ROAD EMBANKMENT WITH RETAINING WALL, METHOD OF RETAINING WALL ERECTION AND REINFORCED CONCRETE BLOCK FOR RETAINING WALL ERECTION Russian patent published in 2006 - IPC E02D17/18 E02D29/02 E01D19/02 

FIELD: building, particularly to erect road embankments.

SUBSTANCE: road embankment comprises embankment ground, retaining wall and support structure. Embankment ground is divided with flat geonet webs into several layers. The retaining wall is also divided into layers similar to ground layers and covered with single geonet webs. Each retaining wall layer has vertical through slots filled with macroporous draining material. Flat geonet webs are inserted between hollow layers of retaining wall. Vertical cavities of adjacent retaining wall layers in height direction are superposed in plan view. Length L of ground layers reinforced with flat geonet webs beginning from inner retaining wall surface is determined from a given equation. Road embankment erection method involves forming retaining wall base; laying road embankment ground layers alternated with flat geonet webs; erecting retaining wall comprising several layers and constructing support structure. Base is initially created and then lower erection wall layer is erected on the base, wherein the retaining wall is provided with vertical cavities having heights corresponding to ground layer heights. The vertical cavities are filled with coarse material for 2/3 of volume thereof and then embankment ground layer is poured and compacted. Embankment ground is leveled and coarse material is added in the cavities. The coarse material is leveled and geonet web is placed onto the coarse material within the bounds of retaining wall and embankment ground layer. Next layers are formed in similar manner. Reinforced concrete block for retaining wall forming comprises device, which cooperates with ambient ground. The device comprises one or several vertical through cavities to be filled with granular coarse material. Depression in concrete is formed in lower block surface in front of erection loop.

EFFECT: reduced material consumption and erection time, increased service life, stability and operational reliability.

9 cl, 12 dwg