CN110777842A

CN110777842A - Assembled ecological retaining structure

Info

Publication number: CN110777842A
Application number: CN201810756793.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Ding Zhaofeng
Current assignee: Ding Zhaofeng
Priority date: 2018-07-12
Filing date: 2018-07-12
Publication date: 2020-02-11

Abstract

The assembled ecological soil retaining structure has the advantages of being fast in construction, reliable in quality, low in carbon, environment-friendly, capable of greening wall tops and wall surfaces and the like. The retaining wall structure comprises a prefabricated reinforced concrete bottom plate, a plurality of prefabricated reinforced concrete plates are assembled on the bottom plate and comprise a rear baffle, a front baffle, an intermediate baffle, an end baffle, a top plate and a plurality of boxes with rectangular cross sections, the boxes are formed by splicing ecological bags arranged between the front baffles in a staggered manner, and soil filled in the boxes and the boxes bear the soil pressure of the back of the wall together. The ecological bag is buried in a soil arch filled with soil, planting soil or other materials for plant growth are filled in the ecological bag, the flower bed is arranged on the top plate, and greening effects of the wall top and the wall surface are achieved by sowing plant seeds or planting low shrubs in the ecological bag or the flower bed.

Description

Assembled ecological retaining structure

Technical Field

The invention relates to a side slope retaining protective structure, in particular to an assembled ecological retaining structure suitable for mountainous railways, road cutting sections or filling sections.

Background

Gravity type retaining wall is the comparatively common fender structural style in excavation district among the civil engineering at present, relies on self gravity to resist wall back of the body soil pressure, can divide into to pitch up inclined, vertical type and the formula of bowing to one side, and the wall body generally adopts plain concrete cast in situ to form.

Gravity type retaining wall often bears great soil pressure, especially soil property cutting district, and the wall body need adopt great structure size and structure dead weight to ensure that the anti stability of sliding or antidumping of retaining wall satisfies the design requirement usually, and the wall body cross-sectional strength performance does not reach 10% this moment, has obvious extravagant phenomenon.

Gravity type retaining wall all adopts cast-in-place construction, and it is comparatively complicated to have the process, and the time limit for a project is longer, receives external environment factor to disturb greatly (like rainy season, winter), and the engineering accident that collapses easily appears in the foundation ditch during the maintenance, shortcomings such as construction quality is difficult to control and detect.

Geotechnical construction and ecological environment coordinated development receive more and more attention, and gravity type retaining wall is great in volume, adopts the form of the little flower bed of wall crown platform to carry out the landscape design at present usually, and the plant selection type receives the restriction, and the view space is limited, and the effect is general.

In recent years, a box-type retaining wall technology capable of replacing a gravity type retaining wall is provided, a plurality of boxes filled with soil are assembled into a retaining structure from top to bottom and from left to right, the structure has the advantages that the section strength of a wall body is fully exerted, the defect is that the size of each box is large, the occupied area is large during processing and storage, the transportation and hoisting difficulty is large, through seams exist among the boxes, the stability is mainly kept by friction force, the structural integrity is poor, the wall surface is still a masonry surface, and the landscape effect is general.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an assembled ecological retaining structure which can replace the existing gravity retaining wall technology, is convenient for processing, storage, transportation, maintenance, detection, quality control and rapid construction, and has good integrity and certain economical efficiency; the landscape greening requirement is combined, a certain green plant growing space is reserved, and the greening effect of the wall top and the wall surface is realized.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an assembled ecological soil retaining structure, which comprises an ecological wall body and is characterized in that: the ecological wall comprises a reinforced concrete prefabricated bottom plate and a plurality of reinforced concrete prefabricated plates assembled on the bottom plate, and comprises a front retaining plate, a rear retaining plate, an end baffle plate, a middle baffle plate and a plurality of rectangular cross-section boxes spliced by ecological bags arranged between the front retaining plates in a staggered manner, and the boxes are free of through seams and good in integrity. The baffle is equipped with draw-in groove and the trip that can splice with the baffle junction, assembles the box and fills the soil body, and the roof is assembled on the roof, and the roof is equipped with the flower bed, plants the plant on ecological bag and in the roof flower bed.

The reinforced concrete prefabricated part serves as a main body stress structure to meet the requirement of wall strength, the box body consisting of the prefabricated part and the soil filled in the box body form the gravity wall to resist the pressure of the soil on the back of the wall, and the requirements of anti-sliding and anti-overturning stability are met; all the components of the structure are assembled, so that the maintenance, detection, quality control and rapid construction are facilitated; the wall body is made of filling soil, so that the wall body has better economy; the wall top is provided with the flower bed, and the wall surface is provided with the plant growth bag, so that the greening effect of the wall top and the wall surface can be realized; the side of the ecological bag close to the soil is buried in a soil filling arch, so that the root system of the plant can be ensured to be pricked into the soil filling, and the limitation of plant type selection can be removed; the soil filling body can provide favorable nutrition for plant growth, and meanwhile, underground water or surface water seeps into the soil filling body and can be supplied to the ecological bag for a long time, so that the plant growth is ensured to have enough moisture, and the maintenance workload is reduced.

Drawings

Fig. 1 is a front view of an assembled ecological soil retaining structure of the present invention.

Fig. 2 is a sectional view of an assembled ecological soil retaining structure of the present invention taken along lines i-i and ii-ii of fig. 1.

Fig. 3 is a sectional view of an assembled ecological soil retaining structure of the present invention taken along lines iii-iii and iv-iv of fig. 1.

Fig. 4 is a perspective view of a rear baffle in an assembled ecological soil retaining structure according to the present invention.

Fig. 5 is a perspective view and a sectional view taken along line a-a of a front shield in the fabricated ecological soil retaining structure according to the present invention.

Fig. 6 is a perspective view of a middle partition plate in an assembled ecological soil retaining structure according to the present invention.

Fig. 7 is a perspective view of an end partition in an assembled ecological soil retaining structure according to the present invention.

Fig. 8 is a perspective view of a bottom plate in an assembled ecological soil guard structure according to the present invention.

Fig. 9 is a perspective view of a top plate in the fabricated ecological soil retaining structure according to the present invention.

Fig. 10 is a perspective view of an ecological bag in an assembled ecological soil retaining structure according to the present invention.

Fig. 11 is a plan view of the assembled ecological soil retaining structure of the present invention, in which the bottom plate, the front shield, the rear shield and the middle partition are assembled.

The figure shows the parts, the part names and the corresponding marks: the ecological water-saving greenhouse comprises a rear baffle (10), a rear clamping tenon (11), a front baffle (20), a front clamping tenon (21), a small balcony (22), a balcony boss (22 a), a water drainage hole (23), a middle partition plate (30), a middle clamping groove (31), an end partition plate (40), an end clamping groove (41), a bottom plate (50), a rear boss (51), a front boss (52), a top plate (60), a top plate baffle (61), a top plate clamping tenon (61 a), a flower bed (62), an ecological bag (70), plants (80), filling soil (90), an inverted filter layer (100) and a soil arch (110).

Detailed Description

The invention is further explained below with reference to the figures and examples.

Fig. 1, fig. 2 and fig. 3 show an assembled ecological soil retaining structure, which comprises an ecological wall body and is characterized in that: the ecological wall comprises a prefabricated reinforced concrete bottom plate 50, a plurality of prefabricated reinforced concrete plates assembled on the bottom plate, a plurality of rectangular-section box bodies assembled by staggered joints of ecological bags 70 arranged between the front baffles 20, a rear baffle 10, a front baffle 20, a middle baffle 30 and an end baffle 40, soil filling 90 in the assembled box bodies, a top plate 60 assembled on the top of the box bodies, and plants 80 planted in flower beds 62 on the ecological bags 70 and the top plate 60.

Referring to fig. 4, the rear baffle 10 has a rectangular cross section, the thickness of the plate is about 15cm, the rear tenons 11 are arranged at two ends of the rear baffle, the tenons can be round, rectangular or other shapes, and when the tenons are rectangular, the connection positions of the rear baffles and the tenons form right angles.

Referring to fig. 5, the front baffle 20 has a rectangular cross section, the thickness of the plate is about 15cm, two ends of the front baffle are provided with front tenons 21, the tenons can be round, rectangular or other shapes, the tenons are rectangular and form a right angle with the joint of the baffle, the tenons are higher than the baffle by a certain distance, so that the ecological bag 70 can be conveniently installed, the top of the ecological bag is provided with a small balcony 22 for placing the ecological bag 70, the end of the small balcony is provided with a balcony boss 22a, the middle of the baffle is provided with a water drainage hole 23 along the horizontal direction, and a honeycomb-shaped inverted filter layer can be arranged behind the water drainage hole.

Referring to fig. 3, 6 and 11, the middle partition 30 has a rectangular cross section, is about 15cm thick, and has two middle locking grooves 31 at two ends, and the middle partition 30 is used at the non-two ends of the retaining wall and can be spliced with the front baffle and the rear baffle by the middle locking grooves 31 and the

rear locking tenons

11 and 21.

Referring to fig. 3 and 7, the end partition 40 has a rectangular cross section, the thickness of the plate is about 15cm, end slots 41 are formed at two ends of the end partition 40, the end partition 40 is used at two ends of the retaining wall, and the end partition, the front baffle 10 and the rear baffle 20 can be spliced together with the rear tenon 11 and the front tenon 21 through the end slots 41.

Referring to fig. 1, 2, 3, 8 and 11, the bottom plate 50 has a rectangular cross section, has a plate thickness of about 15cm, and has rear bosses 51 and front bosses 52 at two ends thereof, which can limit deformation of the ecological wall and position during assembly.

Referring to fig. 1, 2, 3 and 9, the top plate 60 has a rectangular cross section, the plate thickness is about 15cm, two ends of the top plate are provided with top plate baffles 61, two ends of the top plate baffles 61 are provided with top plate tenons 61a, the top plate baffles and the middle partition plate 30 or the end partition plate 40 can be spliced with the middle clamping groove 31 or the end clamping groove 41 through the top plate tenons 61a, and the middle of the top plate 60 is provided with a hexagonal, rectangular or other-shaped flower bed 62 for sowing plant seeds or planting low shrubs to achieve greening effect.

Referring to fig. 2 and 9, the ecological bag 70 is placed on the small balcony 22 of the front baffle 20, planting soil or other materials for plant growth are filled inside the ecological bag, a greening effect is achieved by planting plant seeds or planting low shrubs in the ecological bag, the ecological bag has a certain drainage function and a certain reverse filtration function, the cross section is rectangular or in other shapes suitable for the small balcony 22, and the tail part of the ecological bag is buried in a soil filling arch close to the soil side.

Referring to fig. 2 and 3, the back wall of the ecological wall body is provided with a reverse filtering layer 100, and planting soil can be adopted as filling soil 90 in the ecological wall body to provide beneficial nutrition and moisture for plant growth.

The concrete construction process is as follows: (1) various prefabricated components are manufactured in factories or on site; (2) excavating the foundation pit to the embedding depth of the foundation, arranging a cushion layer on the foundation to be used as a leveling layer, and then installing a bottom plate 50; (3) installing a rear baffle 10, a front baffle 20, a middle baffle 30 and an end baffle 40 to form a box body, applying a composite geotechnical material or a sand-gravel reverse filter layer 100, when the sand-gravel reverse filter layer is adopted, the thickness is 0.3m, backfilling soil in the box body to the plate top height of the installed front baffle 10, installing an ecological bag 70, and repeating the procedures until the design height is reached; (4) mounting a top plate 60, and continuously backfilling soil in the flower bed 62 of the top plate 61 to reach the height of the top wall; (5) backfilling a foundation pit at the back of the wall and in front of the wall; (6) the ecological bag 70 should be buried in the soil arch 110 of the filling soil 90 to a certain depth, and the ecological bag 70 and the plants 80 growing in the flower bed 62 can be realized by planting plant seeds in the bag or planting low shrubs in an inserted manner, so as to achieve the greening effect.

After the ecological bag is implemented, the reinforced concrete prefabricated parts serve as a main stressed structure to meet the requirement of wall strength, the box body consisting of the prefabricated parts and the soil filled in the box body jointly form a gravity wall to resist the soil pressure on the back of the wall, so that the requirement of the overall stability of the structure is met, meanwhile, the soil filled 90 in the box body is coordinated to form a soil arch 110 between the front baffles 20 through deformation, most of the soil pressure on the back of the wall acts on the baffles under the action of the soil arch effect, the ecological bag 70 only bears small soil pressure in an apportioned mode, and is balanced with the friction force between the ecological bag 70 and the small balcony 22, the side pressure generated by the self weight of the ecological bag 70 and the counter pressure of the balcony boss 22a, so that the overall stability.

The foregoing merely illustrates the principles of the assembled gravity retaining wall structure of the present invention and is not intended to limit the invention to the exact construction and operation shown and described, and accordingly all modifications and equivalents may be resorted to, falling within the scope of the invention.

Claims

1. The utility model provides an ecological retaining structure of assembled, includes ecological wall body, characterized by: ecological wall includes prefabricated reinforced concrete bottom plate (50), assembles on bottom plate (50) by a plurality of prefabricated reinforced concrete board, including rearmounted baffle (10), leading baffle (20), intermediate bottom (30), end baffle (40), roof (60) to and set up ecological bag (70) between leading baffle (20) along the box of a plurality of rectangular cross section of horizontal direction staggered joint makeup, still including filling soil (90) in the assembly box, and plant (80) of planting in ecological bag (70) and flower bed (62) of setting on roof (60).

2. An assembled ecological soil retaining structure as claimed in claim 1, wherein: the rear baffle 10 is rectangular in cross section, rear clamping tenons 11 are arranged at two ends of the rear baffle, the clamping tenons can be round, rectangular or in other shapes, and when the clamping tenons are rectangular, the clamping tenons form right angles with the connecting positions of the baffles; leading baffle (20) be the rectangular cross section, its top is equipped with little balcony (22) that can be used to place ecological bag (70), the tip of little balcony is equipped with balcony boss (22 a), the boss becomes right angle or obtuse angle with little balcony junction, its both ends set up leading trip 21, the trip can adopt circularly, rectangle or other shapes, the trip becomes the right angle with the baffle junction when being the rectangle, the trip exceeds the baffle by a certain distance, be convenient for install ecological bag 70, the baffle middle part sets up outlet (23) along the horizontal direction, can set up cellular inverted filter behind outlet (23).

3. An assembled ecological soil retaining structure according to claim 1, wherein: the middle partition plate (30) is of a rectangular cross section, two middle clamping grooves (31) are respectively formed in two ends of the middle partition plate, and the left side and the right side of the middle partition plate can be respectively spliced with the front clamping tenon (21) of the front baffle plate (20) and the rear clamping tenon (11) of the rear baffle plate (10); the end baffle (40) is rectangular in cross section, two ends of the end baffle are respectively provided with an end clamping groove (41) which can be spliced together with the front clamping tenon (21) of the front baffle (20) and the rear clamping tenon (11) of the rear baffle (10).

4. An assembled ecological soil retaining structure according to claim 1, wherein: the bottom plate (50) is of a rectangular cross section, and a rear boss (51) and a front boss (52) of the rectangular cross section, which play roles in limiting displacement and mounting and positioning, are arranged at two ends of the bottom plate; roof (60) be the rectangle cross-section, its both ends set up roof baffle 61, the both ends of roof baffle 61 set up roof trip 61a, the trip becomes right angle or acute angle with baffle junction, can put together through middle draw-in groove (3) 1 or end draw-in groove (41) with the baffle, the centre of roof (60) sets up flower bed (62) of hexagon, rectangle or other shapes for plant the seed or plant the low bush of planting and reach the afforestation effect.

5. An assembled ecological soil retaining structure according to claim 1, wherein: the ecological bag (70) is internally provided with planting soil or other materials for plant growth, the greening effect is achieved by planting plant seeds or inserting low shrubs in the ecological bag, the ecological bag has a certain drainage function and a certain reverse filtration function, the ecological bag (70) is positioned between the front baffles (20) and placed on a small balcony (22), the section of the ecological bag is rectangular or in other shapes suitable for the small balcony, and the end part of the ecological bag close to the soil side is embedded into a soil arch (110) of the filling soil (90) by a certain depth.

6. An assembled ecological soil retaining structure according to claim 1, wherein: and a reverse filtering layer (100) is arranged on the wall back of the ecological wall body.