CN209323512U - Anchor cable structure in flood discharge energy dissipation rivers erode district - Google Patents
Anchor cable structure in flood discharge energy dissipation rivers erode district Download PDFInfo
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- CN209323512U CN209323512U CN201822041513.3U CN201822041513U CN209323512U CN 209323512 U CN209323512 U CN 209323512U CN 201822041513 U CN201822041513 U CN 201822041513U CN 209323512 U CN209323512 U CN 209323512U
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- 230000021715 photosynthesis, light harvesting Effects 0.000 title abstract 3
- 239000011435 rock Substances 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 238000010276 construction Methods 0.000 abstract description 12
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000009991 scouring Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 4
- 239000010959 steel Substances 0.000 abstract 4
- 206010044565 Tremor Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010023203 Joint destruction Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 230000010349 pulsation Effects 0.000 description 1
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Abstract
An anchor cable structure of a flood discharge and energy dissipation water flow scouring area relates to the field of hydroelectric engineering construction. The utility model discloses the setting is in structures and rock mass foundation intersection, this anchor rope structure of its characterized in that includes interior anchor head, the anchor rope body and consolidates outer anchor head, interior anchor head, the anchor rope body is connected with the outer anchor head order of reinforcement, it includes embedded anchor pier head and dowel steel to consolidate outer anchor head, embedded anchor pier head sets up inside structures, hug closely rock mass foundation surface, embedded dowel steel is respectively buried in top and the bottom of embedded anchor pier head, dowel steel one end is buried inside embedded anchor pier head, and with the reinforcing bar welding of embedded anchor pier head, the dowel steel other end is buried inside structures, with the structure reinforcing bar welding. The utility model discloses consolidate in advance the basic rock mass, strengthened the wholeness and the stability of slope basic rock mass, reduced the safe risk of construction period, do not influence the construction of follow-up flood discharge energy dissipation rivers washout district structures simultaneously again, still can improve the wholeness and the surface smoothness that improve the building.
Description
Technical field
The utility model relates to construction of hydropower plant field, the outer anchor head of especially a kind of anchor cable forms one together with structures
A entirety, not only side slope was reinforced, but also increased the anchor cable structure in the flood-discharge energy-dissipating current scour area of structures stability.
Background technique
With the fast development of China's builds to foundation engineering project, prestressed anchor reinforcement technology is widely used to build
The engineerings such as reinforcing, Slope Treatment, large underground hole and the deep foundation pit support of object have especially obtained in hydraulic and hydroelectric engineering construction
It is used to a large amount of.For example, nearby rock mass generates joint cutting and adverse slope to dam body, stability decline need to do consolidation process.Pass through anchor
After rope applies prestressing force to rock stratum, several rock stratum can be worn and are linked togather by prestress anchorage cable, increase rock stratum globality.Due to answering in advance
The effect of power can also be such that frictional resistance between rock stratum increases, to enhance the stability of rock stratum and improve bearing capacity.Sometimes rock stratum is
Make that there is no joint destructions, but for the Degree of Safety of slope rock mass, it is also desirable to prestressing anchor support.
Currently used prestress anchorage cable is generally collectively constituted by Inner bolt head, anchor cable body and outer anchor head three parts, and its
China and foreign countries' anchor head is usually the outer holding force end being made of a bit of Shu Tiyu work anchor slab, anchor pier etc..When structures need to build shakiness in
On the basis of determining rock mass, rock mass and structures need to synchronous reinforcing when, it is general to be arranged on structures using by outer anchor head, in structures
After the completion of construction, then the mode of construction prestressed cable is carried out, outer anchor head can protrude on structures surface at this time.Sometimes for structure
Build object surface it is smooth with it is beautiful, outer anchor head can be also arranged in preformed groove on structures there are preformed groove, to anchor cable
Preformed groove is backfilled again after drawing.But for both modes in flood-discharge energy-dissipating current scour area, there are exposed anchor heads to be unable to water resistant
Stream washes away or preformed groove fill concrete contraction the problem of cannot resisting current scour, when often result in failure of cable or structures are whole
Unstability has biggish security risk.In addition, in flood-discharge energy-dissipating current scour area, for resist water flow to structures wash away with
Pulsation pressure difference draws brush effect, and the globality and surface smoothness to structures concrete require also more strictly, above two
First usual way destroys the globality of abrasion resistance concrete, second energy dissipating plot structure concrete surface flatness, which is not met, wants
It asks, is easy to destroy structures because cavitating, drawing the problems such as brush.
Summary of the invention
To be solved in the utility model is exactly currently used prestress anchorage cable in flood-discharge energy-dissipating current scour area, knot
Structure exists and cannot be reinforced side slope rock mass in advance, and exposed anchor head anti-cavitation, scouring capability are insufficient, when often result in outer anchor head gas
It the damage inactivations such as loses, wash away, while exposed anchor head influences structures globality and surface smoothness, there is larger cavitation erosion peace
The problem of full blast danger provides a kind of outer anchor head of anchor cable and forms an entirety with structures together with, and not only side slope was reinforced, but also increasing
Add the anchor cable structure in the flood-discharge energy-dissipating current scour area of structures stability.
The anchor cable structure in the flood-discharge energy-dissipating current scour area of the utility model, setting cross in structures and rock mass basis
Place, it is characterised in that the anchor cable structure includes Inner bolt head, anchor cable body and the outer anchor head of reinforcing, Inner bolt head, anchor cable body and the outer anchor of reinforcing
Head is linked in sequence, and reinforcing outer anchor head includes embedded anchor pier head and joint bar, and embedded anchor pier head is arranged inside structures, is close to
Pre- doweling is distinguished in rock mass surface of base, the top and bottom of embedded anchor pier head, and joint bar one end is embedded in embedded anchor pier head
Portion, and the reinforcement welding with embedded anchor pier head, the joint bar other end is embedded to inside structures, with structures reinforcement welding.
Embedded anchor pier head and anchor cable can construct after rock mass base surface is excavated, cleaned out, in time to shakiness
Determine rock mass to be reinforced, improves side slope overall stability；After the completion of the construction of external structures, the outer anchor head of anchor cable and structures one
Road forms an entirety, and not only side slope had carried out timely reinforcing, but also increased the stability of structures.
The anchor cable structure in the flood-discharge energy-dissipating current scour area of the utility model, structure is simple, design science, easy to use,
By the setting of outer anchor head in structures and rock mass basis intersection, anchor cable structure can be made to construct prior to structures, to basic rock mass
It is reinforced in advance, strengthens the globality and stability of side slope basis rock mass, reduce the security risk of construction time, while again
The globality and surfacing for improving building also can be improved in the construction for not influencing subsequent flood-discharge energy-dissipating current scour area structures
Degree；Structures and embedded anchor pier head are linked together by setting joint bar, and make side slope basis rock mass and flood discharge by anchor cable structure
Energy dissipating current scour area's structure structure forms the coaction body combined closely, and improves flood-discharge energy-dissipating current scour plot structure
Overall stability and safety.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Wherein, rock mass 1, structures 2, embedded anchor pier head 3, reinforcing bar 4, joint bar 5, anchor cable body 6.
Specific embodiment
Embodiment 1: a kind of anchor cable structure in flood-discharge energy-dissipating current scour area, setting cross in structures 2 and 1 basis of rock mass
Place, the anchor cable structure include Inner bolt head, anchor cable body 6 and reinforce outer anchor head, and Inner bolt head, anchor cable body 6 connect with outer anchor head sequence is reinforced
It connects, reinforcing outer anchor head includes embedded anchor pier head 3 and joint bar 5, and embedded anchor pier head 3 is arranged inside structures 2, is close to rock mass
Pre- doweling 5 is distinguished in 1 surface of base, the top and bottom of embedded anchor pier head 3, and 5 one end of joint bar is embedded in embedded anchor pier head 3
Portion, and welded with the reinforcing bar 4 of embedded anchor pier head 3,5 other end of joint bar is embedded to inside structures 2, is welded with 2 reinforcing bar 4 of structures
It connects.
Embedded anchor pier head 3 and anchor cable can construct after 1 base surface of rock mass is excavated, cleaned out, in time to not
Rock mass stability 1 is reinforced, and side slope overall stability is improved；After the completion of the construction of external structures 2, the outer anchor head of anchor cable with construct
One of object 2 formation, one entirety, not only side slope had carried out timely reinforcing, but also increased the stability of structures 2.
It is illustrated so that Huang steps on power station cushion pool side shore protection slope surface as an example.
The anchor cable structure is set to cushion pool side shore protection slope surface basis rock mass 1 and concrete lining structure intersection,
After slope is than the shore protection slope surface foundation excavation for 1:0.5~1:0.2,1000kN/1800kN grades of prestress anchorage cables are used in time
Shore protection slope surface basis rock mass 1 is reinforced in advance, the globality and stability of basic rock mass 1 is improved, reduces construction period
Security risk；Embedded anchor pier head 3 is poured in basic 1 surface of rock mass, and anchor cable passes through embedded anchor pier head 3 and extends to 1 base of rock mass
Plinth depths；When embedded anchor pier head 3 pours, in the embedded 3 pre- doweling 5 in top and bottom of anchor pier head, 5 one end of joint bar is buried
Entering inside embedded anchor pier head 3, and is welded with anchor pier head reinforcing bar 4, the other end stretches out in outside embedded 3 figure of anchor pier head, to
It is welded when later period pours cushion pool structural concrete with 28 reinforcing bar 4 of Φ inside liner structure；It can be into after anchorage cable stretching
Row liner structure concrete pours, and embedded anchor pier head 3 will be fully wrapped around by liner structure concrete at this time, is embedded in lining cutting
Inside configuration is integrally formed embedded anchor pier head 3 with liner structure, forms the smooth cushion pool protective slope structure body in surface.By
It is embedded in inside liner structure in embedded anchor pier head 3, after the completion of cushion pool liner structure concreting, flood discharge can be promoted and disappeared
The integrality and surface smoothness of energy current scour area liner structure, improve structure antiscour and anti-cavitation ability.Meanwhile passing through
Anchor cable structure makes basic rock mass 1 form the coaction body combined closely with cushion pool liner structure, improves cushion pool shore protection
Overall stability.
Claims (1)
1. a kind of anchor cable structure in flood-discharge energy-dissipating current scour area is arranged in structures (2) and the basic intersection of rock mass (1),
It is characterized in that the anchor cable structure includes Inner bolt head, anchor cable body (6) and the outer anchor head of reinforcing, Inner bolt head, anchor cable body (6) and the outer anchor of reinforcing
Head is linked in sequence, and reinforcing outer anchor head includes embedded anchor pier head (3) and joint bar (5), and embedded anchor pier head (3) is arranged in structures
(2) internal, it is close to rock mass (1) surface of base, pre- doweling (5), joint bar are distinguished in the top and bottom of embedded anchor pier head (3)
(5) it is internal to be embedded to embedded anchor pier head (3) for one end, and welds with the reinforcing bar (4) of embedded anchor pier head (3), joint bar (5) other end
It is embedded to structures (2) inside, is welded with structures (2) reinforcing bar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822041513.3U CN209323512U (en) | 2018-12-06 | 2018-12-06 | Anchor cable structure in flood discharge energy dissipation rivers erode district |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822041513.3U CN209323512U (en) | 2018-12-06 | 2018-12-06 | Anchor cable structure in flood discharge energy dissipation rivers erode district |
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| Publication Number | Publication Date |
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| CN209323512U true CN209323512U (en) | 2019-08-30 |
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| CN201822041513.3U Active CN209323512U (en) | 2018-12-06 | 2018-12-06 | Anchor cable structure in flood discharge energy dissipation rivers erode district |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519530A (en) * | 2020-04-30 | 2020-08-11 | 中铁大桥勘测设计院集团有限公司 | Pier head type tunnel anchor and construction method |
| CN114809040A (en) * | 2022-06-09 | 2022-07-29 | 中国电建集团中南勘测设计研究院有限公司 | Slope reinforcing structure and construction method thereof |
| CN115748740A (en) * | 2022-12-21 | 2023-03-07 | 华能澜沧江水电股份有限公司 | Ditch and valley large-span inward concave arch type reinforced earth retaining wall supporting method |
-
2018
- 2018-12-06 CN CN201822041513.3U patent/CN209323512U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519530A (en) * | 2020-04-30 | 2020-08-11 | 中铁大桥勘测设计院集团有限公司 | Pier head type tunnel anchor and construction method |
| CN114809040A (en) * | 2022-06-09 | 2022-07-29 | 中国电建集团中南勘测设计研究院有限公司 | Slope reinforcing structure and construction method thereof |
| CN115748740A (en) * | 2022-12-21 | 2023-03-07 | 华能澜沧江水电股份有限公司 | Ditch and valley large-span inward concave arch type reinforced earth retaining wall supporting method |
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