the present invention widens the embankment foundation method at the embankment building place, is characterized in that comprising the following steps:
[0022] Step 1, base treatment: After treating the undisturbed foundation, set up a 0.5m thick cohesive soil cushion, the cohesive soil is mixed with 12% cement by weight, leveled, rolled and compacted, and the base compaction degree is not less than 90% ;
[0023] Step 2: Excavating steps on the backwater side slope of the current embankment, the steps are inclined inwardly by 2% to 4%; the height of the steps is consistent with the fill...
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The invention relates to a method for widening the embankment foundation at an embankment-penetrating building. The method comprises the following steps that base treatment is conducted, specifically,step digging treatment is conducted on a side slope of a downstream side of an existing embankment, and impermeable geomembranes are fully laid along dug steps; steel wire meshes are added to the second layer and the penultimate layer of foam light soil, the steel wire meshes are formed by welding steel wires, cohesive soil covered edges are arranged on the outer side of the foam light soil, thetop of the foam light soil is in lap joint through a concrete plate, and a three-way geogrid is fully laid below the pavement layer; and a pavement structure layer is paved on the concrete slab. The method is a novel widened foundation treatment technology suitable for existing embankment buildings, the influence of the widened foundation on the existing embankment buildings can be effectively reduced, the engineering requirements of specific road sections are met, a feasible implementation scheme is provided, and support is provided for the consistent width of the whole foundation.
Description
technical field [0001] The invention relates to the field of road and embankment engineering, and more specifically relates to a method for widening embankment foundations at buildings crossing embankments; it is a treatment technology for forming roadbeds by using foam light soil to widen embankments and combining them. Background technique [0002] With the development of the country and the improvement of people's living standards, people's demand for water is getting higher and higher. The cities of Binjiang, Linhe, and Linhu are all comprehensively developing and utilizing the shoreline, and building beaches, dikes, roads, and banks into a The idea of building as a whole is being gradually promoted. In many projects, in order to improve the overall effect and realize the unified coordination of multiple functions, it is usually necessary to widen and heighten the existing embankment. However, due to various functional requirements, there are some embankment-crossing ...
Claims
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IPC IPC(8): E01C3/00E02B3/10
CPCE01C3/00E02B3/10
Inventor 尹文锋邓越胜彭圣华陆望明汪鹏福蔡鹏牛圣宽尹祖超刘新利梁晓龙
Owner CHANGJIANG SURVEY PLANNING DESIGN & RES