CN209339104U - The perpendicular rib crib dam of elasticity - Google Patents

The perpendicular rib crib dam of elasticity Download PDF

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Publication number
CN209339104U
CN209339104U CN201821857239.0U CN201821857239U CN209339104U CN 209339104 U CN209339104 U CN 209339104U CN 201821857239 U CN201821857239 U CN 201821857239U CN 209339104 U CN209339104 U CN 209339104U
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China
Prior art keywords
rib
seat
row
elasticity
heel row
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CN201821857239.0U
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Chinese (zh)
Inventor
刘兴荣
魏新平
张吉儒
孔令峰
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Geological Natural Disaster Prevention Research Institute Gansu Academy Of Sciences
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Geological Natural Disaster Prevention Research Institute Gansu Academy Of Sciences
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Abstract

The utility model provides a kind of perpendicular rib crib dam of elasticity, it include: that the perpendicular rib in front row of multiple elasticity and multiple rigid heel row erect rib, multiple front-seat perpendicular ribs are in line along first straight line, multiple heel row erect rib and are in line along second straight line, multiple perpendicular ribs in front row and multiple heel row erect rib and press delta structure interlaced arrangement in top plan view, and two neighboring front row is erected between rib, two neighboring heel row erects rib and rib is erected at an adjacent front row and a heel row erects and passes through attachment beam connection between rib.The utility model structure is simple, it is easy for installation quickly, it is at low cost with with dress;Wherein, it is the perpendicular rib of elasticity that a row of upstream, which erects rib, can substantially increase materials of debris flow and dam body time of contact, so that the impulsive force of mud flow be obviously reduced, it is the perpendicular rib of rigidity that a row in downstream, which erects rib, it is ensured that dam stabilization;The perpendicular rib of elasticity uses perforation of boring machine, and the perpendicular rib of rigidity is not had to large area and excavated using artificial job-hopping aperture, reduces riverbed disturbance, and reduce spoir.

Description

The perpendicular rib crib dam of elasticity
Technical field
The utility model mud-rock flow blocking technique field, more particularly to a kind of perpendicular rib crib dam of elasticity.
Background technique
Crib dam is mainly laid in landslide, avalanche downstream, and key dam upstream, channel gradient is big, boulder in channel, megalith, The ditch section of the integrated distributions such as erratic boulder, drift wood.Its main function is to retain landslide in ditch, the megalith that avalanche is formed, erratic block, drift wood etc. Large particulate matter controls the silt particle amount of going out, and prevents gully bed downcutting, mitigates the impact of large particle confrontation downstream structures or key dam And damage.
Currently, mostly reinforcing its security performance for the design of crib dam to increase its rigidity, in this way, on the one hand increasing Investment, while increasing rigidity, the impact force that dam body itself is subject to is also just corresponding to be increased another aspect dam body.
Utility model content
The utility model aim is to provide a kind of perpendicular rib crib dam of elasticity, mostly uses steel to solve existing crib dam engineering Reinforced concrete, which pours, causes construction cost to increase, foundation excavation rear screed is filled out and not firm causes seepage failure and broken by strong impact force One of bad problem.
The utility model provides a kind of perpendicular rib crib dam of elasticity, comprising: erects rib and multiple rigidity in the front row of multiple elasticity Heel row erect rib, the multiple front-seat perpendicular rib is in line along first straight line, and the multiple heel row is erected rib and lined up along second straight line A line, the multiple front-seat perpendicular rib and multiple heel row erect rib and press delta structure interlaced arrangement in top plan view, two neighboring Between the front-seat perpendicular rib, the two neighboring heel row erects rib and rib and a heel row are erected in adjacent one front row It is connected by attachment beam between perpendicular rib.
Preferably, the first row between the two neighboring front-seat perpendicular rib is away between, the two neighboring front-seat perpendicular rib Second line-spacing and the multiple front-seat perpendicular rib being arranged in a row along the first straight line be arranged in a row along the second straight line The array pitch that the multiple heel row is erected between rib is all satisfied relationship defined by following formula:
B/Dm=1.5~2
Wherein, b be the first row away from or the second line-spacing or array pitch, Dm be mud-rock flow maximum particle diameter.
Preferably, the height for being located at ground line or more that the front-seat perpendicular rib and heel row erect rib meets:
H=(1~4) b
Wherein, h is the height, b be the first row away from or the second line-spacing or array pitch.
Preferably, 1/3 for being located at ground line depth below and being not less than front-seat perpendicular rib total length of the front-seat perpendicular rib, institute 1/3 for being located at ground line depth below and being not less than the perpendicular rib total length of heel row that heel row erects rib is stated, and the heel row erects the depth of rib Degree is greater than the depth of the front-seat perpendicular rib.
Preferably, meeting water for rib is erected in the front-seat perpendicular rib and heel row side and in the front-seat perpendicular rib and heel row erect rib The equal grade of land side is furnished with multi beam steel pipe reinforcement beam, and the front-seat perpendicular rib and heel row erect the steel pipe reinforcement beam of the side that meets water of rib by 2 grades Match, the steel pipe reinforcement beam of the land side of the front-seat perpendicular rib and the perpendicular rib of heel row presses 1 gradation, and the front-seat perpendicular rib and heel row erect rib Part more than ground line is provided with perpendicular rib stirrup.
Preferably, the steel pipe reinforcement beam includes the reinforcing bar of steel pipe and more with the steel-pipe welding, the steel pipe and institute It states reinforcing bar and one entirety is connected by concrete cover, the circumferential direction inside and out the steel pipe is provided with more institutes State reinforcing bar.
Preferably, it is arc-shaped that the front-seat perpendicular rib and heel row, which erect the upstream face of rib,.
Preferably, multiple rows of main reinforcement is arranged in the upstream face that the front-seat perpendicular rib and heel row erect rib, and multiple rows of main reinforcement passes through more A arc surface stirrup connection.
Preferably, the attachment beam includes more lateral arrangements of reinforcement and the longitudinal direction Duo Gen stirrup.
Compared with prior art, the utility model it is a technical advantage that: the utility model structure is simple, easy for installation fast Speed, it is at low cost with with dress;Wherein, it is the perpendicular rib of elasticity that a row of upstream, which erects rib, can substantially increase materials of debris flow and connect with dam body The time is touched, so that the impulsive force of mud flow be obviously reduced, it is the perpendicular rib of rigidity that a row in downstream, which erects rib, it is ensured that dam stabilization;Elasticity Perpendicular rib uses perforation of boring machine, and the perpendicular rib of rigidity is not had to large area and excavated using artificial job-hopping aperture, reduces riverbed disturbance, and reduce Spoir.
Detailed description of the invention
Fig. 1 be the utility model relates to a kind of perpendicular rib crib dam designing technique of elasticity plan view;
Fig. 2 be the utility model relates to a kind of flexible perpendicular rib crib dam designing technique elevation;
Fig. 3 be the utility model relates to a kind of flexible perpendicular rib crib dam designing technique cross-sectional view;
Fig. 4 is that the elasticity that the utility model patent is related to erects rib arrangement of reinforcement;
Fig. 5 is the A-A cross-section diagram of Fig. 4;
Fig. 6 is the B-B cross-section diagram of Fig. 4;
Fig. 7 is steel pipe reinforcement cross-sectional view;
Fig. 8 is the C-C cross-section diagram of Fig. 7;
Fig. 9 is the perpendicular rib stirrup arrangement of reinforcement of elasticity;
Figure 10 is upstream face protection against erosion arc surface arrangement of reinforcement;
Figure 11 is perpendicular rib and girder connection reinforcement detailing figure;
Figure 12 is attachment beam reinforcement structure figure;
Figure 13 is the D-D cross-section diagram of Figure 12;
Figure 14 is connection beam stirrup figure.
Appended drawing reference: 1, the perpendicular rib crib dam of elasticity;2, front-seat perpendicular rib;3, heel row erects rib;4, attachment beam;5, ground line;6, Steel pipe reinforcement beam;7, rib stirrup is erected;8, concrete cover;9, steel pipe;10, steel pipe;11, arc surface stirrup;12, main reinforcement;13, Lateral arrangement of reinforcement;14, longitudinal stirrup.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3, the elasticity in the utility model erects rib crib dam 1 in crib dam plane using perpendicular Rib group lays, and every crib dam is longitudinally arranged 2 row of front and back, and perpendicular rib horizontal layout is in the shape of " pin ", is connected between perpendicular rib with attachment beam It connects, the dam foundation, dam body sectional dimension are 2.0mx3.0m, and the line-spacing of crib dam, array pitch, stake are long etc. to be determined by following principle: b/Dm= 1.5~2 (in formula: b is the array pitch and line-spacing of stake, and Dm is mud-rock flow maximum particle diameter);The high h of ground exposed parts stake be h=(1~ 4) b, and 3m≤h≤8m.Pile foundation should be embedded in basement rock hereinafter, its buried depth is no less than the 1/3 of total length, and heel row erects rib 3 Depth should be greater than front row 2.
As shown in Figure 4, Figure 5 and Figure 6, perpendicular rib meets water side (upstream side) by 2 gradation steel pipe reinforcement beams 6, and 2 row of front and back is 7 Beam;Perpendicular rib land side (downstream side) presses 1 gradation steel pipe reinforcement beam 6, is altogether 7 beams.5 above section of ground line matches perpendicular rib stirrup 7.
As shown in Figure 7 and Figure 8, steel pipe reinforcement beam 6 uses drilling machine at diameter for the hole 150mm, and then steel pipe reinforcement beam 6 sinks To bottom hole, then from 9 bottom high-pressure slip casting of steel pipe, so that all forming concrete cover 8 inside and outside steel pipe 9;The steel pipe reinforcement beam 6 UsingSteel pipe 9, interior outside respectively presses steel pipe circumference and averagely lays 4Reinforcing bar 10, reinforcing bar 10 and steel pipe 9 are using weldering The reinforcing bar 10 of the method connection connect, outside lays 1 welded connecting point every 1m, and 10 both ends of reinforcing bar in interior outside are intended to welding and connect It connects.
As shown in Figure 9 and Figure 10, it more than ground erects flank and lays stirrup 7, stirrup 7 usesReinforcing bar, spacing 200mm;The upstream face of the ground above section be it is arc-shaped, to reduce impact, cambered surface adds 2 row's main reinforcements 12,10 beam of outer layer, Every beam8 beams of interior survey, every beamArc surface stirrup 11 usesReinforcing bar, spacing 400mm;Perpendicular rib is mixed using C30 Solidifying soil pours, 8 thickness 120mm of concrete protective.
As shown in Figure 9 and Figure 10, all around adjacent perpendicular rib is connected with armored concrete attachment beam 4, lateral 13 side of arrangement of reinforcement Formula isLongitudinal stirrup 14 is using useReinforcing bar, spacing 200mm.
The construction procedure that elasticity in the utility model erects rib crib dam is as follows: (1) drilling machine pore-forming, hole are used at dam site Diameter 150mm;(2) steel pipe reinforcement beam is sunk to bottom hole;(3) from steel pipe bottom high-pressure slip-casting, make all to form concrete guarantor inside and outside steel pipe Sheath;(4) it carries out ground above section and erects the binding of rib stirrup and connection beam steel bar colligation;(5) formwork cast-in-place concrete protective layer.

Claims (9)

1. a kind of perpendicular rib crib dam of elasticity characterized by comprising the front row of multiple elasticity perpendicular rib (2) and it is multiple it is rigid after It arranges perpendicular rib (3), the multiple front-seat perpendicular rib (2) are in line along first straight line, and the multiple heel row erects rib (3) along second straight line It is in line, the multiple front-seat perpendicular rib (2) and multiple heel row perpendicular rib (3) are interlocked cloth in top plan view by delta structure It sets, between two neighboring front-seat perpendicular rib (2), the two neighboring heel row erects rib (3) and adjacent one described front-seat perpendicular Rib (2) and a heel row are erected to be connected by attachment beam (4) between rib (3).
2. the perpendicular rib crib dam of elasticity according to claim 1, which is characterized in that two neighboring front-seat perpendicular rib (2) it Between the first row be arranged in a row away from, the second line-spacing between two neighboring front-seat perpendicular rib (2) and along the first straight line The multiple front-seat array pitch erecting rib (2) and erecting between rib (3) along the multiple heel row that the second straight line is arranged in a row is equal Meet relationship defined by following formula:
B/Dm=1.5~2
Wherein, b be the first row away from or the second line-spacing or array pitch, Dm be mud-rock flow maximum particle diameter.
3. the perpendicular rib crib dam of elasticity according to claim 2, which is characterized in that front-seat perpendicular rib (2) and heel row erect rib (3) the height for being located at ground line (5) or more meets:
H=(1~4) b
Wherein, h is the height, b be the first row away from or the second line-spacing or array pitch.
4. the perpendicular rib crib dam of elasticity according to claim 2, which is characterized in that front-seat perpendicular rib (2) are located at ground 1/3 of line (5) depth below not less than front-seat perpendicular rib (2) total length, the heel row erect rib (3) positioned at ground line (5) with Under depth erect the 1/3 of rib (3) total length not less than heel row, and the heel row erects the depth of rib (3) and is greater than the front-seat perpendicular rib (2) depth.
5. the perpendicular rib crib dam of elasticity according to claim 1, which is characterized in that perpendicular in front-seat perpendicular rib (2) and heel row Meeting water for rib (3) and is furnished with multi beam steel pipe reinforcement beam in the equal grade of land side that rib (3) are erected in front-seat perpendicular rib (2) and heel row at side (6), front-seat perpendicular rib (2) and heel row erect the steel pipe reinforcement beam (6) of the side that meets water of rib (3) by 2 gradations, the front-seat perpendicular rib (2) and the steel pipe reinforcement beam (6) of the land side of heel row perpendicular rib (3) presses 1 gradation, and front-seat perpendicular rib (2) and heel row erect rib (3) Part more than ground line (5) is provided with perpendicular rib stirrup (7).
6. the perpendicular rib crib dam of elasticity according to claim 5, which is characterized in that the steel pipe reinforcement beam (6) includes steel pipe (9) and more with the steel pipe (9) welding reinforcing bars (10), the steel pipe (9) and the reinforcing bar (10) pass through concrete protective Layer (8) connects into an entirety, and the circumferential direction inside and out the steel pipe (9) is provided with the more reinforcing bars (10).
7. the perpendicular rib crib dam of elasticity according to claim 6, which is characterized in that front-seat perpendicular rib (2) and heel row erect rib (3) upstream face is arc-shaped.
8. the perpendicular rib crib dam of elasticity according to claim 7, which is characterized in that front-seat perpendicular rib (2) and heel row erect rib (3) multiple rows of main reinforcement (12) is arranged in upstream face, and multiple rows of main reinforcement (12) is connected by multiple arc surface stirrups (11).
9. the perpendicular rib crib dam of elasticity according to claim 1, which is characterized in that the attachment beam (4) includes more transverse directions Arrangement of reinforcement (13) and more longitudinal stirrups (14).
CN201821857239.0U 2018-11-12 2018-11-12 The perpendicular rib crib dam of elasticity Active CN209339104U (en)

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Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111926770A (en) * 2020-08-12 2020-11-13 兰州理工大学 Damping energy-consumption debris flow grid dam and construction method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111926770A (en) * 2020-08-12 2020-11-13 兰州理工大学 Damping energy-consumption debris flow grid dam and construction method thereof

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