CN212656182U - Ecological revetment with laminated beam assembly light-weight stepped structure - Google Patents

Abstract

Ecological shore protection of stoplog matched stack lightweight stair structure, including bottom banket (1), cobblestone protects end (2), concrete banket (3), assembled ladder shore protection unit (4), concrete coping (5), assembled ladder shore protection unit (4) are including steel sheet support grudging post (41) and steel construction stoplog (42), steel sheet support grudging post (41) are ladder slope shape, the top surface edge is the horizontal segment promptly and erects the crisscross ladder of relapseing of section and rise the form, erect between two steel sheet support grudging posts (41) of installation at adjacent parallel, erect installation steel construction stoplog (42) along corresponding section inboard of erectting, form a plurality of ladder arrangement rectangular channel. Adopt steel construction assembly unit, fill out soil inslot cooperation multistage plant system of growing in order to consolidate the soil body through bolted connection fixed formation stair structure, restore the water environment, prevent soil erosion and water loss, strengthen the clean and tidy and pleasing to the eye of shore protection simultaneously, fuse water, soil, shore protection, vegetation, it is convenient to construct, strong adaptability, and the material is light, and area is little, and the mill makes, greatly saves manual work and cost of transportation, and the specification is various, and plasticity is big.

Description

Ecological revetment with laminated beam assembly light-weight stepped structure

Technical Field

The utility model relates to a water conservancy ecological bank protection facility structure improves technical field, concretely relates to stoplog matched stack lightweight stair structure ecological bank protection.

Background

At present, the hard revetment structure that river bank water conservancy project usually adopted, in order to reduce the erosion of rainwater and river water to the bank area, the river protection form mainly divide into barricade structure and shop front structure, adopt modes such as thick liquid building stones or concrete placement more, however, this type of revetment is unfavorable for aquatic organisms's growth and the performance of water self-purification function, the result of this type of construction often can lead to isolated waters and land area ecosystem to contact, make river lake ecosystem suffer isolation, cause the material between water and the land, energy and information transfer interrupt, be unfavorable for the recovery of ecosystem function, lack green landscape effect, and the cost is higher, obviously, this is unfavorable for river ecosystem to the normal performance of water self-purification ability and the self-repairing of natural ecosystem. Meanwhile, the construction process is complex and long in period by adopting a cast-in-place mode, a large amount of templates, reinforcing steel bars and the like are needed in a construction site, the occupied site is large, a large amount of labor force is needed, and the construction efficiency is difficult to promote.

Improved techniques using the fabricated structure are receiving attention.

The related published patent documents are found to be less. For example:

chinese patent application CN201120310497.9 discloses a cascaded ecological bank protection device, including setting up in the fence bank protection structure of bank slope outside and earth's surface top, fence bank protection structure includes two piece at least bank protection piles and obturator, is provided with the obturator between two adjacent bank protection piles, the obturator both sides are provided with anticorrosive wire net, anticorrosive wire net both ends and bank protection pile fixed connection. The fence bank protection structure composed of the bank protection cosmetics and the filling body has good water permeability, ensures the direct material and energy information transfer between land and water, maintains the function of an ecosystem, and can also effectively protect a bank slope from being directly washed by the water to cause water and soil loss.

Chinese patent application CN201821705112.7 discloses a wave-dissipating stepped ecological bank protection structure for inland river bank protection engineering, comprising: the device comprises a drainage ditch, land, a plant isolation protective guard, a gabion retaining wall, a pedestrian path and a stepped ecological bank protection structure, wherein the drainage ditch is arranged on the rear side of the land, the plant isolation protective guard is arranged above the front side of the land, the gabion retaining wall is arranged on the front side of the plant isolation protective guard, the pedestrian path is connected with the gabion retaining wall, and the stepped ecological bank protection structure is connected with the front side of the pedestrian path. Wherein, cascaded ecological revetment structure includes: wave dissipation structure, ecological basin, reinforced concrete anchor beam, back row nose girder, first step platform, second step platform and backfill soil. The sheet pile wall and the upper breast wall in front, the rear pile foundation and the upper guide beam form double protection, so that the damage of the ship travelling wave to the rear ecological water tank can be effectively resisted, a stable ecological environment is provided for the rear ecological water tank, and the ecological property of the revetment is enhanced.

In a word, the existing assembled ecological bank protection technology is less in disclosure, and the economic and social development requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stoplog matched stack lightweight stair structure ecological revetment overcomes above defect, solves above technical problem.

In order to realize the technical purpose, the utility model adopts the following technical proposal: the method comprises the following steps of filling soil at the bottom, protecting the bottom by cobblestones, protecting the feet by concrete, assembling type step bank protection units and pressing the top by concrete; assembled ladder shore protection unit includes steel sheet support grudging post and steel construction stoplog, and the steel sheet support grudging post is ladder slope shape, and the top surface edge is the horizontal segment promptly and erects the crisscross ladder ascending form that relapses of section, erects between two steel sheet support grudging posts of installation adjacent parallel, erects the section inboard along corresponding and erects the installation steel construction stoplog, forms a plurality of ladder arrangement rectangular channels.

In particular, bolt holes are vertically arranged on the inner side of the vertical section of the upper side edge of the steel plate supporting vertical frame, and the bottom of the same row of bolt holes is welded and fixed with a stoplog bottom support.

Particularly, the steel plate supporting vertical frames and the steel structure stoplogs are installed in a staggered mode and separated to form step soil filling grooves and inter-platform soil filling grooves, the length of the step soil filling grooves is the same as that of the inter-platform soil filling grooves, the width of the steel plate supporting vertical frames is more than twice that of the step soil filling grooves, and the inter-platform soil filling grooves are located in the middle of the upper side of the assembled step revetment unit.

Particularly, the edges of two ends of the steel plate supporting vertical frame are respectively vertically fixed with a connecting plate.

Particularly, the edges of two ends of the steel structure stoplog are bent by 90 degrees and are provided with bolt holes.

Particularly, the bottom end and the top end of the assembled stepped revetment unit are respectively provided with a concrete toe guard and a concrete coping, a low-position bolt sleeve and a high-position bolt sleeve are respectively embedded and installed in the concrete toe guard and the concrete coping, and the bottom end and the top end of the assembled stepped revetment unit are respectively connected with the concrete toe guard and the concrete coping through the low-position bolt sleeve and the high-position bolt sleeve.

Particularly, the edge of the bottom side of the steel plate supporting stand is in a slope shape.

The utility model discloses an advantage and effect:

(1) the step-type steel structure is skillfully adopted, the revetment structure is reasonably split, the stepped structure soil filling groove is matched with a multi-stage plant breeding system to reinforce the soil body, the water environment is repaired, the water and soil loss is prevented, the tidiness and the attractiveness of the revetment are enhanced simultaneously, and the water, the soil, the revetment and the vegetation are connected into a whole to form a complete river ecosystem.

(2) Adopt steel construction assembly unit, utilize bolted connection fixed formation stair structure, the convenience of reinforcing construction.

(3) The steel structure has strong adaptability to different bank protection conditions, the material is light, and the occupied area is small, so that more space can be provided for plant growth.

(4) The factory processing and manufacturing greatly saves labor and transportation cost, and has various specifications and large plasticity.

Drawings

Fig. 1 is the utility model discloses a three-dimensional mounting structure sketch is surveyed to axle.

Fig. 2 is a schematic view of an assembled stepped revetment unit assembly according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a steel plate supporting stand according to an embodiment of the present invention.

Fig. 4 is the utility model discloses an embodiment is the stoplog collet structural sketch map on the steel sheet supports grudging post.

Fig. 5 is the utility model discloses in the embodiment steel construction stoplog sketch map.

The reference numerals include:

1-bottom filling, 2-cobblestone bottom protection, 3-concrete foot protection, 4-assembled step bank protection unit, 5-concrete top pressing, 6-low bolt sleeve, 7-high bolt sleeve, 41-steel plate support vertical frame, 42-steel structure laminated beam, 43-step filling groove, 44-middle platform filling groove, 45-laminated beam bottom support and 46-connecting plate.

Detailed Description

The utility model discloses the principle lies in, according to river ecosystem characteristic, the assembled steel construction revetment unit of innovative design, each unit of reasonable split, convenient cascaded multislot ecological revetment structure of formation, through the mode of planting that fills up soil at the inslot, fuses water, soil, revetment, vegetation, constitutes a complete river ecosystem, and the steel construction has the advantage that area is little simultaneously, can provide more spaces and supply vegetation.

The utility model discloses a: including a fabricated step revetment unit 4.

The following is further illustrated by examples and figures.

Example (b): as shown in the attached figures 1, 2, 3 and 4, paving a cobblestone protecting bottom 2 on the upper side of bottom filling soil 1 paved at the bottom of a river bed to reach the designed river bottom elevation, pouring concrete protecting feet 3 on one side of the bottom filling soil 1 and the cobblestone protecting bottom 2 close to a river bank, pouring a concrete coping 5 on the top of the river bank, and respectively embedding a low-position bolt sleeve 6 and a high-position bolt sleeve 7 on the opposite surfaces of the concrete protecting feet 3 and the concrete coping 5; assembling an assembled step revetment unit 4 between the concrete toe guard 3 and the concrete coping 5; wherein, a group of steel plate support vertical frames 41 which are arranged in parallel along the downslope of the river bank are divided into a plurality of areas, and each area is divided into rectangular grooves by a horizontally arranged steel structure superposed beam 42. Namely, a plurality of groups of steel structure stoplogs 42 which are arranged in parallel along the horizontal direction of the river bank divide the step type assembled revetment unit 4 into a plurality of different areas of step soil filling grooves 43 and inter-platform soil filling grooves 44. After the earth is filled in the stepped earth filling grooves 43 and the intermediate earth filling grooves 44, terrestrial plants and emergent aquatic plants can be planted on the surfaces of the earth filling grooves, so that the effects of reinforcing the soil body and preventing water and soil loss are achieved, meanwhile, the tidiness and the attractiveness of the revetment are enhanced, and water, soil, the revetment and vegetation are connected into a whole to form a complete river ecosystem.

In the above, the top elevation of the cobble bottom protection 2 is the elevation of the designed river bottom, and the thickness is determined according to the impact-resistant flow rate.

In the foregoing, the concrete toe guard 3 is made of reinforced concrete and is disposed at the joint toe of the cobblestone sole 2 and the side slope.

In the foregoing, the low-level bolt sleeve 6 is embedded inside the concrete foot protector 3, so that the steel plate supporting vertical frame 41 can be fixed conveniently.

In the foregoing, the assembled step revetment unit 4 skillfully adopts a step-type structural design, enhancing the convenience of the construction process.

The fabricated step revetment unit 4 comprises steel plate support stands 41, steel structure stacking beams 42, step soil-filling troughs 43, and terrace soil-filling troughs 44.

In the foregoing, the steel plate supporting vertical frame 41 is in a stepped inclined shape, that is, the edge of the top surface is in a horizontal section and a vertical section which are staggered and repeatedly raised in a stepped manner, bolt holes are vertically arranged on the inner side of the vertical section of the edge of the upper side of the steel plate supporting vertical frame 41, and the bottom of the same row of bolt holes is welded and fixed with the laminated beam bottom support 45, so that when the assembled stepped revetment unit 4 is installed, the steel-structured laminated beam 42 is supported and fixed from the edge of the bottom; the center-to-center spacing of adjacent steel plate support stands 41 may be arranged according to field conditions.

In the above description, the connecting plates 46 are vertically fixed to the edges of the two ends of the steel plate support stand 41 by bolts, and bolt holes are formed in the surfaces of the connecting plates 46.

The thickness of the steel structure laminated beam 42 is determined by the force applied between the steel plate support stands 41, and is usually about 10 mm.

In the foregoing, the two ends of the steel structure laminated beam 42 are bent at 90 degrees, and bolt holes corresponding to the steel plate support vertical frames 41 are formed.

In the foregoing, the center-to-center distance between two adjacent steel structure laminated beams 42 is determined according to the horizontal distance of the slope-making step, and the steel structure laminated beams are mounted on the steel plate support stand 41 through bolts.

In the above, the land plants and emergent aquatic plants can be planted on the surface of the stepped soil filling groove 43 after soil filling and compaction.

In the foregoing, the width of the middle filling groove 44 is twice that of the first filling groove 43, and plants can be planted or a footpath can be made according to actual conditions after the step filling groove 43 and the middle filling groove 44 are filled with compacted soil.

In the foregoing, turf, shrub and arbor are selected according to the position of the slope protection for the plant slope protection above the normal water level.

In the foregoing, the concrete coping 5 is arranged at the top of the assembled step revetment unit 4, the top elevation is the levee roof elevation, reinforced concrete is adopted, and the high-level bolt sleeve 7 is embedded in the edge of the concrete coping 5.

In the foregoing, the degree of compaction of the fill is determined by the specification according to the grade of the bank.

The embodiment of the utility model provides an during operation is used, concrete construction steps as follows:

construction preparation: before construction, the side slope and the top of the dike are cleared, and the riverbed is desilted.

Laying the river bottom: after the river bottom filling 1 is constructed to a certain height, cobblestone is laid to protect the bottom 2 to a designed river bottom elevation.

And (4) line snapping and lofting: and (5) marking out an installation line by using a theodolite.

The concrete guard 3 is installed.

The concrete coping 5 is installed.

Step-type assembled shore protection unit hoisting: and (3) sequentially positioning the steel plate supporting vertical frames 41 according to the sampling line by using a truck crane, and connecting and fixing the steel plate supporting vertical frames with the concrete foot guards 3 and the concrete coping 5 by using bolts.

Positioning a steel structure laminated beam: and the steel structure laminated beams 43 are vertically embedded into the laminated beam bottom supports 45 on the steel plate supporting vertical frames 41 in sequence, and the steel structure laminated beams 43 and the steel plate supporting vertical frames 41 are connected and fixed through bolts.

After the whole revetment is installed, filling soil in the rectangular grooves of the stepped soil filling grooves 43 and the intermediate soil filling grooves 44 is compacted to meet the standard requirement, land plants and emergent aquatic plants can be planted in the stepped soil filling grooves 43 according to the actual situation on site, and plants can be planted in the intermediate soil filling grooves 44 or footpaths can be made according to the actual situation.

Claims (7)

1. The ecological revetment with the light-weight stepped structure assembled by the superposed beams comprises bottom filling (1), cobblestone bottom protectors (2), concrete foot protectors (3), an assembled stepped revetment unit (4) and a concrete coping (5); the assembled ladder revetment unit (4) comprises steel plate supporting vertical frames (41) and steel structure laminated beams (42), wherein the steel plate supporting vertical frames (41) are in a ladder inclined shape, namely the top surface edge is a horizontal section and an erected section staggered and repeated ladder ascending shape, the steel structure laminated beams (42) are erected along the corresponding erected section inner side between two adjacent parallel erected steel plate supporting vertical frames (41), and a plurality of ladder arrangement rectangular grooves are formed.

2. The ecological revetment with a lightweight and stepped structure assembled by stacked beams as claimed in claim 1, wherein bolt holes are vertically arranged inside the vertical section of the upper side edge of the steel plate supporting vertical frame (41), and the bottom of the stacked beam bottom support (45) is welded and fixed at the bottom of the same row of bolt holes.

3. The ecological revetment with a lightweight stacked beam assembly and a stepped structure as defined in claim 1, wherein the steel plate supporting vertical frames (41) and the steel structure stacked beams (42) are installed in a staggered manner to form stepped soil-filling grooves (43) and interstation soil-filling grooves (44), wherein the lengths of the stepped soil-filling grooves (43) and the interstation soil-filling grooves (44) are the same, the width of the steel plate supporting vertical frames (41) is more than twice that of the stepped soil-filling grooves (43), and the interstation soil-filling grooves (44) are located in the middle of the upper side of the assembled stepped revetment unit (4).

4. The ecological revetment with a lightweight stacked beam assembly and a stepped structure according to claim 1, wherein the steel plate supporting stands (41) have fixing connection plates (46) respectively erected at the edges of both ends.

5. The ecological revetment with a lightweight stacked beam assembly and a stepped structure as defined in claim 1, wherein the edges of the two ends of the steel structure stacked beam (42) are bent at 90 ° and provided with bolt holes.

6. The ecological revetment with a stack beam assembly and a light-weight stepped structure as claimed in claim 1, wherein the concrete revetment (3) and the concrete coping (5) are respectively arranged at the bottom end and the top end of the assembled stepped revetment unit (4), the lower bolt sleeve (6) and the upper bolt sleeve (7) are respectively embedded and installed in the concrete revetment (3) and the concrete coping (5), and the concrete revetment (3) and the concrete coping (5) are respectively connected at the bottom end and the top end of the assembled stepped revetment unit (4) through the lower bolt sleeve (6) and the upper bolt sleeve (7).

7. The ecological revetment with a lightweight stacked beam assembly and a stepped structure as defined in claim 1, wherein the bottom side edge of the steel plate supporting upright (41) is sloped.

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