Background technology
In the geotechnical engineering field, the mortar flag stone gravity retaining wall is because after long-time the use, it some breakages, cracking or inclination can occur, like this, in order to safeguard retaining wall, need to reinforce existing retaining wall.
At present, usually have following several to the measure of retaining wall reinforcement:
1), remove to rebuild, namely remove existing retaining wall fully and again build new soil-baffling structure; 2), be close to metope in the existing retaining wall outside and again build new soil-baffling structure; 3), adopt stake and anchor cable to reinforce; 4), adopt anchor pole (perhaps anchor cable) and lattice girder that retaining wall is reinforced.
But in the residential quarter of surrounding enviroment complexity, wall top, foundation exist multistory building and wall top building to be pile foundation usually, and foundation construction space, land used scope are restricted etc. in the situation, and all there is certain limitation in above-mentioned Retaining Wall Reinforcement method.
Need certain sloping space of putting if remove existing retaining wall fully, and can affect the safety of wall top building during construction; Need to take a large amount of lands used if again build soil-baffling structure in the existing retaining wall outside, and foundation construction space, land used space are very limited usually; If adopt anchor pole (rope) lattice girder, piled anchor to reinforce, can damage the pile foundation of Nearby Structure during the construction anchor cable.
The utility model content
The utility model is for deficiency of the prior art, existing retaining wall fin-plate type off-load ruggedized construction is provided, this ruggedized construction can be utilized a gear effect of original retaining wall, strengthen the integrality of body of wall, increase the stability against overturning of retaining wall, and do not need retaining wall is removed reconstruction fully, thereby can not cause breakage to retaining wall and retaining wall neighboring buildings.
The utility model is to realize like this, existing retaining wall fin-plate type off-load ruggedized construction comprises the pier foundation that places the retaining wall lower end, is attached at Guan Liang on the pier foundation, is attached at described retaining wall external surface and lower end and presses on concrete slab on the described Guan Liang, be attached at described concrete slab external surface and lower end and press on the perpendicular rib on the described Guan Liang and be arranged at described retaining wall and remove the position and extend inwardly to the relieving slab of described retaining walls dorsal part in banketing.
Further, described retaining wall lower end is provided with the described pier foundation of a plurality of alternate layouts, and described Guan Liang is along the vertical elongated a plurality of described pier foundations top that is arranged in of described retaining wall.
Further, described perpendicular rib is obliquely installed towards described retaining wall inboard.
Further, described retaining wall reinforcement structure comprises a plurality of described relieving slabs, and a plurality of described relieving slabs vertically are horizontal arrangement along described retaining wall.
Further, described retaining wall reinforcement structure also comprises the spilled water hole that is arranged in described concrete slab and the described retaining wall.
Further, the direction of extending along described retaining wall dorsal part to metope, described spilled water hole is downward-sloping shape setting.
Compared with prior art, this ruggedized construction is constructed at original retaining wall structure, it can take full advantage of a gear effect of original retaining wall, thereby strengthen the body of wall integrality, increase the stability against overturning of this retaining wall integral body, and do not need retaining wall is removed reconstruction fully, thereby can not damage retaining wall and retaining wall surrounding buildings.In addition, concrete slab, perpendicular rib and firm the linking into an integrated entity with retaining wall of relieving slab can be reinforced retaining wall.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model provides existing retaining wall fin-plate type off-load ruggedized construction, comprises the pier foundation that places the retaining wall lower end, is attached at Guan Liang on the pier foundation, is attached at described retaining wall external surface and lower end and presses on concrete slab on the described Guan Liang, be attached at described concrete slab external surface and lower end and press on the perpendicular rib on the described Guan Liang and be arranged at described retaining wall and remove the position and extend inwardly to the relieving slab of described retaining walls dorsal part in banketing.
In the utility model, this ruggedized construction can be utilized a gear effect of original retaining wall, strengthen the body of wall integrality, increase the stability against overturning of retaining wall, and do not need retaining wall is removed reconstruction fully, thereby can not cause breakage to retaining wall and retaining wall neighboring buildings, in addition, concrete slab, perpendicular rib and relieving slab can be reinforced retaining wall effectively.
Below in conjunction with concrete accompanying drawing realization of the present utility model is described in detail.
Shown in Fig. 1 ~ 2, a preferred embodiment that provides for the utility model.
The existing retaining wall fin-plate type off-load ruggedized construction 1 that the present embodiment provides comprises a plurality of pier foundations 14 according to certain pitch arrangement that are arranged at retaining wall 22 lower ends, be attached at the hat beams 13 along retaining wall 22 vertical layouts at pier foundation 14 tops, be attached at described retaining wall 22 external surfaces and lower end and press on concrete slab 11 on the described hat beam 13, being attached at described concrete slab 11 external surfaces and lower end presses on the perpendicular rib 12 on the described hat beam 13 and is arranged at that described retaining wall 22 is removed positions and to extending within the walls the relieving slab 15 of the described retaining wall 22 walls back of the body in banketing.Hat beam 13 tops flush with ground, and it extends along retaining wall 22 longitudinal directions arranges.
Utilize above-mentioned ruggedized construction 1, can take full advantage of a gear effect of original retaining wall 22, and by the external surface at concrete slab 11 perpendicular rib 12 is set, thereby increase the arm of force of this ruggedized construction 1 anchorage, thereby can increase the stability against overturning of this ruggedized construction 1 integral body, in conjunction with concrete slab 11, the effect of perpendicular rib 12 and relieving slab 15, can reinforce retaining wall 22, and can be to the damage that causes of retaining wall 22, can not endanger the safety of retaining wall 22 building on every side yet, do not need retaining wall 22 is carried out complete dismantling operation yet, thereby do not need to take a large amount of construction spaces and land used, in addition, in the practice of construction process, only need to remove the mortar flag stone 21 in top H/3 (H the is existing retaining wall height) scope of retaining wall 22, thereby can not affect the globality of retaining wall 22.
In order to increase the overturning or slip resistance analysis moment of perpendicular 12 pairs of retaining walls 22 of rib, thereby so that retaining wall 22 stabilized structures, perpendicular rib 12 is skewed, and tilts towards retaining wall 22 is inboard.
In order to make stable connection between concrete slab 11 and the retaining wall 22, this ruggedized construction 1 has comprised above-mentioned relieving slab 15, this relieving slab 15 vertically is horizontal arrangement along retaining wall 22, and removes positions along described retaining wall 22 and extend to the described retaining wall 22 dorsal parts interior certain distance that bankets in the retaining wall 22.
For the ease of the water in the retaining wall 22 rear Rock And Soils is excreted outside retaining wall 22 and the ruggedized construction 1, also be provided with spilled water hole 16 in this ruggedized construction 1, this spilled water hole 16 runs through concrete slab 11 and retaining wall 22, extend to the wall dorsal part of retaining wall 22, thereby the water in the retaining wall 2 wall dorsal parts can excrete outside the retaining wall 22 by this spilled water hole 16.
Certainly, for the ease of the drainage of underground water, the direction of extending along retaining wall 22 dorsal parts to metope, spilled water hole 16 is downward-sloping direction and arranges.
In the practice of construction process, the construction sequence of above-mentioned ruggedized construction 1 is as follows:
1), removes the mortar flag stone 21 that need to be reinforced in retaining wall 22 top H/3 (H the is existing retaining wall height) scope;
2), at the bottom of retaining wall 22 construction pier foundation 14, hat beam 13 so that should arrange along the longitudinal direction of retaining wall 22 by hat beam 13, and hat beam 13 end faces flush with ground;
3), at retaining wall 22 external surfaces construction concrete slab 11, so that the lower end of this concrete slab 11 is pressed on the hat beam 13;
4), at the perpendicular rib 12 of the external surface of concrete slab 11 construction, so that lower end that should perpendicular rib 12 was pressed on the hat beam 13;
5), construction relieving slab 15 so that this relieving slab 15 is seated in retaining wall 22 end faces after the dismounting;
6), the construction spilled water hole 16 so that this spilled water hole 16 runs through respectively concrete slab 11 and retaining wall 22;
7), the mortar flag stone 21 in the upper end of relieving slab 15 is built the H/3 altitude range that is disassembled again by laying bricks or stones.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.