CN107254881A - A kind of slope retaining structure and method for protecting support - Google Patents
A kind of slope retaining structure and method for protecting support Download PDFInfo
- Publication number
- CN107254881A CN107254881A CN201710659919.5A CN201710659919A CN107254881A CN 107254881 A CN107254881 A CN 107254881A CN 201710659919 A CN201710659919 A CN 201710659919A CN 107254881 A CN107254881 A CN 107254881A
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- Prior art keywords
- pedestal
- sash beam
- spiral bar
- sash
- prestress anchorage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000002787 reinforcement Effects 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 238000003466 welding Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000008267 milk Substances 0.000 claims description 3
- 210000004080 milk Anatomy 0.000 claims description 3
- 235000013336 milk Nutrition 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a kind of slope retaining structure and method for protecting support, belong to slope support engineering technical field.The slope retaining structure includes prestress anchorage cable and the sash beam on domatic, surface at the right-angled intersection of the sash beam is provided with pedestal, spiral bar is embedded with the pedestal, one end of the spiral bar extends to the sash beam and is connected with the framework of steel reinforcement of the sash beam, and the other end of the spiral bar is embedded in the pedestal；The prestress anchorage cable, which vertically wears to be located at around the spiral bar in the spiral bar and the pedestal, the pedestal, is additionally provided with encryption framework of steel reinforcement, and the encryption framework of steel reinforcement is extended to be connected in the sash beam with the framework of steel reinforcement of the sash beam.The surface of pedestal and prestress anchorage cable degree in a vertical angle in the present invention, it is ensured that prestress anchorage cable keeps linear state in stretching process, and tension stress meets design requirement, finally slope retaining structure is reinforced, and protection effect is more preferable.
Description
Technical field
The present invention relates to slope support engineering technical field, and in particular to a kind of slope retaining structure and method for protecting support.
Background technology
With the continuous expansion in slope support engineering field, the application of prestress anchorage cable sash beam is more and more extensive.Tradition
In the construction of prestress anchorage cable sash beam, due to anchor cable and the non-perpendicular relation in sash beam surface, it is non-rectilinear to cause during anchorage cable stretching
Tensioning, causes anchor cable leading portion to upwarp in sash Liang Biaomianchu has knuckle, stretching process, is opened thus while tensioner is shown
Pulling force is in place, but the actual tension stress in slopes anchor cable is extremely difficult to design effect, it is impossible to meet design requirement.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of slope retaining structure and method for protecting support so that pedestal
Surface and prestress anchorage cable degree in a vertical angle, it is ensured that prestress anchorage cable keeps linear state in stretching process, and tension stress is full
Sufficient design requirement, finally enables slope retaining structure further to reinforce, and protection effect is more preferable.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of slope retaining structure, including prestress anchorage cable and the sash beam on domatic, the cross of the sash beam
The surface of infall is provided with pedestal, the pedestal and is embedded with spiral bar, and one end of the spiral bar extends to the sash
Beam is connected with the framework of steel reinforcement of the sash beam, and the other end of the spiral bar is embedded in the pedestal；The prestressed anchor
Suo Chuizhi, which wears in the spiral bar and the pedestal, the pedestal to be located at around the spiral bar, is additionally provided with encryption reinforcing bar
Frame, the encryption framework of steel reinforcement is extended to be connected in the sash beam with the framework of steel reinforcement of the sash beam.
Further, the pedestal is the inclined sphenoid in upper surface, and the inclined plane of the pedestal is relatively described domatic
The angle of inclination of inclined plane is 15-20 °.
Further, the length and width of the pedestal is respectively less than or equal to the length and width at the right-angled intersection,
The thickness of the side of the pedestal is 5 centimetres, and the thickness of the opposite side of the pedestal is 8 centimetres.
Further, the connection of the reinforcing bar of the sash beam portion point and the reinforcing bar of the sash beam is stretched into the spiral bar
Mode is colligation or welding.
Further, the reinforcing bar and the sash beam steel of the sash beam portion point are stretched into the encryption framework of steel reinforcement
Connected mode is colligation or welding.
Further, the spiral bar is located at the center of the pedestal, so that the axis of the spiral bar is described with wearing
The prestress anchorage cable of pedestal is overlapped.
Present invention also offers a kind of slope support method, comprise the following steps：
(1) punched in side slope, prestress anchorage cable is penetrated in the hole, toward being in the milk in hole with by the prestress anchorage cable
One end fix；
(2) during sash beam assembling reinforcement, pre-buried setting spiral bar, makes institute at the right-angled intersection of the sash beam
The surface of sash beam is stretched out in the one end for stating spiral bar, and the reinforcing bar of the other end of the spiral bar and the sash beam is tied up
Prick or weld；
(3) set at the right-angled intersection of the sash beam and around the one end on the spiral bar stretching sash beam surface
Encryption framework of steel reinforcement is put, the reinforcing bar for encrypting reinforcing bar and sash beam that framework of steel reinforcement stretches into sash beam portion point is subjected to colligation or weldering
Connect；Simultaneously in steel bar arrangement construction, the prestress anchorage cable is passed through into the spiral bar；
(4) template of the sash beam is set up on the reinforcing bar periphery of the sash beam, while in the spiral bar and encryption
The periphery of framework of steel reinforcement sets up the template of pedestal；
(5) one-piece casting sash beam and pedestal in the template of the sash beam and the template of the pedestal, pour completion
Afterwards, the floating sash beam surface of sizing process and pedestal surfaces are received by surface, it is ensured that pedestal surfaces are in a vertical angle with prestress anchorage cable
Degree；
(6) after concrete reaches design strength, jack, stretch-draw prestressing force anchor cable, tensioning are set up on the pedestal
After the completion of, cut-out is exposed at the prestress anchorage cable outside tension ground tackle, and sealing off and covering anchorage processing is carried out to prestress anchorage cable.
In summary, by adopting the above-described technical solution, beneficial effects of the present invention are：
The present invention at the right-angled intersection of sash beam by setting the inclined pedestal in surface so that the surface of pedestal is with advance should
Power anchor cable degree in a vertical angle, it is ensured that prestress anchorage cable keeps linear state in stretching process, and tension stress meets design requirement,
Finally slope retaining structure is set further to reinforce, protection effect is more preferable.And the spiral bar in the present invention and encryption reinforcing bar
The setting of frame, demand of anti-crack when making the intensity of pedestal meet stretch-draw prestressing force, further improves protection effect.
Brief description of the drawings
Fig. 1 is a kind of structural representation of slope retaining structure of the embodiment of the present invention；
Fig. 2 is a kind of left view of slope retaining structure of the embodiment of the present invention；
Fig. 3 is the schematic diagram for encrypting framework of steel reinforcement in pedestal in a kind of slope retaining structure of the embodiment of the present invention.
In figure, 1- prestress anchorage cables, 2- sash beams, 3- pedestals, 4- spiral bars, 5- encryption frameworks of steel reinforcement.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or can also have component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " level ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Embodiment
Such as Fig. 1-Fig. 3, a kind of slope retaining structure, including prestress anchorage cable 1 and the sash beam 2 on domatic, sash
Surface at the right-angled intersection of beam 2, which is provided with pedestal 3, pedestal 3, is embedded with spiral bar 4, and one end of spiral bar 4 extends to sash
Beam 2 is connected with the framework of steel reinforcement of sash beam 2, and the other end of spiral bar 4 is embedded in pedestal 3.Prestress anchorage cable 1 vertically wears spiral shell
Revolve in muscle 4 and pedestal 3, pedestal 3 to be located at around spiral bar 4 and be additionally provided with encryption framework of steel reinforcement 5, encrypt one end of framework of steel reinforcement 5
Extend to and be connected in sash beam 2 with the framework of steel reinforcement of sash beam 2.
Further, pedestal 3 is the inclined sphenoid in upper surface, and the inclined plane of pedestal 3 domatic inclined plane relatively is inclined
Rake angle is 15-20 °, so that the surface of pedestal 3 can form vertical angle with prestress anchorage cable.In the present embodiment, pedestal 3 inclines
The angle of inclination of inclined-plane domatic inclined plane relatively is preferably 15 °.Such as certain side slope protection engineering, the design of prestress anchorage cable 1 is inclined
30 ° of angle, domatic slope ratio is 1:1, i.e., domatic inclination angle is 45 °, and anchor cable and domatic angle are 75 °.Sash beam 2 is parallel to domatic, then
Prestress anchorage cable 1 is also 75 ° with the outer surface angle of sash beam 2.To ensure the vertical tensioning of prestress anchorage cable 1, the inclined plane of pedestal 3
Angle of inclination need to be 60 °, then the inclined plane of pedestal 3 and side slope angle are 15 °, also be 15 ° with the outer surface angle of sash beam 2.
The length and width of the pedestal 3 of sphenoid can be set to be less than or equal to and the length at the right-angled intersection of sash beam 2
And width, in the present embodiment, the length and width of pedestal 3 is equal to the length and width at the right-angled intersection with sash beam 2,
And the thickness of the side of pedestal 3 is 5 centimetres, the thickness of opposite side is 8 centimetres.By the setting of the suitable depth of pedestal 3, in section
About cost while can also meet the surface requirement vertical with prestress anchorage cable of pedestal 3.In addition, spiral bar 4 is located at pedestal 3
Center, with ensure construction when spiral bar 4 axis overlapped with wearing the prestress anchorage cable 1 of pedestal 3.
Further, in the present embodiment, the reinforcing bar of the part of sash beam 2 and the framework of steel reinforcement of sash beam 2 are stretched into spiral bar 4
Connected mode can be colligation or welding.In the present embodiment, the reinforcing bar and sash beam 2 of the part of sash beam 2 are stretched into spiral bar 4
The connected mode of framework of steel reinforcement be preferably colligation.
Further, in the present embodiment, encryption framework of steel reinforcement 5 includes interlaced transverse steel and longitudinal reinforcement, together
The connected mode that the reinforcing bar of the part of sash beam 2 and the reinforcing bar of sash beam 2 are stretched into reason, encryption framework of steel reinforcement 5 can be colligation or
Welding.In the present embodiment, the connected mode of the reinforcing bar of the part of sash beam 2 and the reinforcing bar of sash beam 2 is stretched into encryption framework of steel reinforcement 5
Preferably colligation.
A kind of slope support method of the present invention, comprises the following steps：
(1) punched in side slope, prestress anchorage cable 1 is penetrated in the hole, toward being in the milk in hole with by prestress anchorage cable 1
One end is fixed；
(2) during the assembling reinforcement of sash beam 2, pre-buried setting spiral bar 4, makes spiral shell at the right-angled intersection of sash beam 2
The surface of sash beam 2 is stretched out in the one end for revolving muscle 4, and the reinforcing bar of the other end of spiral bar 4 and sash beam 2 is carried out into colligation or weldering
Connect；
(3) encryption steel is set at the right-angled intersection of sash beam 2 and around the one end on the surface of the stretching sash of spiral bar 4 beam 2
Muscles and bones frame 5, colligation or welding are carried out by the reinforcing bar for encrypting reinforcing bar and sash beam 2 that framework of steel reinforcement 5 stretches into the part of sash beam 2；Together
When steel bar arrangement construction in, by prestress anchorage cable 1 pass through spiral bar 4；
(4) template of sash beam 2 is set up on the reinforcing bar periphery of sash beam 2, while in spiral bar 4 and encryption framework of steel reinforcement 5
Periphery set up pedestal 3 template；
(5) one-piece casting sash beam 2 and pedestal 3 in the template of sash beam 2 and the template of pedestal 3, after the completion of pouring, lead to
Cross surface and receive the floating surface of sash beam 2 of sizing process and the surface of pedestal 3, it is ensured that the surface of pedestal 3 and prestress anchorage cable 1 are in a vertical angle
Degree；
(6) after the concrete poured reaches design strength, jack is set up on pedestal 3, stretch-draw prestressing force anchor cable 1,
After the completion of tensioning, cut-out is exposed at the prestress anchorage cable 1 outside tension ground tackle, and sealing off and covering anchorage processing is carried out to prestress anchorage cable 1.
The present invention pass through at the right-angled intersection of sash beam 2 set the inclined pedestal 3 in surface so that the surface of pedestal 3 with
The degree in a vertical angle of prestress anchorage cable 1, it is ensured that prestress anchorage cable 1 keeps linear state in stretching process, tension stress meets and set
Meter is required, finally slope retaining structure is further reinforced, protection effect is more preferable.And the spiral bar 4 in the present invention is with adding
The setting of close framework of steel reinforcement 5, demand of anti-crack when making the intensity of pedestal 3 meet stretch-draw prestressing force, further improves bank protection
Effect.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
The equal change or modification change completed under bright patent claim, the technical spirit suggested by all present invention, all should belong to
Cover the scope of the claims in the present invention.
Claims (7)
1. a kind of slope retaining structure, including prestress anchorage cable and the sash beam on domatic, it is characterised in that the sash
Surface at the right-angled intersection of beam, which is provided with pedestal, the pedestal, is embedded with spiral bar, and one end of the spiral bar is extended to
The sash beam is connected with the framework of steel reinforcement of the sash beam, and the other end of the spiral bar is embedded in the pedestal；It is described
Prestress anchorage cable, which vertically wears to be located to be additionally provided with around the spiral bar in the spiral bar and the pedestal, the pedestal, to be added
Close framework of steel reinforcement, the encryption framework of steel reinforcement is extended to be connected in the sash beam with the framework of steel reinforcement of the sash beam.
2. slope retaining structure according to claim 1, it is characterised in that the pedestal is the inclined wedge shape in upper surface
Body, the angle of inclination of the relatively described domatic inclined plane of inclined plane of the pedestal is 15-20 °.
3. slope retaining structure according to claim 2, it is characterised in that the length and width of the pedestal be respectively less than or
Equal to the length and width at the right-angled intersection, the thickness of the side of the pedestal is 5 centimetres, the opposite side of the pedestal
Thickness is 8 centimetres.
4. slope retaining structure according to claim 1, it is characterised in that the sash beam portion is stretched into the spiral bar
The connected mode of the reinforcing bar divided and the reinforcing bar of the sash beam is colligation or welding.
5. slope retaining structure according to claim 1, it is characterised in that stretch into the frame in the encryption framework of steel reinforcement
The connected mode of the reinforcing bar of lattice beam part and the sash beam steel is colligation or welding.
6. slope retaining structure according to claim 1, it is characterised in that the spiral bar is located in the pedestal
The heart, so that the axis of the spiral bar is overlapped with wearing the prestress anchorage cable of the pedestal.
7. a kind of slope support method, it is characterised in that comprise the following steps：
(1) punched in side slope, prestress anchorage cable is penetrated in the hole, toward being in the milk in hole with by the one of the prestress anchorage cable
End is fixed；
(2) during sash beam assembling reinforcement, pre-buried setting spiral bar, makes the spiral shell at the right-angled intersection of the sash beam
The surface of sash beam is stretched out in the one end for revolving muscle, and by the reinforcing bar of the other end of the spiral bar and the sash beam carry out colligation or
Welding；
(3) setting adds at the right-angled intersection of the sash beam and around the one end on the spiral bar stretching sash beam surface
Close framework of steel reinforcement, colligation or welding are carried out by the reinforcing bar for encrypting reinforcing bar and sash beam that framework of steel reinforcement stretches into sash beam portion point；Together
When steel bar arrangement construction in, by the prestress anchorage cable pass through the spiral bar；
(4) template of the sash beam is set up on the reinforcing bar periphery of the sash beam, while in the spiral bar and encryption reinforcing bar
The periphery of skeleton sets up the template of pedestal；
(5) one-piece casting sash beam and pedestal in the template of the sash beam and the template of the pedestal, after the completion of pouring, lead to
Cross surface and receive the floating sash beam surface of sizing process and pedestal surfaces, it is ensured that pedestal surfaces and prestress anchorage cable degree in a vertical angle；
(6) after concrete reaches design strength, jack is set up on the pedestal, stretch-draw prestressing force anchor cable, tensioning is completed
Afterwards, cut-out is exposed at the prestress anchorage cable outside tension ground tackle, and sealing off and covering anchorage processing is carried out to prestress anchorage cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659919.5A CN107254881A (en) | 2017-08-04 | 2017-08-04 | A kind of slope retaining structure and method for protecting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659919.5A CN107254881A (en) | 2017-08-04 | 2017-08-04 | A kind of slope retaining structure and method for protecting support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107254881A true CN107254881A (en) | 2017-10-17 |
Family
ID=60026227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710659919.5A Pending CN107254881A (en) | 2017-08-04 | 2017-08-04 | A kind of slope retaining structure and method for protecting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107254881A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748048A (en) * | 2017-12-18 | 2018-03-02 | 兰州理工大学 | Sash reinforcement with prestressed anchor side slope shaking table model device and construction method |
| CN109024629A (en) * | 2018-08-27 | 2018-12-18 | 广东省城乡规划设计研究院 | A kind of side slope side method for protecting support |
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|---|---|---|---|---|
| JP2000257059A (en) * | 1999-03-05 | 2000-09-19 | Shimizu Corp | Construction method of anchor pedestal and anchor head part |
| JP2006169733A (en) * | 2004-12-13 | 2006-06-29 | Raito Kogyo Co Ltd | Base form for rock bolt |
| CN102121248A (en) * | 2010-01-07 | 2011-07-13 | 贵州省交通规划勘察设计研究院 | Method for reinforcing and fixing sloping surface of prestressed anchorage element |
| CN103266607A (en) * | 2013-04-25 | 2013-08-28 | 中天建设集团有限公司 | Anchor head waist beam structure |
| CN203755320U (en) * | 2014-03-25 | 2014-08-06 | 中国电建集团成都勘测设计研究院有限公司 | Crush rock zone side slope reinforcing structure |
| CN105649079A (en) * | 2016-01-15 | 2016-06-08 | 华北水利水电大学 | Double-layer anticorrosion pre-stressed anchor cable structure for building construction |
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| CN206986910U (en) * | 2017-08-04 | 2018-02-09 | 广西路桥工程集团有限公司 | A kind of slope retaining structure |
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2017
- 2017-08-04 CN CN201710659919.5A patent/CN107254881A/en active Pending
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| JP2000257059A (en) * | 1999-03-05 | 2000-09-19 | Shimizu Corp | Construction method of anchor pedestal and anchor head part |
| JP2006169733A (en) * | 2004-12-13 | 2006-06-29 | Raito Kogyo Co Ltd | Base form for rock bolt |
| CN102121248A (en) * | 2010-01-07 | 2011-07-13 | 贵州省交通规划勘察设计研究院 | Method for reinforcing and fixing sloping surface of prestressed anchorage element |
| CN103266607A (en) * | 2013-04-25 | 2013-08-28 | 中天建设集团有限公司 | Anchor head waist beam structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748048A (en) * | 2017-12-18 | 2018-03-02 | 兰州理工大学 | Sash reinforcement with prestressed anchor side slope shaking table model device and construction method |
| CN109024629A (en) * | 2018-08-27 | 2018-12-18 | 广东省城乡规划设计研究院 | A kind of side slope side method for protecting support |
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Application publication date: 20171017 |
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