CN205857134U - A kind of economical mud-rock flow blocking dam structure - Google Patents
A kind of economical mud-rock flow blocking dam structure Download PDFInfo
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- CN205857134U CN205857134U CN201620665419.3U CN201620665419U CN205857134U CN 205857134 U CN205857134 U CN 205857134U CN 201620665419 U CN201620665419 U CN 201620665419U CN 205857134 U CN205857134 U CN 205857134U
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Abstract
This utility model relates to a kind of economical mud-rock flow blocking dam structure.The purpose of this utility model is to provide that the design of a kind of structure is simple, it is convenient, safe and reliable to construct, and has the economical mud-rock flow blocking dam structure of stronger practicality, reduces the usage amount of concrete, and investment reduction.The technical solution of the utility model is: this structure has the foundation plane excavated, the dam body of described blocking dam is by being arranged on the key-wall of base of dam, being wrapped in the dam concrete of whole blocking dam outer surface, be filled in the concrete segment stone within blocking dam, and the some porus excretoriuses composition being arranged on dam body in isosceles triangle；The top of described blocking dam sets open type, centrally arranged downflow weir, in level in the middle of this spillwag chute, and is 10%～20% to extend to both sides with longitudinal slope i；Described key-wall is anchored on foundation plane by going deep into the joint bar of basement rock, is close to this key-wall downstream and is provided with anti-naughty hole.This utility model is applicable to the structure of blocking of the similar engineerings such as debris flow gully improvement.
Description
Technical field
This utility model relates to a kind of economical mud-rock flow blocking dam structure, is primarily adapted for use in debris flow gully improvement etc. and is similar to
The structure of blocking of engineering.
Background technology
Mud-rock flow refers at mountain area or other cheuch deep gullies, the area that landform is dangerously steep, because heavy rain or other natural calamities
Do harm to the landslide caused and carry the special mighty torrent of a large amount of silt and stone.Debris flow suddenly, break with tremendous force, can
Carry huge stone.Because it advances at utmost speed, there is powerful energy, thus destructive very big.Mud-rock flow is the most common
The Serious geological disasters source faced, its administration way mainly includes that mud-rock flow is carried out row leads or block, or both combine
Comprehensive control.By the most a large amount of Controlling Debris Flow engineering of statistics, most rows of employing lead and the improvement combined of blocking
Form, therefore, blocking dam is widely used in Controlling Debris Flow.From the point of view of the most current blocking dam structure, concrete weight
Power dam is the main selection of blocking dam, and owing to gravity dam relies on gravity to remain stable, therefore its structure is loose, needs substantial amounts of
Cement, sandstone aggregate etc., construction investment is bigger.
Summary of the invention
The technical problems to be solved in the utility model is: for the problem of above-mentioned existence, it is provided that a kind of structure design is simple,
Construct convenient, safe and reliable, there is the economical mud-rock flow blocking dam structure of stronger practicality, to reduce the use of concrete
Amount, reaches the purpose of investment reduction.
This utility model be the technical scheme is that a kind of economical mud-rock flow blocking dam structure, has and has excavated
Foundation plane, it is characterised in that: the dam body of described blocking dam is by being arranged on the key-wall of base of dam, being wrapped in whole blocking dam outer surface
Dam concrete, be filled in the concrete segment stone within blocking dam, and the some rows being arranged on dam body in isosceles triangle
Let out hole composition；The top of described blocking dam sets open type, centrally arranged downflow weir, in level in the middle of this spillwag chute, and with vertical
To slope i be 10%～20% to both sides extend；Described key-wall is anchored on foundation plane by going deep into the joint bar of basement rock, is close to this tooth
Wall downstream is provided with anti-washing in a pan and cheats.
Described joint bar is in rectangular layout, and an array pitch is 2～3m, a diameter of 25mm, and joint bar gos deep into basement rock 1～3m, exposes length
Degree is 0.5m；Described key-wall degree of depth h is 2～5m.
Described dam concrete uses C20 concrete, and thickness d is 1～2m；The block footpath of block stone in concrete segment stone >=
200mm, clay content are less than 0.5% and block rock land is hard；Its fine concrete is joined according to certain by cement, sand, water
Composition and division in a proportion is mixed and stirred and is formed, and match ratio is 1:3:0.5～0.7.
Port size width × height=0.5 × the 1.0m of described porus excretorius, level interval is 3～4m, vertical clear spacing be 3～
4m, bottom is several rows of lets out the hole earth's surface elevation close to primitive groove paddy, the vertical discrepancy in elevation≤1.0m.
The boulder of block footpath >=60cm it is filled with in described anti-naughty hole.
For height less than the blocking dam of 10m, described foundation plane be excavated to bedrock surface or suitably under dig.
For highly blocking dam more than 10m, described foundation plane is excavated to weak air slaking upper end.
For the height blocking dam less than 10m, the construction of a kind of economical mud-rock flow blocking dam structure of the present utility model
Method, it is characterised in that comprise the following steps:
A. the excavation of foundation plane: excavation foundation plane to bedrock surface or suitably under dig；
B. the layout of joint bar: joint bar gos deep into basement rock 1～3m, protruded length is 0.5m, diameter >=25mm, in rectangular layout,
Between array pitch be 2～3m, be arranged in parallel two socket muscle；
C. the setting of key-wall: key-wall is arranged at the base of dam of blocking dam, and anchor by going deep into the joint bar of basement rock and build base
On face, degree of depth h is 2～5m；
D. the pouring of dam concrete: dam concrete is wrapped in the outer surface of whole blocking dam, uses C20 concrete,
Thickness d is 1～2m；
E. the construction of concrete segment stone: with dam concrete as template, at the internal fill concrete building block stone of blocking dam,
After dam concrete reaches design strength, start the construction of concrete segment stone, first block clitter is put in the middle part of dam body and sets
Meter region, then cement mortar is poured into wherein, the block stone that random filling particle diameter is bigger；Block stone footpath in concrete segment stone >=
200mm, clay content are less than 0.5% and block rock land is hard；Its fine concrete is joined according to certain by cement, sand, water
Composition and division in a proportion is mixed and stirred and is formed, and match ratio is 1:3:0.5～0.7；
F. the layout of porus excretorius: arrange that on the dam body of blocking dam 2～3 rows are the porus excretorius of isosceles triangle distribution, its aperture
Size width × height=0.5 × 1.0m, level interval is 3～4m, and vertical clear spacing is 3～4m, and bottom several rows of to let out hole close
The earth's surface elevation of primitive groove paddy, the vertical discrepancy in elevation≤1.0m；
G. the setting of downflow weir: set open weir at the top of blocking dam, and centrally arranged, in water in the middle of spillwag chute
Flat, it is 10%～20% to extend to both sides with longitudinal slope i；
H. the anti-setting washing in a pan hole: next-door neighbour key-wall downstream is provided with anti-hole of washing in a pan, anti-wash in a pan hole in fill up integrity preferably, block footpath not
Less than 60cm boulder.
For highly blocking dam more than 10m, executing of another kind of the present utility model economical mud-rock flow blocking dam structure
Work method, it is characterised in that comprise the following steps:
A. the excavation of foundation plane: excavation foundation plane is to weak air slaking upper end；
B. the layout of joint bar: joint bar gos deep into basement rock 1～3m, protruded length is 0.5m, diameter >=25mm, in rectangular layout,
Between array pitch be 2～3m, be arranged in parallel layout 3～4 rows；
C. the setting of key-wall: key-wall is arranged at the base of dam of blocking dam, and anchor by going deep into the joint bar of basement rock and build base
On face, degree of depth h is 2～5m；
D. the pouring of dam concrete: dam concrete is wrapped in the outer surface of whole blocking dam, uses C20 concrete,
Thickness d is 1～2m；
E. the construction of concrete segment stone: with dam concrete as template, at the internal fill concrete building block stone of blocking dam,
After dam concrete reaches design strength, start the construction of concrete segment stone, first block clitter is put in the middle part of dam body and sets
Meter region, then cement mortar is poured into wherein, the block stone that random filling particle diameter is bigger；Block stone footpath in concrete segment stone >=
200mm, clay content are less than 0.5% and block rock land is hard；Its fine concrete is joined according to certain by cement, sand, water
Composition and division in a proportion is mixed and stirred and is formed, and match ratio is 1:3:0.5～0.7；
F. the layout of porus excretorius: arrange that on the dam body of blocking dam 3～4 rows are the porus excretorius of isosceles triangle distribution, its aperture
Size width × height=0.5 × 1.0m, level interval is 3～4m, and vertical clear spacing is 3～4m, and bottom several rows of to let out hole close
The earth's surface elevation of primitive groove paddy, the vertical discrepancy in elevation≤1.0m；
G. the setting of downflow weir: set open weir at the top of blocking dam, and centrally arranged, in water in the middle of spillwag chute
Flat, it is 10%～20% to extend to both sides with longitudinal slope i；
H. the anti-setting washing in a pan hole: next-door neighbour key-wall downstream is provided with anti-hole of washing in a pan, anti-wash in a pan hole in fill up integrity preferably, block footpath not
Less than 60cm boulder.
The beneficial effects of the utility model are: this utility model uses the version of " gold contracted payment ", solves mud-rock flow
The problem that in improvement, blocking dam structure is loose, construction investment is high, the design of its structure is simple, it is convenient, safe and reliable to construct, and has relatively
Strong practicality.
Accompanying drawing explanation
Fig. 1 is upstream side elevation view of the present utility model.
Fig. 2 is profile of the present utility model.
Detailed description of the invention
As shown in Figure 1 and Figure 2, a kind of economical mud-rock flow blocking dam structure of the present embodiment, height is blocked less than 10m
Dam, foundation plane 1 be excavated to bedrock surface or suitably under dig；For highly blocking dam more than 10m, foundation plane 1 is excavated to weak wind
Change upper end.
In the present embodiment, the dam body of blocking dam is by being arranged on base of dam key-wall 3, being wrapped in the dam of whole blocking dam outer surface
Body concrete 4, it is filled in the concrete segment stone 5 within blocking dam, and the some excretions being arranged on dam body in isosceles triangle
Hole 6；The top of blocking dam sets open type, centrally arranged downflow weir 7, in level in the middle of this spillwag chute, and with longitudinal slope i is
10%～20% extends to both sides；Key-wall 3 anchors with on foundation plane 1 by going deep into the joint bar 2 of basement rock, is close to this key-wall downstream
It is provided with anti-naughty hole 8.
Wherein, joint bar 2 is in rectangular layout, and an array pitch is 2～3m, a diameter of 25mm, and joint bar gos deep into basement rock 1～3m, exposes
A length of 0.5m；Key-wall 3 degree of depth h is 2～5m；Dam concrete 4 uses C20 concrete, and thickness d is 1～2m；Concrete segment
In stone 5, less than 0.5% and block rock land is hard for the block footpath >=200mm of block stone, clay content；Its fine concrete by cement,
Sand, water mix and stir according to certain match ratio and form, and match ratio is 1:3:0.5～0.7；Port size width × the height of porus excretorius 6=
0.5 × 1.0m, level interval is 3～4m, and vertical clear spacing is 3.0～4.0m, and bottom several rows of hole 6 of letting out is close to primitive groove paddy
Earth's surface elevation, the vertical discrepancy in elevation≤1.0m；Anti-washing in a pan cheats the boulder being filled with block footpath >=60cm in 8.
For the height blocking dam less than 10m, the construction method of the present embodiment, comprise the following steps:
A. the excavation of foundation plane 1: the structure of blocking that Controlling Debris Flow is relevant, common engineering grade is relatively low, therefore foundation plane 1
Do not have conventional concrete gravity dam requirement strict；When blocking dam height is less than 10m, foundation plane 1 is excavated to bedrock surface, right
The rock that Yu Yushui easily softens, foundation plane 1 can suitably under dig；For making blocking dam uniform force, foundation plane 1 requires smooth-going as far as possible,
Avoid the occurrence of bigger fluctuating；
B. the layout of joint bar 2: for guaranteeing the stability of blocking dam, the simultaneously build of less blocking dam, on blocking dam basis
Joint bar 2 is set, it is desirable to go deep into basement rock 1～3m, comprehensively determines with specific reference to the height of dam of blocking dam, scale etc.；Joint bar 2 protruded length
For about 0.5m, in order to dam body reinforcement welding；Joint bar 2 diameter is typically no less than φ 25, and an array pitch is 2～3m, rectangular cloth
Put；Joint bar 2 row determines according to blocking dam height of dam, and when blocking dam height is less than 10m, the two socket muscle that are typically arranged in parallel are i.e.
Can；
C. the setting of key-wall 3: for strengthening the stability of blocking dam self, prevents mud-rock flow from passing through after blocking dam base of dam
Scour, key-wall 3 is arranged at the base of dam of blocking dam, and anchors with on foundation plane 1 by going deep into the joint bar 2 of basement rock, and degree of depth h is general
It is 2～5m；Comprehensively determine with specific reference to the height of dam of blocking dam, scale etc.；Key-wall 3 requires to be seated on basement rock, and by joint bar 2
It is connected firmly with basement rock；
D. the pouring of dam concrete 4: blocking dam uses the version of " gold contracted payment ", to reduce the use of concrete
Amount；Dam concrete 4 is wrapped in the outer surface of whole blocking dam, uses C20 concrete, and thickness d is generally 1～2m, due to dam
Body concrete 4 is the template of follow-up concrete segment stone 5, and therefore the pouring quality of dam concrete 4 is the most important, avoid
There are the mass defects such as crack in dam concrete 4；
E. the construction of concrete segment stone 5: the obturator of concrete segment stone 5 predominantly blocking dam, to outside dam body
Concrete 4 plays the effects such as support；With dam concrete 4 as template, the concrete filling C15 fine aggregate inside blocking dam is built
Block stone 5, after dam concrete 4 reaches design strength, starts the construction of concrete segment stone 5, first block clitter is put in dam
Design section in the middle part of body, then cement mortar is poured into wherein, utilize the high flowing of cement mortar, resistant to separation performance good and gravity flow
Dynamic feature, random filling in the block stone that particle diameter is bigger；Concrete segment stone 5 is by block stone, the mutual glue of C15 fine concrete
Knot forms, and is similar to rock-fill concrete, but construction technology, designing technique index are low compared with rock-fill concrete；In concrete segment stone 5
Block stone, it is desirable to block footpath not less than 200mm, clay content less than 0.5% and block rock land hard；Fine concrete is by water
Mud, sand, water mix and stir according to certain match ratio and form, and general match ratio is 1:3:0.5～0.7；
F. the layout of porus excretorius 6: hydrops before the porus excretorius 6 of dam body predominantly excretion dam, port size is generally 0.5 ×
1.0m (wide × high), concrete width can calculate according to following formula and determine；Porus excretorius level interval is generally 3～4m；For blocking dam
Height of dam less than the engineering of 10m, dam body porus excretorius 6 typically arranges 2～3 rows；Vertical clear spacing is generally 3.0～4.0m, in product
Font is arranged, bottom row's dam body porus excretorius 6 is close with the earth's surface elevation of primitive groove paddy, the general discrepancy in elevation no more than 1.0m apart,
It is easy to the hydrops getting rid of in cheuch in time；
G. the setting of downflow weir 7: blocking dam top sets open weir 7, and centrally arranged, in water in the middle of spillwag chute
Flat, extend to both sides with longitudinal slope i, generally i is 10%～20%；In construction, it should be ensured that the surface of downflow weir 7 is put down
Sliding, for the engineering that blocking dam height is bigger, optionally scour and abrasion resistant concrete should be increased on downflow weir 7 surface；
The design of downflow weir 7 port size rule of thumb and combines dam body length, orographic condition etc. and drafts preliminary width
B, then calculated by following formula to analyze and just intend whether size B meets design requirement；
In formula: By-downflow weir clear span, m；
Q-weir discharge, m3/s；
C-upstream batter affects coefficient, takes C=0.999；
M-discharge coefficient, takes m=0.498；
ε-side constriction coefficient, 0.9～0.95, take 0.9；
σs-flood coefficient, do not flood and take σs=1；
Hw-weir crest is with headwater depth, m；
H. anti-hole 8 of washing in a pan is designed: for preventing the mud-rock flow let out under the high speed scour to base of dam of blocking, at next-door neighbour key-wall 3 position
Anti-hole 8 of washing in a pan is set, anti-wash in a pan hole in fill up boulder, wherein boulder require integrity preferably, block footpath is not less than 60cm.
For highly blocking dam more than 10m, the construction method of the present embodiment, comprise the following steps:
A. the excavation of foundation plane 1: the structure of blocking that Controlling Debris Flow is relevant, common engineering grade is relatively low, therefore foundation plane 1
Do not have conventional concrete gravity dam requirement strict；When the height of blocking dam is more than 10m, foundation plane 1 requires to be excavated to weak air slaking
Upper end；For making blocking dam uniform force, foundation plane 1 requires smooth-going as far as possible, it is to avoid bigger fluctuating occur；
B. the layout of joint bar 2: for guaranteeing the stability of blocking dam, the simultaneously build of less blocking dam, on blocking dam basis
Joint bar 2 is set, it is desirable to go deep into basement rock 1～3m, comprehensively determines with specific reference to the height of dam of blocking dam, scale etc.；Joint bar 2 protruded length
For about 0.5m, in order to dam body reinforcement welding；Joint bar 2 diameter is typically no less than φ 25, and an array pitch is 2～3m, rectangular cloth
Put；Joint bar 2 row determines according to blocking dam height of dam, when blocking dam height of dam is more than 10m, and general layout 3～4 rows；
C. the setting of key-wall 3: for strengthening the stability of blocking dam self, prevents mud-rock flow from passing through after blocking dam base of dam
Scour, key-wall 3 is arranged at the base of dam of blocking dam, and anchors with on foundation plane 1 by going deep into the joint bar 2 of basement rock, and degree of depth h is general
It is 2～5m；Comprehensively determine with specific reference to the height of dam of blocking dam, scale etc.；Key-wall 3 requires to be seated on basement rock, and by joint bar 2
It is connected firmly with basement rock；
D. the pouring of dam concrete 4: blocking dam uses the version of " gold contracted payment ", to reduce the use of concrete
Amount；Dam concrete 4 is wrapped in the outer surface of whole blocking dam, uses C20 concrete, and thickness d is generally 1～2m, due to dam
Body concrete 4 is the template of follow-up concrete segment stone 5, and therefore the pouring quality of dam concrete 4 is the most important, avoid
There are the mass defects such as crack in dam concrete 4；
E. the construction of concrete segment stone 5: the obturator of concrete segment stone 5 predominantly blocking dam, to outside dam body
Concrete 4 plays the effects such as support；With dam concrete 4 as template, the concrete filling C15 fine aggregate inside blocking dam is built
Block stone 5, after dam concrete 4 reaches design strength, starts the construction of concrete segment stone 5, first block clitter is put in dam
Design section in the middle part of body, then cement mortar is poured into wherein, utilize the high flowing of cement mortar, resistant to separation performance good and gravity flow
Dynamic feature, random filling in the block stone that particle diameter is bigger；Concrete segment stone 5 is by block stone, the mutual glue of C15 fine concrete
Knot forms, and is similar to rock-fill concrete, but construction technology, designing technique index are low compared with rock-fill concrete；In concrete segment stone 5
Block stone, it is desirable to block footpath not less than 200mm, clay content less than 0.5% and block rock land hard；Fine concrete is by water
Mud, sand, water mix and stir according to certain match ratio and form, and general match ratio is 1:3:0.5～0.7, the higher or scale for height of dam
Bigger blocking dam engineering, should determine its match ratio by correlation test；
F. the layout of porus excretorius 6: hydrops before dam body porus excretorius 6 predominantly excretion dam, port size is generally 0.5 × 1.0m
(wide × high), concrete width can calculate according to following formula and determine；Porus excretorius level interval is generally 3～4m；Dam for blocking dam
Tall and big in the engineering of 10m, dam body porus excretorius 6 typically arranges 3～4 rows, and vertical clear spacing is generally 3.0～4.0m, in isosceles triangle
Arranging, bottom row's dam body porus excretorius 6 is close with the earth's surface elevation of primitive groove paddy, and the general discrepancy in elevation is at a distance of no more than 1.0m, it is simple to
Get rid of the hydrops in cheuch in time；
G. blocking dam top sets open weir 7, and centrally arranged, in level in the middle of spillwag chute, with longitudinal slope i to two
Side extends, and generally i is 10%～20%；In construction, it should be ensured that the surface of downflow weir 7 smooths, for blocking dam height
Bigger engineering, optionally should increase scour and abrasion resistant concrete on downflow weir 7 surface；
The design of downflow weir 7 port size rule of thumb and combines dam body length, orographic condition etc. and drafts preliminary width
B, then calculated by following formula to analyze and just intend whether size B meets design requirement；
In formula: By-downflow weir clear span, m；
Q-weir discharge, m3/s；
C-upstream batter affects coefficient, takes C=0.999；
M-discharge coefficient, takes m=0.498；
ε-side constriction coefficient, 0.9～0.95, take 0.9；
σs-flood coefficient, do not flood and take σs=1；
Hw-weir crest is with headwater depth, m；
H. anti-hole 8 of washing in a pan is designed: for preventing the mud-rock flow let out under the high speed scour to base of dam of blocking, at next-door neighbour key-wall 3 position
Anti-hole 8 of washing in a pan is set, anti-wash in a pan hole 8 in fill up boulder, wherein boulder require integrity preferably, block footpath is not less than 60cm.
Claims (7)
1. an economical mud-rock flow blocking dam structure, has the foundation plane (1) excavated, it is characterised in that: described blocking dam
Dam body by being arranged on the key-wall (3) of base of dam, being wrapped in the dam concrete (4) of whole blocking dam outer surface, be filled in and block
Concrete segment stone (5) within dam, and some porus excretoriuses (6) composition being arranged on dam body in isosceles triangle；Described block
The top of dam sets open type, centrally arranged downflow weir (7), in level in the middle of this spillwag chute, and with longitudinal slope i be 10%～
20% extends to both sides；Described key-wall (3) is anchored on foundation plane (1) by going deep into the joint bar (2) of basement rock, is close under this key-wall
Trip side is provided with anti-washing in a pan and cheats (8).
Economical mud-rock flow blocking dam structure the most according to claim 1, it is characterised in that: described joint bar (2) is rectangular
Arranging, an array pitch is 2～3m, a diameter of 25mm, and joint bar gos deep into basement rock 1～3m, protruded length is 0.5m；Described key-wall (3) is deep
Degree h is 2～5m.
Economical mud-rock flow blocking dam structure the most according to claim 2, it is characterised in that: described dam concrete (4)
Using C20 concrete, thickness d is 1～2m；In concrete segment stone (5), the block footpath >=200mm of block stone, clay content are less than
0.5% and block rock land hard；Its fine concrete is mixed and stirred according to certain match ratio by cement, sand, water and forms, and coordinates
Ratio is 1:3:0.5～0.7.
Economical mud-rock flow blocking dam structure the most according to claim 3, it is characterised in that: the hole of described porus excretorius (6)
Mouth size width × height=0.5 × 1.0m, level interval is 3～4m, and vertical clear spacing is 3～4m, and bottom is several rows of lets out hole (6)
Close to the earth's surface elevation of primitive groove paddy, the vertical discrepancy in elevation≤1.0m.
Economical mud-rock flow blocking dam structure the most according to claim 4, it is characterised in that: fill out in described anti-naughty hole (8)
There is the boulder of block footpath >=60cm.
Economical mud-rock flow blocking dam structure the most according to claim 5, it is characterised in that: for height less than 10m's
Blocking dam, described foundation plane (1) be excavated to bedrock surface or suitably under dig.
Economical mud-rock flow blocking dam structure the most according to claim 5, it is characterised in that: for highly more than 10m's
Blocking dam, described foundation plane (1) is excavated to weak air slaking upper end.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926544A (en) * | 2016-06-24 | 2016-09-07 | 中国电建集团华东勘测设计研究院有限公司 | Economical debris flow blocking dam structure and construction method thereof |
| CN108221876A (en) * | 2018-02-08 | 2018-06-29 | 吕桂兰 | A kind of hydraulic engineering flood discharge antiseepage dam |
| CN108396711A (en) * | 2018-01-25 | 2018-08-14 | 昆明理工大学 | A kind of detachable gravity dam and its construction, method for dismounting |
| CN108560490A (en) * | 2018-04-24 | 2018-09-21 | 重庆大学 | A kind of sandwich type mud-rock flow blocking dam and its construction method |
| CN111305159A (en) * | 2020-03-05 | 2020-06-19 | 中钢集团马鞍山矿山研究总院股份有限公司 | Flexible permeable debris flow blocking dam |
-
2016
- 2016-06-24 CN CN201620665419.3U patent/CN205857134U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926544A (en) * | 2016-06-24 | 2016-09-07 | 中国电建集团华东勘测设计研究院有限公司 | Economical debris flow blocking dam structure and construction method thereof |
| CN108396711A (en) * | 2018-01-25 | 2018-08-14 | 昆明理工大学 | A kind of detachable gravity dam and its construction, method for dismounting |
| CN108396711B (en) * | 2018-01-25 | 2020-04-07 | 昆明理工大学 | Detachable gravity dam and construction and dismantling method thereof |
| CN108221876A (en) * | 2018-02-08 | 2018-06-29 | 吕桂兰 | A kind of hydraulic engineering flood discharge antiseepage dam |
| CN108560490A (en) * | 2018-04-24 | 2018-09-21 | 重庆大学 | A kind of sandwich type mud-rock flow blocking dam and its construction method |
| CN111305159A (en) * | 2020-03-05 | 2020-06-19 | 中钢集团马鞍山矿山研究总院股份有限公司 | Flexible permeable debris flow blocking dam |
| CN111305159B (en) * | 2020-03-05 | 2022-03-15 | 中钢集团马鞍山矿山研究总院股份有限公司 | Flexible permeable debris flow blocking dam |
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