CN205557543U - Bank protection retaining structure - Google Patents

Abstract

The utility model discloses a do bank protection retaining structure, characterized by bank protection post stretch into basement elevation following 2 2.5 rice, the bank protection post outside set up the bank protection board, and the bank protection board is dull and stereotyped, set up towards native face and keep off native board, keeping off native board and staying and establish the outlet, keep off and set up the girt strip between native board and the bank protection post, bank protection post, bank protection board, girt strip, fender soil plate -type become the cancelled structure, and the cancelled structure top sets up the roof beam that bears down on one, and 13 overall height positions on the bank protection upper portion set up the filler, right side soil body excavation sloping, and geotechnological cloth is laid on the slope surface, sets up native anchor slab above the geotechnological cloth, the vaulting pole right -hand member withstands native anchor slab, fixes at the bank protection board with the crab -bolt behind the vaulting pole left end prestress application. The utility model discloses the security performance is good, and engineering cost is low.

Description

A kind of bank protection retaining structure

Technical field

This utility model relates to a kind of retaining structure, particularly to a kind of bank protection retaining structure.

Background technology

Bank protection retaining structure is to prevent soil body landslide or a kind of structure of deformation instability, is that Geotechnical Engineering is important One of research topic.Gravity type retaining structure is the most ancient barrier wall structure, has and gathers materials on the spot, easy construction Etc. significant advantage, but it is increasing to be as construction scale of projects, Gravity Retaining Wall oneself do not adapt to engineering bar The part complex area needs to retaining structure, higher mainly due to Gravity Retaining Wall cost, and in construction During due to excavate more meeting cause foundation instability, how to save construction costs, ensure that engineering safety is engineering The problem that personnel face.

Utility model content

This utility model is to provide a kind of bank protection retaining structure, solves bank protection retaining structure dangerous high with cost Problem.

This utility model carries out unloading soil at 1/3 bank protection height, makes the right side by the bank protection soil body on the right side of prestressing force pushing tow The side bank protection soil body is in poised state, uses latticed members that soil-baffling structure is integrally formed, protects in latticed members Active earth pressure is efficiently transferred to deep soil by slope post.Bottom uses broken line towards the Slope protection plate at soil body position Form, makes this region soil body form soil arch in load-bearing moving process, and the top soil body uses strut pushing tow soil anchor slab The soil body is made to remain stable.

Bank protection post stretches into below substrate absolute altitude 2-2.5 rice, and bank protection post setting space is 4-6m, and bank protection column section is Square, square a length of 200-250mm, Slope protection plate is set outside bank protection post, Slope protection plate thickness is 60-80mm, Slope protection plate is flat board, arranges breast boards towards soil face, and breast boards is flap, and flap angle is 150-160 Degree, forms the triangle soil of different units, there will be certain change under triangle soil body thrust outside on the right side of flap Shape, forms the relieving arch of horizontal direction, and the horizontal thrust that in relieving arch, the soil body produces is born by broken line plate.Gear soil Plate stays and sets spilled water hole, and spilled water hole arrangement pitch is 1 every square, a diameter of 6-8mm of spilled water hole, breast boards And arranging girt strip between bank protection post, girt strip height is 150-250mm, most descend row's girt strip from substrate Altitude For 400-500mm, the vertical spacing of adjacent row girt strip is 600-800mm.Bank protection post, Slope protection plate, girt strip, Breast boards forms cancelled structure, and cancelled structure top arranges capping beam, and capping beam height is 400-600mm, Total height position, bank protection top 1/3 arranges filler, and filler width is 0.6-0.8m, soil excavation sloping, right side, Slope and horizontal angle are 70-80 degree, and ramped surfaces lays geotextiles, and geotextiles is arranged above with soil anchor slab, Soil anchor slab is shaped as triangle line, and soil anchor slab is the armoured concrete slab of thickness 12-18mm, and soil anchor slab is with three Root dowel, a diameter of 14-16mm of dowel, a length of 400-600mm of dowel, dowel stretches into the right side soil body. Strut right-hand member withstands soil anchor slab, is fixed on Slope protection plate by crab-bolt after strut left end Shi Hanzhang, and strut uses straight Footpath is the reinforcing bar of 28mm or 32mm, and adjacent struts distance is 0.7-0.9m.Filler uses sand rubble, and sand is broken Stone particle diameter is not more than 80mm, and sand rubble should be less than 15% by the grogs of 0.07mm sieve aperture, although or many In 15% but should be less than 10% by the grogs of 0.015mm sieve aperture.

This utility model security performance is good, and construction costs is low.

Accompanying drawing explanation

Fig. 1 is bank protection retaining structure elevational schematic view, and Fig. 2 is retaining structure floor map, and Fig. 3 is soil anchor Board plane schematic diagram, Fig. 4 is soil anchor slab elevational schematic view.

In each accompanying drawing: 1, bank protection post, 2, Slope protection plate, 3, girt strip, 4, breast boards, 5, strut, 6, anchor Bolt, 7, soil anchor slab, 8, geotextiles, 9, capping beam, 10, filler.

Detailed description of the invention

In embodiment, bank protection post 1 stretches into below substrate absolute altitude 2 meters, and bank protection post 1 setting space is 5m, bank protection Post 1 cross section is square, and square a length of 250mm arranges Slope protection plate 2, Slope protection plate outside bank protection post 1 2 thickness are 80mm, and Slope protection plate 2 is flat board, arrange breast boards 4 towards soil face, and breast boards 4 is flap, folding Plate angle is 160 degree.Breast boards 4 stays and sets spilled water hole, and spilled water hole arrangement pitch is 1 every square, spilled water hole A diameter of 7mm, arranges girt strip 3 between breast boards 4 and bank protection post 1, girt strip 3 height is 200mm, Lower row's girt strip 3 is 450mm from substrate Altitude, and the vertical spacing of adjacent row girt strip 3 is 700mm.Bank protection Post 1, Slope protection plate 2, girt strip 3, breast boards 4 form cancelled structure, and cancelled structure top is arranged bears down on one Beam 9, capping beam 9 height is 400mm, and the earthwork is hollowed out by total height position, bank protection top 1/3, and the earthwork hollows out Width is 0.7m, soil excavation sloping, right side, and slope and horizontal angle are 75 degree, and ramped surfaces spreads If geotextiles 8, geotextiles 8 is arranged above with soil anchor slab 7, and soil anchor slab 7 is shaped as triangle line, and soil anchor slab 7 is The armoured concrete slab of thickness 16mm, soil anchor slab 7 is with three dowels, a diameter of 14mm of dowel, dowel A length of 500mm, dowel stretches into the right side soil body.Strut 5 right-hand member withstands soil anchor slab 7, and strut 5 left end applies Being fixed on Slope protection plate 2 by crab-bolt 6 after prestressing force, strut 5 uses the reinforcing bar of a diameter of 28mm or 32mm, Adjacent struts 5 is apart from for 0.8m.The earthwork hollows out position and fills filler 10, and filler 10 uses sand rubble, and sand is broken Stone particle diameter is not more than 80mm, and sand rubble should be less than 15% by the grogs of 0.07mm sieve aperture.

Claims (8)

1. a bank protection retaining structure, is characterized in that bank protection post stretches into below substrate absolute altitude 2-2.5 rice, and bank protection post sets Putting spacing is 4-6m, and bank protection column section is square, and square a length of 200-250mm sets outside bank protection post Putting Slope protection plate, Slope protection plate thickness is 60-80mm, and Slope protection plate is flat board, arranges breast boards towards soil face；Breast boards stays If spilled water hole, arranging girt strip between breast boards and bank protection post, girt strip height is 150-250mm, descend most row's girt strip from Substrate Altitude is 400-500mm, and the vertical spacing of adjacent row girt strip is 600-800mm；Bank protection post, bank protection Plate, girt strip, breast boards form cancelled structure, and cancelled structure top arranges capping beam, and capping beam height is 400-600mm, total height position, bank protection top 1/3 arranges filler, soil excavation sloping, right side, ramped surfaces Laying geotextiles, geotextiles is arranged above with soil anchor slab；Strut right-hand member withstands soil anchor slab, strut left end Shi Hanzhang Being fixed on Slope protection plate by crab-bolt afterwards, adjacent struts distance is 0.7-0.9m.

Bank protection retaining structure the most according to claim 1, is characterized in that spilled water hole arrangement pitch is every square 1 Individual, a diameter of 6-8mm of spilled water hole.

Bank protection retaining structure the most according to claim 1, is characterized in that breast boards is flap, flap angle For 150-160 degree.

Bank protection retaining structure the most according to claim 1, is characterized in that filler width is 0.6-0.8m.

Bank protection retaining structure the most according to claim 1, is characterized in that slope with horizontal angle is 70-80 degree.

Bank protection retaining structure the most according to claim 1, is characterized in that soil anchor slab is shaped as triangle line, soil Anchor slab is the armoured concrete slab of thickness 12-18mm, and soil anchor slab is with three dowels, and dowel is a diameter of 14-16mm, a length of 400-600mm of dowel, dowel stretches into the right side soil body.

Bank protection retaining structure the most according to claim 1, it is characterized in that strut use a diameter of 28mm or The reinforcing bar of 32mm.

Bank protection retaining structure the most according to claim 1, is characterized in that filler uses sand rubble, sand rubble Particle diameter is not more than 80mm, and sand rubble should be less than 15% by the grogs of 0.07mm sieve aperture, although or more than 15% But should be less than 10% by the grogs of 0.015mm sieve aperture.