EPS light embankment broadening and plant bag combined slope protection structure and construction method

Abstract

The invention relates to an EPS light embankment broadening and plant bag combined slope protection structure and a construction method. The EPS light embankment broadening and plant bag combined slope protection structure comprises a broadened embankment composed of EPS light blocks and a plant bag revetment composed of soil filling soil engineering bags. The EPS light blocks are connected through connecting rebars and connected with anchor rods of an original embankment, and a reinforced concrete slab is arranged every a plurality of layers of EPS light blocks. A wire netting sprayed concrete layer is arranged on the outer side of the broadened embankment, and pre-buried ribs are pre-arranged in the wire netting sprayed concrete layer. During soil filling soil engineering bag construction, the pre-buried ribs are inserted into the soil filling soil engineering bags, and the vertically adjacent soil filling soil engineering bags are connected through three-dimensional drainage connecting buckles. According to the EPS light embankment broadening and plant bag combined slope protection structure and the construction method, the construction site order and construction efficiency areimproved, and the additional stress and settlement deformation of a weak stratum are remarkably reduced; and foundation treatment expenses are reduced, and the EPS light embankment broadening and plant bag combined slope protection structure is an embankment broadening slope protection structure high in construction efficiency, good in embankment broadening effect and high in environmental suitability.

Description

technical field [0001] The invention belongs to the technical field of embankment widening, and in particular relates to an EPS lightweight embankment widening combined with a planting bag slope protection structure and a construction method, which is suitable for embankment widening construction on weak soil layers. Background technique [0002] To widen the embankment on the weak soil layer, the conventional method is to carry out surcharge preloading, vacuum, composite pile foundation, replacement and other treatments on the weak soil layer to improve the foundation bearing capacity of the weak soil layer and reduce the settlement. One method is to use lightweight embankments to reduce the load on weak foundations, thereby meeting the requirements for bearing capacity and settlement. EPS (polyethylene foam) lightweight embankments, as a typical representative of this method, have been widely used in practical engineering and have achieved relatively good results. Good tec...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the shortcomings of insufficient foundation bearing capacity, large uneven settlement and large slope load in the construction of EPS lightweight embankment widening technology, and proposes EPS light embankment widening combined with planting bag slope protection structure, and proposes EPS lightweight Construction method of embankment widening combined with planting bag slope protection structure

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