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A platform for research: civil engineering, architecture and urbanism
Roadbed structure applied to road widening and construction method
The invention relates to a road building structure and a construction method field. A roadbed structure applied to road widening comprises a new road layer, a filling material layer, a broken stone cushion layer, a concrete retaining wall and an original roadbed slope, wherein the original roadbed slope is finished as a step shape; the concrete retaining wall is arranged on the reciprocal nth step of the step-shaped roadbed slope; the surface of the reciprocal n-1th step of the step-shaped roadbed slope is an inclined surface; the broken stone cushion layer is laid on the surface of the bottom layer of the step-shaped roadbed slope; the filling material layer and the new road layer are arranged at the upper part of the broken stone cushion layer in sequence; and the filling material layer is prepared by cement, silicon fume powder, kieselguhr, expanded perlite, water, a water reducing agent, rubber powder, planet fibers, a foaming agent and a micro foam agent. The roadbed structure can be applied to the road widening, can perform the vertical filling to save the land and to reduce the demolition, can largely reduce the filling load to reduce the differential settlement of new and old roadbeds in soft-foundation road sections, and is short in construction period.
Roadbed structure applied to road widening and construction method
The invention relates to a road building structure and a construction method field. A roadbed structure applied to road widening comprises a new road layer, a filling material layer, a broken stone cushion layer, a concrete retaining wall and an original roadbed slope, wherein the original roadbed slope is finished as a step shape; the concrete retaining wall is arranged on the reciprocal nth step of the step-shaped roadbed slope; the surface of the reciprocal n-1th step of the step-shaped roadbed slope is an inclined surface; the broken stone cushion layer is laid on the surface of the bottom layer of the step-shaped roadbed slope; the filling material layer and the new road layer are arranged at the upper part of the broken stone cushion layer in sequence; and the filling material layer is prepared by cement, silicon fume powder, kieselguhr, expanded perlite, water, a water reducing agent, rubber powder, planet fibers, a foaming agent and a micro foam agent. The roadbed structure can be applied to the road widening, can perform the vertical filling to save the land and to reduce the demolition, can largely reduce the filling load to reduce the differential settlement of new and old roadbeds in soft-foundation road sections, and is short in construction period.
Roadbed structure applied to road widening and construction method
ZHANG JIANHUA (author) / LI WEN (author) / TANG LU (author) / LI SHANG (author) / YUE ZHICHENG (author) / HUA ZHENGUI (author) / LIU JIAN (author) / ZHANG LEI (author)
2015-11-04
Patent
Electronic Resource
English
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