Flood wall structure for safe area of flood storage and detention area

Abstract

The utility model provides an anti-flood wall structure of a safe area of a flood storage and detention area, which is characterized in that a foundation is excavated firstly, then a concrete cushion layer is laid at the bottom, an anti-flood wall bottom plate is poured on the cushion layer, an upstream side retaining wall is poured on the upstream side of the bottom plate surface, a downstream side retaining wall is poured on the downstream side of the bottom plate surface, and engineering excavation soil materials are backfilled between the two retaining walls. And a sidewalk road is built on the top surface of the backfill earthwork, and water seepage holes and drainage holes are formed in the retaining wall on the backwater side of the anti-flood wall. And a crenel is built at the top of the retaining wall, and stones are hung outside the retaining wall, so that the attractiveness of the anti-flood wall is improved. According to the structure, the problems of limited occupied area and construction of a safety causeway of a flood storage and detention area can be reasonably solved, meanwhile, the top of the anti-flood wall has a traffic function, the problems of patrolling and transporting flood prevention and emergency rescue materials are solved, the anti-flood wall is fused with the surrounding environment, a unique cultural atmosphere is formed, and the surrounding visual environment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of water conservancy flood storage and detention area, especially a flood control wall structure of safe area of flood storage and detention area. BACKGROUND

[0002] The main function of the flood storage and detention area is to undertake the task of storing and detaining flood water, and it is an essential flood storage project for protecting the flood safety of important cities in the basin, and the flood storage and detention area can minimize the loss of flood disasters and plays an irreplaceable role in protecting the safety of people's lives and property and the sustainable development of economy and society in the region.

[0003] In order to protect the towns and villages in the flood storage and detention area, a safe dike needs to be built to enclose important towns and villages to form a safe area. The safe area dike is generally made of soil embankment, which is convenient for connecting with the embankment and traffic road intersection position by setting up up and down embankment ramps, and setting up a flood control road on the top of the embankment to meet the traffic demand of patrol and flood fighting and rescue. For the influence of surrounding buildings, under the condition of limited land occupation for demolition, the type of the dike is often set as a flood control wall type with small land occupation to meet the demand of blocking flood water. The flood control wall usually adopts a reinforced concrete gravity type retaining wall structure, and the top of the retaining wall has no traffic function. It cannot meet the demand of patrolling the dike and transporting and temporarily storing flood fighting and rescue materials on the top of the dike during flood period. At the same time, the concrete retaining wall built around the village is not coordinated with the surrounding environment, and the visual effect is poor.

[0004] Therefore, how to reasonably solve the problem of limited land occupation for building the safe dike of the flood storage and detention area, meet the demand of patrol on the top of the flood control wall and transportation of flood fighting and rescue materials, ensure the safe and reliable operation of the safe area dike during flood period, and improve the overall visual environment of the flood control wall are urgent problems to be solved. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to provide a flood control wall structure of safe area of flood storage and detention area, solve the problem that the top has no traffic function after the type of the dike is selected as a gravity type retaining wall structure under the limitation of land occupation for demolition, ensure that the dike can be normally patrolled on the top during use to ensure the safety of the safe area, and integrate the flood control wall with the surrounding environment to form a unique cultural atmosphere and provide a good aesthetic effect.

[0006] In order to solve the above technical problem, the technical scheme adopted by the utility model is:

[0007] The application discloses a safety area flood control wall structure of a flood detention area, which comprises a concrete cushion layer laid on a bottom, a flood control wall bottom plate poured on the concrete cushion layer, a water-facing side retaining wall poured on an upstream side of the flood control wall bottom plate, a backwater side retaining wall poured on a downstream side of the flood control wall bottom plate, excavated earth materials in an internal backfill engineering between the water-facing side retaining wall and the backwater side retaining wall, a pedestrian road built on a top surface of the excavated earth materials, and a requirement of dike inspection, transportation and temporary storage of flood fighting and rescue materials met.

[0008] Preferably, the concrete cushion layer has a thickness of 0.1 m to 0.2 m.

[0009] Preferably, the flood control wall bottom plate adopts a reinforced concrete structure and has a thickness of 1.0 m and a width of 5.0 m.

[0010] Preferably, the water-facing side retaining wall adopts a reinforced concrete structure, has a top width of 0.5 m and a height of 4.5 m, and has vertical lead-in slopes on the water-facing side and the backwater side.

[0011] Preferably, the backwater side retaining wall adopts a reinforced concrete structure and has the same size as the water-facing side retaining wall and is symmetrically arranged.

[0012] Preferably, the excavated earth materials adopt excavated plain soil backfill, and the backfill compactness is not less than 0.93.

[0013] Preferably, the pedestrian road has a width of 2.0 m and is paved with antique pattern bricks with a paving thickness of 0.25 m.

[0014] Preferably, the water seepage hole adopts a 63 mm diameter PVC-U pipe pre-embedded with a vertical interval of 1.0 m and a horizontal interval of 3.0 m, and a reverse filtration facility is arranged at an inlet.

[0015] Preferably, the drain hole has a hole diameter of 150 mm and a horizontal interval of 30 m.

[0016] Preferably, the parapet adopts shale brick masonry, and the parapet has a width of 0.8 m and a height of 0.8 m.

[0017] The safety area flood control wall structure of the flood detention area has the advantages that the water-facing side retaining wall and the backwater side retaining wall are symmetrically arranged and have the same size, the water-facing side retaining wall and the backwater side retaining wall are externally hung with stone materials, the pedestrian road is paved with antique pattern bricks, the water seepage hole and the drain hole are arranged on the backwater side retaining wall, the parapet is arranged on the top of the water-facing side retaining wall and the backwater side retaining wall, and the safety area flood control wall structure has high safety and high aesthetics.

[0018] The utility model discloses a reasonable solution occupies the problem of limited land, constructs the safety dike of flood storage and detention area, and the top of flood control wall has traffic function, can satisfy the demand of flood season inspection and transportation flood control emergency material, and the flood control wall can be integrated with the surrounding environment, forms the unique historical and cultural atmosphere, improves the surrounding visual environment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the cross section view of the flood control wall of the safety area of the flood storage and detention area.

[0020] Fig. 2 It is the longitudinal section view of the flood control wall of the safety area of the flood storage and detention area.

[0021] In the drawings, 1-concrete cushion layer, 2-flood control wall bottom plate, 3-water side retaining wall, 4-backwater side retaining wall, 5-engineering excavation earthwork, 6-pedestrian road, 7-seepage hole, 8-drainage hole, 9-pile mouth. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0023] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" etc. is the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] As Figs. 1-2As shown, the utility model discloses a flood storage area safety zone flood prevention wall structure, concrete cushion 1 is laid at the bottom, then pours flood prevention wall bottom plate 2, pours water side retaining wall 3 on the upstream side of flood prevention wall bottom plate 2, pours backwater side retaining wall 4 on the downstream side, engineering excavation soil material 5 backfill is used between the two retaining walls, and footpath 6 is built on the backfill top surface, meets the requirements of embankment inspection and transportation and temporary storage of flood control emergency materials. In order to drain the water inside the flood prevention wall soil body, the backwater side retaining wall 4 of the flood prevention wall is provided with a water seepage hole 7. In order to drain the rainwater on the top of the retaining wall 6 in time, the backwater side retaining wall 4 of the flood prevention wall is provided with a drainage hole 8. The top of the water side retaining wall 3 and the backwater side retaining wall 4 is built with a parapet 9, and the water side retaining wall 3 and the backwater side retaining wall 4 are externally hung with stone materials.

[0025] The concrete cushion 1, in the preferred embodiment, the thickness t1 is 0.1m~0.2m.

[0026] The flood prevention wall bottom plate 2 adopts a reinforced concrete structure, and in actual application, the cross-sectional size can be determined according to the height of the flood water to be blocked, and in the preferred embodiment, the thickness t2 is 1.0m, and the width B is 5.0m.

[0027] The water side retaining wall 3 adopts a reinforced concrete structure, and in actual application, the cross-sectional size can be determined according to the height of the flood water to be blocked, and in the preferred embodiment, the top width b1 is 0.5m, the height H is 4.5m, the water side slope is vertical, the backwater side upper part height h1 is 1.2m, the slope ratio of the rest of the slope is 1:n, and n is 0.15.

[0028] The backwater side retaining wall 4 adopts a reinforced concrete structure, and in the preferred embodiment, the size is the same as that of the water side retaining wall 3 and is symmetrically arranged.

[0029] The soil material 5, in the preferred embodiment, adopts engineering excavation soil backfill, and the backfill compactness is not less than 0.93.

[0030] The footpath 6, in actual application, can be determined according to the width of the bottom plate 2, and in the preferred embodiment, the width b2 is 2.0m, and the antique pattern brick is laid with a laying thickness t3 of 0.25m.

[0031] The water seepage hole 7, in the preferred embodiment, adopts a PVC-U pipe with a diameter d1 of 63mm, and the vertical spacing s1 is 1.0m, the horizontal spacing s2 is 3.0m, and the inlet is provided with a filter facility.

[0032] The drainage hole 8, in the preferred embodiment, has a hole diameter d2 of 150mm, and the horizontal spacing s3 is 30m.

[0033] The parapet 9 is built with shale bricks in the preferred embodiment, the parapet has a width b3 of 0.8 m and a height h2 of 0.8 m.

[0034] In the embodiment, the backfilling engineering excavates the soil 5 between the water-facing side retaining wall 3 and the backwater side retaining wall 4, and builds the pedestrian road 6, so as to meet the requirements of inspection and transportation of the embankment and temporary storage of flood fighting materials. The flood control wall has a small area, and can be implemented in an area with limited land occupation. The stone is externally hung outside the retaining wall, the aesthetic property of the flood control wall is increased, the flood control wall can be integrated with the surrounding environment, and a unique historical and cultural atmosphere is formed.

[0035] The embodiment will be described in detail as follows:

[0036] Firstly, the flood control wall bottom plate 2 is poured, the water-facing side retaining wall 3 and the backwater side retaining wall 4 are poured on the flood control wall bottom plate 2, the engineering excavated soil 5 is backfilled between the two retaining walls, the pedestrian road 6 is built on the engineering excavated soil 5, the parapet 9 is built on the top of the water-facing side retaining wall 3 and the backwater side retaining wall 4, finally, the stone is externally hung outside the water-facing side retaining wall 3 and the backwater side retaining wall 4, and the construction of the flood control wall structure is completed.

[0037] The above-described embodiment is only used for describing the technical idea and characteristics of the utility model, and the purpose is to enable the person skilled in the art to understand the content of the utility model and implement it, and is not used to limit the range of the utility model, equivalent changes and modifications made without departing from the concept and principles of the utility model still fall within the scope of the utility model patent.

Claims

1. A floodwall structure for a safety zone of a flood detention basin, characterized by, The application relates to a flood control wall, which comprises a concrete cushion (1) laid on the bottom, a flood control wall bottom plate (2) poured on the concrete cushion (1), a water-facing side retaining wall (3) poured on the upstream side of the flood control wall bottom plate (2), a backwater side retaining wall (4) poured on the downstream side of the flood control wall bottom plate (2), engineering excavation soil (5) filled between the water-facing side retaining wall (3) and the backwater side retaining wall (4), a pedestrian road (6) built on the top of the engineering excavation soil (5), water seepage holes (7) arranged on the backwater side retaining wall (4), drainage holes (8) arranged on the backwater side retaining wall (4), a parapet (9) built on the top of the water-facing side retaining wall (3) and the backwater side retaining wall (4), and stone materials hung outside the water-facing side retaining wall (3) and the backwater side retaining wall (4).

2. The safety zone floodwall structure for a flood retention basin according to claim 1, wherein The flood control wall bottom plate (2) is made of reinforced concrete.

3. The safety zone floodwall structure of a flood detention basin according to claim 1, wherein, The water-facing side retaining wall (3) is made of reinforced concrete.

4. The safety zone floodwall structure for a flood retention basin according to claim 1, wherein The backwater side retaining wall (4) is made of reinforced concrete and has the same size as the water-facing side retaining wall (3) and is symmetrically arranged.

5. The safety zone floodwall structure for a flood retention basin according to claim 1, wherein The engineering excavation soil (5) is made of engineering excavation plain soil backfill, and the backfill compactness is not less than 0.

93.

6. The safety zone floodwall structure for a flood retention basin according to claim 1, wherein The pedestrian road (6) is laid with antique pattern bricks.

7. The safety zone floodwall structure of a retention basin according to claim 1, wherein The water seepage holes (7) are pre-buried with PVC-U pipes, and the inlet is provided with a filter facility.

8. The safety zone floodwall structure of a retention basin according to claim 1, wherein, The drainage holes (8) have a hole diameter of 150 mm and a horizontal interval of 30 m.

9. The safety zone floodwall structure for a flood retention basin of claim 1, wherein, The parapet (9) is built with shale bricks.

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