CN213086704U - Ecological composite function river channel for improving flood control capacity of cities and towns - Google Patents

Abstract

The utility model discloses an improve ecological complex function river course of town flood control ability, including the river course, its characterized in that: the outside of river course is equipped with rather than the unanimous compound box culvert of length direction, the top of compound box culvert is not less than the flood level of river course and is equal high with city ground, the top of compound box culvert is equipped with the lane, compound box culvert comprises culvert body and driving culvert, one side top that the culvert body is close to the river course has been seted up outer hole of permeating water, river course and driving culvert are through outer hole of permeating water intercommunication. The utility model discloses possess can the regulation rainwater, delay the runoff, reduce the flood peak, stop the waterlogging and alleviate the improvement town flood control ability that the vehicle blocked up simultaneously characteristics.

Description

Ecological composite function river channel for improving flood control capacity of cities and towns

Technical Field

The utility model relates to a flood control facility specifically is an improve ecological complex function river course of town flood control ability.

Background

Along with the increasing urbanization level and the increasing urban population, the rising of the land demand leads to the fact that the space of the river is being invaded by silkworms, and the canalization of the river channel becomes more and more serious. In order to ensure the safety of urban flood control, flood control dams are increasingly high in construction, the spatial relation between cities and towns and river channels is seriously split, and a series of destructive attacks are brought to urban water ecological environments. The method comprises the following specific steps:

firstly, the river channel affects various functions and effects of the whole town, such as society, economy, life and the like, such as functions of flood control, flood drainage, rest, navigation, ecological benefits, city image and the like, along with more and more endowed functions, available land resources are also increasingly reduced, after the river channel changes along with the urbanization form, the storage space of the original river channel is seriously occupied, the most basic functions of flood control and flood drainage are reduced, and the canalization of the river channel is caused to be increasingly serious.

Secondly, facing to the eroded river channel, the high-built flood control dam is forced to be adopted to consolidate the flood control capacity to form a hardened trapezoidal channel, so that a user is separated from the water surface, the hydrophily of the user is weakened, the transmission and exchange of materials, energy and information among ecological systems are cut off, the living habitat of aquatic animals and plants is destroyed, the ecological function of the river is greatly weakened, and the ecological diversity is seriously influenced.

Thirdly, because the land around the urban river channel is tense, the river channel is canalized, and the space of the waterfront is reduced to make the riverbed shallow and narrow, the construction of the waterfront culture leisure space field is lacked, so that people participate in the deficiency, the relation between people and water is not properly treated, and the tense relation between people and water is aggravated.

Fourthly, in the face of the conditions of 'high precipitation and large runoff' in extreme weather, the flood control and drainage carrying capacity of the occupied river is weakened. The rainfall and runoff which are beyond expectation exceed the design standards of flood control and drainage of river channels and exceed the self-processing load capacity of the river channels, flood is caused, and urban inland inundation disasters are caused.

Fifthly, many city main roads are close to riverways, in order to build riverway and town landscapes along the way, the urbanization level is improved, the popularity of private cars is higher and higher, the number of cars is increased continuously, the speed of road expansion and the requirement of land generate serious contradiction, the bearing capacity of the road can not keep up with the increasing number of traffic flow, and the town roads are crowded.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of above-mentioned background art existence, provide one kind can the regulation rainwater, delay the runoff, reduce the flood peak, stop the waterlogging and alleviate the ecological complex function river course of the improvement town flood control ability that the vehicle blocked up simultaneously.

In order to realize above purpose, the utility model provides a pair of improve ecological complex function river course of town flood control ability, including the river course, its characterized in that: the outside of river course is equipped with rather than the unanimous compound box culvert of length direction, the top of compound box culvert is not less than the flood level of river course and is equal high with city ground, the top of compound box culvert is equipped with the lane, compound box culvert comprises culvert body and driving culvert, one side top that the culvert body is close to the river course has been seted up outer hole of permeating water, river course and driving culvert are through outer hole of permeating water intercommunication.

As the utility model discloses an optimal selection scheme, be equipped with a plurality of driving in the compound box culvert along its width direction and culvert, the adjacent driving is contained between and is contained and all offered interior hole of permeating water on one's body, interior hole of permeating water and outer hole height of permeating water.

Furthermore, an anti-seepage support is arranged outside one side, far away from the river, of the composite box culvert.

Furthermore, the bottom of the composite box culvert is provided with a middle column pile.

Furthermore, the bottom of the river channel is provided with a runner, and block stones are paved in the runner.

Furthermore, hydrophilic walkways are arranged on two sides of the launder and connected with the urban ground through steps.

Furthermore, the top of the culvert body of the composite box culvert extends to the river channel to form a viewing platform.

The utility model discloses a set up the structure of compound box culvert in the river course outside, utilize the lateral wall of the culvert body vertical type of compound box culvert as the barricade in river course, release slope ratio has formed the sluicing groove of rectangle when flood season, extreme rainfall, has improved the fender of water and has let out the function, has increased the seepage footpath. The hole of permeating water outward simultaneously, interior hole of permeating water and driving culvert cooperate, make the driving culvert become interim water storage space during the torrential rain, absorb the extreme water yield that river course system self can't be accepted to at extreme weather in-process regulation rainwater, reduce the runoff peak value, slow down flood risk, stop urban waterlogging. In addition, under normal conditions, the driving culvert can also be used as an auxiliary traffic channel of the vehicle, the turning is realized, the traffic capacity of the vehicle is enhanced, and the congestion is relieved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a perspective view of the present invention.

In the figure: river course 1, compound box culvert 2, culvert body 2.1, driving culvert 2.2, outer hole 2.3 that permeates water, interior hole 2.4 that permeates water, city 3, impervious support 4, center pillar pile 5, chute 6, hydrophilic pavement 7, sightseeing platform 8, ladder 9, normal water level 10, flood level 11.

Detailed Description

The present invention will be further explained with reference to the drawings and the embodiments.

Example (b): the ecological composite function river channel capable of improving the flood control capability of the cities and towns comprises a river channel, wherein a runner is arranged at the bottom of the river channel, pebbles are paved in the runner, hydrophilic walkways are arranged on two sides of the runner, and the hydrophilic walkways are connected with the urban ground through steps.

The outside of river course is equipped with rather than the unanimous compound box culvert of length direction, the top of compound box culvert is not less than the flood level of river course and is equal high with city ground, the top of compound box culvert is equipped with the lane, compound box culvert comprises the culvert body and the driving culvert, the culvert body top of compound box culvert extends to the river course and forms the sight platform. The river course and the driving culvert are communicated through the outer water through holes. The composite box culvert is internally provided with a plurality of travelling culvert bodies along the width direction of the composite box culvert, the culvert bodies between the adjacent travelling culvert bodies are all provided with internal water permeable holes, and the internal water permeable holes and the external water permeable holes are equal in height.

The composite box culvert is provided with an impervious support outside one side far away from a river channel, and the bottom of the composite box culvert is provided with a middle column pile.

In the non-flood season, the river channel keeps a normal water level 10, water flow is controlled in the launder 6, and people can move along the river through the viewing platform 8 or move to the hydrophilic walkway 7 through the steps 9 for close-distance waterfront movement. Meanwhile, vehicles can normally run in the driving culvert 2.2, and urban traffic jam is relieved. In addition, the outer water permeable holes 2.3 and the inner water permeable holes 2.4 can also be used as lighting holes of the travelling culvert 2.2.

During flood season, the runoff of rainwater increases, surpasses normal water level 10 in the river course 1, can close hydrophilic pavement 7, restricts people's home range and sightseeing platform 8 above the flood level, guarantees that river course 1 prevents flood, drainage waterlogging function.

If the interior rainwater runoff of river course 1 lasts the increase, then close the driving culvert 2.2, rivers pass through outer water penetration hole 2.3 and get into the driving culvert 2.2 that is close to river course 1 in, accomplish the water yield of first stage and absorb. If the water yield continues the increase, water can continue to flow into inboard driving culvert 2.2 in proper order through interior permeable hole 2.4, further absorbs extreme runoff water yield, and the inside of whole compound box culvert 2 all becomes a huge water storage space this moment, absorbs the extreme water yield that river course 1 self can't accept to at extreme weather in-process regulation rainwater, reduce the runoff peak value, slow down the flood risk, stop urban waterlogging.

The utility model discloses well chute 6 adopts "bottom of a boiler form" form, satisfies under the 1 normal rivers prerequisite in river course in the non-flood season, in order to increase ecological benefits, compromises the view of enjoying effect, adopts the good lump stone of water permeability as the view carrier bottom guard, moulds steep and slow, the depth is different, the various topography under water of change. The water flow is constructed through the rockfill, and the water flow changes rapidly and slowly, deeply and shallowly, steeply and slowly, so that different habitats are shaped, a growth space is provided for benthonic animals, and the biological diversity of the water body is consolidated.

The block stone is piled into a pot bottom shape, the thickness is not less than 400mm, the diameter of the block stone is 50-90mm, and pebbles are paved at the bottom of the block stone for backfilling.

Hydrophilic and submerged plants such as Phragmites communis, hydrilla verticillata, reserpillar, Goldfish algae and the like are planted in the gaps of the rock lumps, the plants are utilized to absorb nutrient substances and pollutants, the purification effect of nitrogen and phosphorus elements in cities and towns is enhanced, the eutrophication pollution of water is reduced, an ecological system for fish, shrimps, snails and microorganisms to inhabit and multiply can be formed, a plant-fish-benthonic animal-microorganism symbiotic composite ecological purification system is formed, and the self-purification and circulation of a river channel are effectively promoted.

The utility model adopts the side wall 2.1 of the culvert body of the composite box culvert 2 as the retaining wall of the river channel 1, releases the slope ratio, expands more town spaces and reconciles the contradiction of the town land development; the rectangular drainage channel formed at the same time is beneficial to draining floodwater, improves the function of blocking and draining the river when draining the stagnant water, increases the seepage diameter and improves the capacity of draining the stagnant water and preventing the flood.

The composite box culvert 2 forms an upper and lower layer traffic system in the non-flood season, so that the problem of traffic congestion of cities and towns is solved; when the flood water level is exceeded in the flood season, water which cannot be absorbed is drained into the driving culvert 2.2, so that the runoff peak value is delayed, flood and waterlogging are prevented, the life and property safety of people is guaranteed, and the social benefit and the economic benefit are remarkable.

The hydrophilic walkways 7 are provided at both sides of the launder 6 to provide a public place of rest for the surrounding residents, so that they can approach themselves without any obstruction and enjoy a beautiful river. The hydrophilic walkway 7 creates diversified waterside leisure places and living spaces, and has important educational significance for urban residents. Meanwhile, culture propaganda landscapes such as relief sculpture and mural can be arranged on the outer vertical surface of the culvert body 2.1, the culture propaganda landscapes complement with surrounding buildings near rivers and towns, the urban image vitality is highlighted, people can enjoy the river channel water culture rich in life breath and historical culture in a roaming manner in the hydrophilic space of the river channel, and people feel in a gallery of historical culture.

The landscape platform 8 is at the top of river course 1, more than the flood level 11, with peripheral cities and towns, the road links up rationally, the transportation trip has fully been provided, leisure recreation, sports fitness, tourism sightseeing, many-sided activity places such as amusement activity, create comfortable current environment, make system and river course interpenetration slowly walk, with the multi-angle, the multimode, the polymorphic type builds the abundant relation between city and the waterfront space for peripheral resident, richen people's space experience, strengthen the memory relation in water and place, the sharing water resource.

In the non-flood period, the distance between people and water can be shortened by descending the steps 9 to the hydrophilic walkway 7 at intervals.

In order to ensure the safety of the riverway 1, the composite box culvert 2 and the surrounding environment of a foundation pit, the problems that a common retaining wall cannot be constructed when the condition that buildings, high-voltage poles and the like cannot migrate is avoided by adopting the row-pile type anti-seepage support 4 on the outer side of the composite box culvert 2 in consideration of high utilization rate of the land around the riverway 1 in a city and high density of surrounding buildings or other facilities are considered, and the calculation is carried out according to permanent engineering. The impervious support 4 is obtained by calculation according to engineering geological conditions.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all still fall within the scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides an improve ecological complex function river course of town flood control ability, includes river course (1), its characterized in that: the outside of river course (1) is equipped with rather than the unanimous compound box culvert of length direction (2), the top of compound box culvert (2) is not less than the flood level of river course (1) and equal height with city (3) ground, the top of compound box culvert (2) is equipped with the lane, compound box culvert (2) comprise culvert body (2.1) and driving culvert (2.2), one side top that culvert body (2.1) is close to river course (1) has been seted up outer hole (2.3) that permeates water, river course (1) and driving culvert (2.2) are through outer hole (2.3) intercommunication that permeates water.

2. The ecological composite functional riverway capable of improving the urban flood control capability according to claim 1, is characterized in that: it contains (2.2) to be equipped with a plurality of driving a vehicle along its width direction in compound box culvert (2), all seted up interior hole (2.4) of permeating water on containing body (2.1) between adjacent driving a vehicle culvert (2.2), interior hole (2.4) of permeating water and outer hole (2.3) of permeating water are equal height.

3. The ecological composite functional riverway capable of improving the urban flood control capability according to the claim 1 or 2, is characterized in that: and an anti-seepage support (4) is arranged outside one side of the composite box culvert (2) far away from the river channel (1).

4. The ecological composite functional riverway capable of improving the urban flood control capability according to the claim 1 or 2, is characterized in that: and the bottom of the composite box culvert (2) is provided with a middle column pile (5).

5. The ecological composite functional riverway capable of improving the urban flood control capability according to claim 1, is characterized in that: the river course (1) is characterized in that a runner (6) is arranged at the bottom of the river course, and block stones are paved in the runner (6).

6. The ecological composite functional riverway capable of improving the urban flood control capability according to claim 5, is characterized in that: the both sides of chute (6) are equipped with hydrophilic pavement (7), link to each other through ladder (9) between hydrophilic pavement (7) and city (3) ground.

7. The ecological composite functional riverway capable of improving the urban flood control capability according to claim 1, is characterized in that: the top of the culvert body (2.1) of the composite box culvert (2) extends to the river channel (1) to form a viewing platform (8).

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