CN106088296A - Big flow, height fall poor draining drop well and multilamellar energy dissipating construction method thereof - Google Patents

Big flow, height fall poor draining drop well and multilamellar energy dissipating construction method thereof Download PDF

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Publication number
CN106088296A
CN106088296A CN201610653640.1A CN201610653640A CN106088296A CN 106088296 A CN106088296 A CN 106088296A CN 201610653640 A CN201610653640 A CN 201610653640A CN 106088296 A CN106088296 A CN 106088296A
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well
room
energy dissipating
drop
micro
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CN106088296B (en
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李良富
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CMCU Engineering Co Ltd
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CMCU Engineering Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/02Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/02Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • E03F5/021Connection of sewer pipes to manhole shaft
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F2201/00Details, devices or methods not otherwise provided for

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention discloses a kind of big flow, height falls poor draining drop well and multilamellar energy dissipating construction method thereof, by well body, partition wall, drop room, maintenance room, water inlet pipe and outlet pipe composition, well body is divided into drop room and maintenance room by partition wall, drop room includes well room and waterpower energy dissipating floor, water inlet pipe connects with top, well room, well indoor are provided with grid energy dissipating layer, grid energy dissipating layer includes multiple the beam groups being equally spaced, two adjacent studs beam groups are spatially in being criss-cross arranged, outlet pipe is located at maintenance indoor and is connected with bottom, well room by the water hole set by partition wall bottom, and outlet pipe inner chamber bottom surface and waterpower energy dissipating layer end face are on same absolute altitude, partition wall top is communicated with the steam vent of well room and maintenance room.Big flow that the present invention can solve to be not directed in conventional discharge drop well, slump poor Dissipation of Energy;Meanwhile, the present invention has the multilamellar energy dissipating construction method of the effect that saves land, and in the build-up region nervous for land used, pipe network is intensive, the design of drop well provides reference.

Description

Big flow, height fall poor draining drop well and multilamellar energy dissipating construction method thereof
Technical field
The invention belongs to Municipal Drainage Engineering technical field, relate to the structures of urban discharging pipeline drop, particularly to A kind of big flow, height fall poor draining drop well and multilamellar energy dissipating construction method thereof.
Background technology
Municipal drainage pipeline mainly includes sewage conduct, storm sewer and rainwater, sewage interflow pipeline.Three kinds of pipelines all relate to And the layout of inspection shaft.According to " Code for design of outdoor sewerage engineering (GB50014-2006<2014 year version>) " (it is called for short outdoor drainage to set Meter specification, lower same), " position of inspection shaft should be located at pipeline intersection, turning, caliber or gradient change, drop and sentence And locate at a certain distance on straight line pipeline section.”
Drop well is a kind of important composition form of inspection shaft, utilizes drop well to solve different discrepancy in elevation ground rainwater, dirt The Dissipation of Energy of the gravity drainage of water etc..At drop, as drop degree of depth h >=5m, current will produce impact greatly Power, is formed for pipe network and inspection shaft and significantly washes away, and then the safe and stable operation of high risks drainage pipeline networks.To this end, " room Outer Drainage Design specification " regulation: " when pipeline drop head is 1.0~2.0m, preferably set drop well;When drop head is more than 2.0m, Drop well should be set.Drop well should not be set " at pipeline turning;" when the water inlet pipe caliber of drop well is not more than 200mm, once drop Head height cannot be greater than 6m;When caliber is 300mm~600mm, once drop head height is not preferably greater than 4m.Drop mode can Use vertical tube or rectangle vertical slot.When caliber is more than 600mm, its once drop head height and drop mode should be according to water force Determine.”
Moreover, along with the continuous quickening of Urbanization in China, city is faced with huge and deep change.Give Water, draining (including rainwater, sewage, interflow etc.), middle water, electric power, cable, combustion gas, fuel oil, heating power, fire-fighting, illuminate, communicate, extensively The substantial amounts of underground utilities such as electricity are distributed on town road, and the extreme causing Subsurface is crowded.Urban drainage pipe network leads to Often caliber is relatively big, and it is generally required to ensure the conduit slope needed for gravity stream, simultaneously in order to dodge other pipelines, drainage pipeline networks Buried depth often can be relatively big, and the degree of depth of inspection shaft (containing drop well) increases the most accordingly.
At present, " drainage inspection well " atlas (02 (03) S515) has included 3 kinds of drop wells, respectively riser type drop well, Vertical slot formula drop well and staged drop well.Wherein riser type drop well is applicable to fall the cast iron pipe that caliber is not more than 200mm, Fall the soil pipe that difference is 1~6m;It is 200~600mm that vertical slot formula drop well is applicable to fall caliber, falls the rain that difference is 1~4m dirty Water pipe;It is 700~1650mm that staged drop well is applicable to fall caliber, falls the rainfall and sewage pipes that difference is 1~2m.Above-mentioned three classes The drop well difference that slumps most is only 6m, and corresponding when 6m falls poor is only the cast iron sewage pipe being not more than 200mm, it is difficult to meet draining The needs of pipe network latest development.For the situation of bigger water inlet pipe caliber, above-mentioned figure mainly uses the mode fallen step by step, takes up an area Space is relatively big, according to caliber 700~1650mm, falls and differs from 1~2m, and inspection shaft inside dimension length needs 2.5~4m, and width needs Want 1.8~2.75m.
Therefore, need that research a kind of is applicable to big flow, height falls the draining drop well with the effect that saves land of poor scope badly.
Summary of the invention
In view of this, an object of the present invention is to provide a kind of big flow, height to fall poor draining drop well, to solve to pass System draining drop well in be not directed to big flow, slump poor Dissipation of Energy;Meanwhile, the two of the purpose of the present invention are to provide one Plant the multilamellar energy dissipating construction method with the effect that saves land, the design of drop well in the build-up region nervous for land used, pipe network is intensive Reference is provided.
The present invention is achieved through the following technical solutions:
A kind of big flow, height fall poor draining drop well, mainly by well body, partition wall, drop room, maintenance room, water inlet pipe with go out Water pipe forms, and well body is divided into drop room and maintenance room two parts by partition wall, drop room include the portion that is disposed thereon well room and under The waterpower energy dissipating layer in portion, well room and the direct vertical connection of waterpower energy dissipating floor, water inlet pipe connects with top, well room, and described well indoor set Have grid energy dissipating layer, described grid energy dissipating layer be included in less than be provided with on the vertical direction of water inlet pipe be equally spaced many Individual stake beam group, two adjacent studs beam groups are spatially in being criss-cross arranged, and described outlet pipe is located at maintenance indoor and passes through partition wall Water hole set by bottom connects with bottom, well room, and outlet pipe inner chamber bottom surface and waterpower energy dissipating layer end face are on same absolute altitude, The top of described partition wall is communicated with the steam vent of well room and maintenance room.
By using such scheme, the present invention is by connecing by water inlet pipe at the grid energy dissipating floor of drop room well indoor location The indoor draining of upstream drainage pipe culvert system and access wall carries out just energy dissipating, and is formed bottom drop room and have certain depth and deposit The waterpower energy dissipating layer of water, by buffering with the collision of water in waterpower energy dissipating layer, thus reaches through grid energy dissipating layer The water of energy dissipating does the purpose of further energy dissipating, makes current can flow out well room with the state of steady flow, and is entered down by outlet pipe Trip draining pipe culvert system;Meanwhile, steam vent connection maintenance room, the gas indoor in order to balance well are also set on drop Jing Shi top, room The gas that pressure, i.e. draining and grid energy dissipating layer and waterpower energy dissipating layer collision rift produce can (can pass through to control by this steam vent Maintenance ceiling portion well lid perforated area realizes) dissipate in air.The present invention is limited at land used, upstream and downstream draining pipe culvert system high Realize big flow under journey stable condition, height falls poor drainage problem.
Further, to better implement the present invention, can be according to operating mode and cost needs, in drop room, well indoor location is different The stake beam group of type, reaches to be connected trip draining pipe culvert system by water inlet pipe and the indoor draining of access wall carries out grid energy dissipating layer The purpose of just energy dissipating, special setting is in following structure: described stake beam group is made up of micro-beam of single lineal layout, and single straight line divides Stake beam group's overall alignment structure that micro-beam of cloth is constituted is by horizontally or diagonally designing;Or described stake beam group is distributed by multiple rows of arc Micro-beam composition, multiple rows of arc is distributed stake beam group's overall alignment structure that micro-beam constituted and sets by circular arc or sine curve Meter.
Further, to better implement the present invention, the effect of energy dissipation that can make grid energy dissipating layer is more excellent, and special setting is in following knot Structure: described stake beam group is at least formed by being staggered in blossom type between micro-beam of three rows and row.
Further, to better implement the present invention, micro-beam can be made to increase the collision effect with pumpway, special arrange under State structure: the section of described micro-beam is square or trapezoidal or triangular structure.
Further, to better implement the present invention, by improving the spacing of adjacent micro-beam, reach to optimize grid energy dissipating layer Energy dissipating purpose, special arrange in following structure: the trestle column of described micro-beam is 1.5~2.5 times of micro-beam circumscribed circle diameters, often The pile center's spacing arranging micro-beam is 2~3 times of micro-beam circumscribed circle diameters.
Further, to better implement the present invention, fall further is done after making to pass through waterpower energy dissipating floor bottom drop room The energy of low and mild current, it is ensured that the stable and safety of well room of water outlet flow-shape, special is arranged in following structure: described in fall Hydroecium also includes the cobble energy dissipating layer being located under waterpower energy dissipating layer.
Further, to better implement the present invention, the well body borehole wall, partition wall and micro-beam can be made to have resistance to impact, simultaneously Play support fixation to being located at the indoor outlet pipe of maintenance, special arrange in following structure: the borehole wall of described well body, partition wall and Stake beam group made by C30 reinforced concrete, described maintenance room be positioned at bottom outlet pipe be provided with support outlet pipe fill floor, The described layer that fills is made up of element pea gravel concreten.
Further, to better implement the present invention, can guarantee that the safety of maintainer and be available for maintainer's rest, ad hoc Put in following structure: the top of described maintenance room is provided with the safety net of fall arrest, and maintenance room is less than safety net and higher than filling out Build on the vertical direction of layer and be provided with inspection platform every certain altitude.
The present invention also provides for a kind of application and falls, at big flow, height, the multilamellar energy dissipating construction method that poor draining is dropped, and specifically wraps Include following steps:
S1. excavate drop well foundation ditch and pour into well body, at well internal casting partition wall, well body being divided into drop room and maintenance Room two parts;
S2. at drop room well indoor location grid energy dissipating floor, grid energy dissipating floor is included on the vertical direction of well room and is positioned at Top, well room connect water inlet pipe below be provided with multiple the beam groups being equally spaced, two adjacent studs beam groups spatially in It is criss-cross arranged;
S3. below drop well room, room, waterpower energy dissipating floor and cobble energy dissipating floor have been sequentially filled it.
By using such scheme, the present invention has the multilamellar energy dissipating construction method of the effect that saves land, and can be that land used is nervous, manage Net the design of drop well in intensive build-up region and reference is provided.
Further, also comprise the steps:
Described step S1 includes the most step by step:
S1-1. dig pit requirement by design, lay drop well position excavation pit on the ground;
S1-2. by design reinforcement requirement, utilize reinforcing bar binding to become the borehole wall and the partition wall of frame structure in foundation ditch, and every Wall upper and lower part is reserved with steam vent and water hole respectively;
S1-3. by design cast requirement, the bar construction cast C30 concrete made is made well body and partition wall, The outlet pipe bottom pouring element pea gravel concreten being connected bottom maintenance room and with water hole is made and is filled floor;
S1-4. by design structural requirement, the safety net of fall arrest is installed at the top of maintenance room, and maintenance room is being less than Safety net and higher than filling on the vertical direction of layer and be provided with inspection platform every certain altitude;
Described step S2 includes the most step by step:
S2-1. by design structural requirement, micro-beam position is laid in well indoor by straight line or arc;
S2-2. by design reinforcement requirement, reinforcing bar binding is utilized to become micro-beam of frame structure;
S2-3. by design cast requirement, from bottom to up subsectin bottler C30 concrete, all micro-beam constructions are completed;
Described step S3 includes the most step by step:
S3-1. by design structural requirement, Reasonable Arrangement waterpower energy dissipating layer and the absolute altitude of cobble energy dissipating layer.
The method have the benefit that: the present invention is reasonable in design, upland water is in the structure through grid energy dissipating layer After energy dissipating, reduced further and the energy of mild current by waterpower energy dissipating floor and cobble energy dissipating floor bottom drop room, it is ensured that Stable and the safety of well room of water outlet flow-shape, the steam vent on partition wall is arranged and the setting of maintenance indoor maintenance platform simultaneously Put also for the ventilation of drop well room, room and having safely provided convenient and having ensured of maintainer.The present invention complies with drainage system and saves land The development trend changed, embodies that function is efficient, technique is clear, simply constructed technical characterstic, be beneficial to nervous at land used, pipe network is close The build-up region application of collection.
The advantage of adnexa of the present invention will be given in the description of detailed description of the invention part below, and part will be retouched from following Become obvious in stating, or recognized by the practice of the present invention.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the present invention made into The detailed description of one step, wherein:
Fig. 1 is that the big flow of the present invention, height fall the sectional elevation structure of poor draining drop well and multilamellar energy dissipating construction method thereof and show It is intended to;
Fig. 2 is the planar structure schematic diagram of Fig. 1;
Reference: 1 is well body, 2 is partition wall, and 3 is drop room, and 4 is maintenance room, and 5 is water inlet pipe, and 6 is outlet pipe, and 7 are Grid energy dissipating layer, 8 is waterpower energy dissipating layer, and 9 is cobble energy dissipating layer, and 10 for filling layer, and 11 is safety net, and 12 is inspection platform, 13 For inspection manhole;Wherein 201 is steam vent, and 202 is water hole, and 701 is horizontal stake beam group, and 702 is longitudinal stake Liang Quan.
Detailed description of the invention
Below with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail;Should be appreciated that preferred embodiment Only for the explanation present invention rather than in order to limit the scope of the invention.
As shown in Figure 1-2, a kind of big flow in the present embodiment, height fall poor draining drop well, mainly by well body 1, partition wall 2, drop room 3, maintenance room 4, water inlet pipe 5 and outlet pipe 6 form, and wherein, well body 1 is divided into drop room 3 and maintenance room 4 by partition wall 2 Two parts, drop room 3 includes the well room (unmarked) in the portion that is disposed thereon and the waterpower energy dissipating floor 8 of bottom, and well room and waterpower disappear The direct vertical connection of ergosphere 8, water inlet pipe 5 connects with top, well room for upstream drainage pipe culvert system, and well indoor are provided with grid and disappear Ergosphere 7, this grid energy dissipating layer 7 is included in less than being provided with multiple the beams being equally spaced on the vertical direction of water inlet pipe 5 Group, two adjacent studs beam groups, spatially in being criss-cross arranged, are sequentially arranged at intervals with horizontal stake beam group 701 He the most from bottom to top Longitudinal stake beam group 702, outlet pipe 6 for downstream drainage pipe culvert system be located at maintenance room 4 in and pass through set by partition wall 2 bottom Water hole 202 connects with bottom, well room, and outlet pipe 6 inner chamber bottom surface and waterpower energy dissipating layer 8 end face are on same absolute altitude, partition wall 2 Top be communicated with well room with maintenance room 4 steam vent 201.
By using such scheme, the present invention is by connecing by water inlet pipe at the grid energy dissipating floor of drop room well indoor location The indoor draining of upstream drainage pipe culvert system and access wall carries out just energy dissipating, and is formed bottom drop room and have certain depth and deposit The waterpower energy dissipating layer of water, by buffering with the collision of water in waterpower energy dissipating layer, thus reaches through grid energy dissipating layer The water of energy dissipating does the purpose of further energy dissipating, makes current can flow out well room with the state of steady flow, and is entered down by outlet pipe Trip draining pipe culvert system;Meanwhile, steam vent connection maintenance room, the gas indoor in order to balance well are also set on drop Jing Shi top, room The gas that pressure, i.e. draining and grid energy dissipating layer and waterpower energy dissipating layer collision rift produce can (can pass through to control by this steam vent Maintenance ceiling portion well lid perforated area realizes) dissipate in air.The present invention is limited at land used, upstream and downstream draining pipe culvert system high Realize big flow under journey stable condition, height falls poor drainage problem.
In the present embodiment, micro-by single lineal layout of described stake beam group (horizontal stake beam group 701 or longitudinal stake beam group 702) Stake beam (unmarked) composition, stake beam group's overall alignment structure that micro-beam of single lineal layout is constituted is by horizontally or diagonally setting Meter.The most in various embodiments, micro-the beam that described stake beam group is distributed by multiple rows of arc forms, and multiple rows of arc is distributed micro-stake Stake beam group's overall alignment structure that beam is constituted is designed by circular arc or sine curve;Or described stake beam group is at least by the three micro-stakes of row Be staggered between beam and row composition in blossom type.So, can be according to operating mode and cost needs, in drop room well indoor location inhomogeneity The stake beam group of type, to reach to be connected trip draining pipe culvert system by water inlet pipe and the indoor draining of access wall carries out the mesh of just energy dissipating , the effect of energy dissipation making grid energy dissipating layer is more excellent.
In the present embodiment, the section of described micro-beam is square or trapezoidal or triangular structure.So, micro-beam can be made to increase Big and the collision effect of pumpway;Meanwhile, in order to more optimize the energy dissipating purpose of grid energy dissipating layer, by improving adjacent micro-beam Spacing, the trestle column making micro-beam is 1.5~2.5 times of micro-beam circumscribed circle diameters, and the pile center's spacing often arranging micro-beam is 2 ~3 times of micro-beam circumscribed circle diameters.
In the present embodiment, described drop room 3 also includes the cobble energy dissipating floor 9 being located under waterpower energy dissipating floor 8.So, pass through Cobble energy dissipating layer is set, does after making to pass through waterpower energy dissipating floor energy dissipating bottom drop room and reduce further and the energy of mild current Amount, it is ensured that the stable and safety of well room of water outlet flow-shape.
In the present embodiment, the borehole wall (unmarked) of described well body 1, partition wall 2 and stake beam group (horizontal stake beam group 701 or longitudinal Stake beam group 702) to be made by C30 reinforced concrete, described maintenance room 4 supports outlet pipe 6 being positioned at bottom outlet pipe 6 to be provided with Fill layer 10, described in fill layer 10 by element pea gravel concreten make.So, the well body borehole wall, partition wall and micro-beam can be made to have resistance to Impact, plays support fixation to the outlet pipe being located at maintenance indoor simultaneously.
In the present embodiment, the top of described maintenance room 4 is provided with the safety net 11 of fall arrest, and maintenance room 4 is less than safety Net 11 and higher than filling on the vertical direction of layer 10 and being provided with inspection platform 12 every certain altitude, maintenance top, room 4 well lid sets There is maintenance artificial, so, can guarantee that maintainer in the safety of turnover maintenance room and is available for the position that maintainer has a rest, with Time, well body is divided into drop room and maintenance room by this partition wall completely, it is ensured that maintainer rests on the safety of maintenance office work Coefficient.
The present invention also provides for a kind of application and falls, at big flow, height, the multilamellar energy dissipating construction method that poor draining is dropped, and specifically wraps Include following steps:
S1. excavate drop well foundation ditch and pour into well body 1, in well body 1, pouring into a mould partition wall 2, well body 1 is divided into drop room 3 With maintenance room 4 two parts, which includes four step by step: first, dig pit requirement by design, lay drop well location on the ground Put and excavation pit;Then, by design reinforcement requirement, reinforcing bar binding is utilized to become the borehole wall and the partition wall of frame structure in foundation ditch, And steam vent 201 and water hole 202 it is reserved with respectively in partition wall upper and lower part;Then, by design cast requirement, to make Bar construction cast C30 concrete makes well body 1 and partition wall 2, and is overhauling the water outlet being connected bottom room 4 and with water hole 202 Pipe 6 bottom pouring element pea gravel concreten is made and is filled layer 10;Finally, by design structural requirement, it is provided with at the top of maintenance room 4 The safety net 11 of fall arrest, and maintenance room 4 is less than safety net 11 and higher than filling on the vertical direction of floor 10 and every necessarily Inspection platform 12 is highly installed;
S2. at drop room 3 well indoor location grid energy dissipating floor 7, grid energy dissipating floor 7 is included on the vertical direction of well room and position Being provided with, below the water inlet pipe 5 that top, well room connects, multiple the beam groups being equally spaced, two adjacent studs beam groups are in space On in being criss-cross arranged, which includes three step by step: first, by design structural requirement, press straight line or arc in well indoor Shape lays micro-beam position;Then, by design reinforcement requirement, reinforcing bar binding is utilized to become micro-beam of frame structure;Then, by setting Meter cast requirement, from bottom to up subsectin bottler C30 concrete, complete all micro-beam constructions;
S3. below drop well room, room 3, it is sequentially filled waterpower energy dissipating floor 8 and cobble energy dissipating floor 9, which includes one Step by step: by design structural requirement, Reasonable Arrangement waterpower energy dissipating layer 8 and the absolute altitude of cobble energy dissipating layer 9.
By using such scheme, the present invention has the multilamellar energy dissipating construction method of the effect that saves land, and can be that land used is nervous, manage Net the design of drop well in intensive build-up region and reference is provided.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, it is clear that those skilled in the art Member can carry out various change and modification without departing from the spirit and scope of the present invention to the present invention.So, if the present invention These amendments and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these Change and including modification.

Claims (10)

1. big flow, height fall a poor draining drop well, mainly by well body, partition wall, drop room, maintenance room, water inlet pipe and water outlet Pipe forms, and well body is divided into drop room and maintenance room two parts by partition wall, and drop room includes well room and the bottom in the portion that is disposed thereon Waterpower energy dissipating layer, well room and the direct vertical connection of waterpower energy dissipating floor, water inlet pipe connects with top, well room, it is characterised in that: institute State well indoor and be provided with grid energy dissipating layer, between described grid energy dissipating layer is included in less than being provided with on the vertical direction of water inlet pipe in grade Away from multiple the beam groups at interval, two adjacent studs beam groups are spatially in being criss-cross arranged, and maintenance indoor are located at by described outlet pipe And connected with bottom, well room by the water hole set by partition wall bottom, and outlet pipe inner chamber bottom surface and waterpower energy dissipating layer end face are same On one absolute altitude, the top of described partition wall is communicated with the steam vent of well room and maintenance room.
Big flow the most according to claim 1, height fall poor draining drop well, it is characterised in that: described stake beam group is by single Micro-beam composition of lineal layout, stake beam group's overall alignment structure that micro-beam of single lineal layout is constituted is by horizontally or diagonally Design;Or micro-the beam that described stake beam group is distributed by multiple rows of arc forms, multiple rows of arc is distributed the stake beam group that micro-beam is constituted Overall alignment structure presses circular arc or sine curve design.
Big flow the most according to claim 1, height fall poor draining drop well, it is characterised in that: described stake beam group at least by Be staggered between micro-beam of three rows and row composition in blossom type.
4. fall poor draining drop well according to the big flow described in Claims 2 or 3, height, it is characterised in that: breaking of described micro-beam Face is square or trapezoidal or triangular structure.
Big flow the most according to claim 4, height fall poor draining drop well, it is characterised in that: between the row of described micro-beam Away from for 1.5~2.5 times of micro-beam circumscribed circle diameters, the pile center's spacing often arranging micro-beam is that 2~3 times of micro-beam circumscribed circles are straight Footpath.
Big flow the most according to claim 1, height fall poor draining drop well, it is characterised in that: described drop room also includes The cobble energy dissipating layer being located under waterpower energy dissipating layer.
Big flow the most according to claim 1, height fall poor draining drop well, it is characterised in that: the borehole wall of described well body, every Wall and stake beam group are made by C30 reinforced concrete, and described maintenance room supports the filling out of outlet pipe being positioned at bottom outlet pipe to be provided with Build layer, described in fill layer by element pea gravel concreten make.
Big flow the most according to claim 7, height fall poor draining drop well, it is characterised in that: the top of described maintenance room It is provided with the safety net of fall arrest, and maintenance room is less than safety net and higher than filling on the vertical direction of floor and every certain altitude It is provided with inspection platform.
9. a multilamellar energy dissipating construction method, it is characterised in that comprise the steps:
S1. excavate drop well foundation ditch and pour into well body, at well internal casting partition wall, well body being divided into drop room and maintenance room two Part;
S2. at drop room well indoor location grid energy dissipating floor, grid energy dissipating floor is included on the vertical direction of well room and is positioned at well room Being provided with, below the water inlet pipe that top connects, multiple the beam groups being equally spaced, two adjacent studs beam groups are spatially in length and breadth Interlaced arrangement;
S3. below drop well room, room, waterpower energy dissipating floor and cobble energy dissipating floor have been sequentially filled it.
10. multilamellar energy dissipating construction method as claimed in claim 9, it is characterised in that:
Described step S1 includes the most step by step:
S1-1. dig pit requirement by design, lay drop well position excavation pit on the ground;
S1-2. by design reinforcement requirement, reinforcing bar binding is utilized to become the borehole wall and the partition wall of frame structure in foundation ditch, and at partition wall Upper and lower part is reserved with steam vent and water hole respectively;
S1-3. by design cast requirement, the bar construction cast C30 concrete made is made well body and partition wall, in maintenance The outlet pipe bottom pouring element pea gravel concreten being connected bottom room and with water hole is made and is filled floor;
S1-4. by design structural requirement, the safety net of fall arrest is installed at the top of maintenance room, and maintenance room is less than safety Net and higher than filling on the vertical direction of layer and be provided with inspection platform every certain altitude;
Described step S2 includes the most step by step:
S2-1. by design structural requirement, micro-beam position is laid in well indoor by straight line or arc;
S2-2. by design reinforcement requirement, reinforcing bar binding is utilized to become micro-beam of frame structure;
S2-3. by design cast requirement, from bottom to up subsectin bottler C30 concrete, all micro-beam constructions are completed;
Described step S3 includes the most step by step:
S3-1. by design structural requirement, Reasonable Arrangement waterpower energy dissipating layer and the absolute altitude of cobble energy dissipating layer.
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CN106495252A (en) * 2016-12-13 2017-03-15 中国船舶重工集团公司第七〇九研究所 One kind is from flow-generator defecator
CN106836449A (en) * 2017-01-10 2017-06-13 中国核电工程有限公司 A kind of gully energy dissipator
CN109868884A (en) * 2017-12-01 2019-06-11 沈阳铝镁设计研究院有限公司 One kind being suitable for the higher drop energy dissipating drop well of Large Diameter Pipeline
CN111851707A (en) * 2020-07-21 2020-10-30 国家电网有限公司 Double inflow port convection type energy dissipation drop well under working condition of high fall and small pipe diameter
CN115262641A (en) * 2022-08-11 2022-11-01 深圳市城市交通规划设计研究中心股份有限公司 Drop well realized based on pipe-jacking working well and transformation process thereof

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CN106495252B (en) * 2016-12-13 2022-12-13 中国船舶重工集团公司第七一九研究所 From current generator filter equipment
CN106836449A (en) * 2017-01-10 2017-06-13 中国核电工程有限公司 A kind of gully energy dissipator
CN109868884A (en) * 2017-12-01 2019-06-11 沈阳铝镁设计研究院有限公司 One kind being suitable for the higher drop energy dissipating drop well of Large Diameter Pipeline
CN111851707A (en) * 2020-07-21 2020-10-30 国家电网有限公司 Double inflow port convection type energy dissipation drop well under working condition of high fall and small pipe diameter
CN111851707B (en) * 2020-07-21 2021-10-19 国家电网有限公司 Double inflow port convection type energy dissipation drop well under working condition of high fall and small pipe diameter
CN115262641A (en) * 2022-08-11 2022-11-01 深圳市城市交通规划设计研究中心股份有限公司 Drop well realized based on pipe-jacking working well and transformation process thereof
CN115262641B (en) * 2022-08-11 2024-03-26 深圳市城市交通规划设计研究中心股份有限公司 Drop well realized based on pipe-jacking working well and transformation process thereof

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