Rock foundation existing high-speed railway embankment force balance assisting widening structure and construction method
A technology of rock foundation and force balance, applied in roads, buildings, tracks, etc., can solve problems such as difficult control, embankment side width deformation, etc., and achieve fast and convenient construction, facilitate popularization and application, and have good deformation control effects
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Embodiment 1
[0039] Such as figure 1 As shown, a kind of rock foundation of the present invention has high-speed railway embankment force balance side width structure, including:
[0040] Several grouting anchors 1 are used to be arranged at intervals in the rock foundation 01 outside the slope toe of the existing embankment 02. The grouting anchors 1 are set at intervals and depths according to force balance safety reserve requirements. Specifically, the The depth of the grouting bolt 1 inserted into the rock foundation 01 is equal to or greater than 4m;
[0041] Reinforced concrete frame structure 2, used to be arranged on the rock foundation 01 outside the slope toe of existing embankment 02, all the said grouting anchors 1 are connected to the bottom of said frame structure 2, said frame structure 2 includes bottom plate 21, two A vertical wall 22 and a top plate 23, the base plate 21, two vertical walls 22 and the top plate 23 surround a square pipe gallery structure;
[0042] Reinf...
Embodiment 2
[0048] Such as figure 1 As shown, a kind of rock foundation of the present invention has the construction method of high-speed railway embankment force-balanced side width structure, is used for constructing the existing high-speed railway embankment force-balanced side-width structure of rock foundation as described in embodiment 1, and the method comprises The following steps:
[0049] A. Leveling the rock foundation 01 foundation of the new high-speed railway;
[0050] B. Construction of all the grouting bolts 1 on the basis of the rock foundation 01, the grouting bolt 1 is embedded in the rock foundation 01, and its top is exposed on the surface of the rock foundation 01, and the exposed grouting bolt 1 The length is equal to or greater than 30cm;
[0051] C. Construction of the bottom plate 21 and the vertical wall 22 on the basis of the rock foundation 01, the exposed section of the grouting anchor rod 1 is fixedly connected with the reinforcement of the bottom plate 2...
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