CN201272968Y - Combined anchorage system - Google Patents
Combined anchorage system Download PDFInfo
- Publication number
- CN201272968Y CN201272968Y CNU200820122672XU CN200820122672U CN201272968Y CN 201272968 Y CN201272968 Y CN 201272968Y CN U200820122672X U CNU200820122672X U CN U200820122672XU CN 200820122672 U CN200820122672 U CN 200820122672U CN 201272968 Y CN201272968 Y CN 201272968Y
- Authority
- CN
- China
- Prior art keywords
- rod
- anchor
- section body
- boring
- prestressed
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
A combination anchor system comprises drilling holes, wherein the drilling holes are provided with a plurality of soil nails and pre-stressed anchor rods; the pre-stressed anchor rods are selected from tensile anchor rods, compression anchor rods or tension-compression anchor rods; the body of the pre-stressed anchor rod is divided into a free section and an anchor section; the surface of the free section is coated with butter and is covered by a plastic bush with a space left; the plastic bush and the anchor section at the outer side of the free section are fixed in a drilling hole via cement slurry, cement mortar or resin; each free section is anchored in concrete podium or well-shaped beam at outside a drilling hole; the anchor sections of different pre-stressed anchor rods are fixed and dispersed of different depths in the drilling holes. The novel combination anchor system comprises a plurality soil nails in drilling holes, to reduce integral cost, and comprises a plurality of pre-stressed anchor rods in the drilling holes, therefore, the novel combination anchor system can add pre-stress and inactively reinforce rock soil.
Description
Technical field
The utility model relates to a kind of structural element of Foundation Design special use, particularly a kind of combination anchor system that rock-soil layer is reinforced and safeguarded.
Background technology
In the geotechnical engineering, prestressed anchorage technology and soil nailing technology are the technology of tool vitality.In engineering practices such as deep foundation pit support, slope reinforcement, landslide regulation, structure anti-floating, overturning or slip resistance analysis, prestressed anchor pole technology and soil nailing technology are given full play to its technological merit separately, have obtained using widely.
One end of prestressed anchor links to each other with geotechnical body or works, the other end is anchored in the geotechnical body, and it is applied prestressing force, become the anchoring system that pulling force is delivered to stable geotechnical body, to bear the pulling force that ground pressure, water pressure, anti-floating, overturning or slip resistance analysis structure are produced, in order to safeguard the stable of geotechnical body and works, it has the notable feature of initiatively reinforcing geotechnical body.Cost is higher to be the shortcoming of prestressed anchor.
And soil nailing is to be used for reinforcing or the slender rod piece of the on-the-spot original position soil body of anchoring simultaneously, adopts usually and holes in the soil, inserts notched bars (Ribbed Bar) and makes along the mode of total length slip casting.Interface cohesion or frictional resistance between the soil nailing dependence and the soil body, passive stressed under the condition that the soil body deforms, and mainly bear tension.The soil nailing spacing is generally 1.0～2.0m, per 1～2.5m
2At least be provided with one.The soil nailing group provides and has improved the tension and the shear strength on stratum.The excavation slope surface layer is usually by sprayed mortar, and steel mesh reinforcement sprayed mortar or steel concrete are formed, and must be closely united with soil nailing, and carry out the preservative treatment of soil nailing.Soil nailing has with geotechnical body and deforms and passive stressed feature, and this is the major defect of soil nailing.
The utility model content
For addressing the above problem, the utility model provides a kind of can apply prestressing force and the low combination anchor system of whole cost.
The utility model combination anchor system comprises boring, wherein: be provided with in the described boring by one of cement paste, cement mortar, resin fixing some soil nailings and some prestressed anchors.
The utility model combination anchor system, wherein: described prestressed anchor is a kind of in tension type anchor pole, compression-type anchor pole, the tension and compression type anchor pole.
The utility model combination anchor system, wherein: the body of rod of described prestressed anchor is divided into the free section body of rod and the anchoring section body of rod, and described free section body of rod surface coating butter and the outer plastic bushing of wrapping up in leave the gap between the described plastic bushing and the described free section body of rod; The described plastic bushing and the described anchoring section body of rod in the described free section body of rod outside are fixed in the described boring by one of cement paste, cement mortar, resin; The described free section body of rod is anchored on the concrete pier base or nine-squares beam in the described boring outside.
The utility model combination anchor system, wherein: the anchoring section body of rod of different described prestressed anchors is fixed on the different depth dispersed placement in the described boring.
The utility model combination anchor system, wherein: the body of rod of described prestressed anchor is a kind of in steel strand, Ribbed Bar, high tensile reinforcement, glass fiber muscle body, the carbon fibre bar body.
The utility model combination anchor system, wherein: the soil nailing body of rod of described soil nailing is fixed in the described boring by one of cement paste, cement mortar, resin.
The utility model combination anchor system is owing to be provided with some soil nailings in boring, therefore whole cost is low, is provided with some prestressed anchors simultaneously in boring, therefore can apply prestressing force, reaches the purpose of initiatively reinforcing geotechnical body.
The utility model combination anchor system combines prestressed anchor and soil nailing in same boring, gives full play to the active reinforcing and the passive stressed characteristics of soil nailing of prestressed anchor, reaches the effect of stability of slope or effective anti-floating.The borehole engineering amount in effective simultaneously minimizing engineering construction and the size and the rigidity of prestressed anchor force transferring structure (concrete pier base or nine-squares beam).
Description of drawings
Fig. 1 is that the master of first kind of embodiment of the utility model combination anchor system looks sectional view;
Fig. 2 is that the I-I of Fig. 1 is to sectional view;
Fig. 3 is that the master of second kind of embodiment of the utility model combination anchor system looks sectional view;
Fig. 4 is that the II-II of Fig. 3 is to sectional view.
The specific embodiment
Below in conjunction with Figure of description the utility model combination anchor system is described further.
Fig. 1, Fig. 2 are the schematic diagrames of first kind of embodiment of the utility model combination anchor system; Wherein: be provided with a soil nailing 2 (according to actual needs, can also be provided with more various soil nailing) and a prestressed anchor 3 in the boring 1.The direction of boring 1 in the slope reinforcement engineering is parallel to the ground and slightly downward-sloping, and inclination angle common and horizontal plane is 5 °～10 °, in float Structure, also can vertically lay.
Prestressed anchor 3 is tension type anchor pole (prestressed anchor 3 also can be compression-type anchor pole or tension and compression type anchor pole).The body of rod of prestressed anchor 3 is divided into the free section body of rod 5 and the anchoring section body of rod 4, and the free section body of rod 5 surperficial coating butters and the outer plastic bushing 6 of wrapping up in leave the gap between the plastic bushing 6 and the free section body of rod 5; The plastic bushing 6 and the anchoring section body of rod 4 in the free section body of rod 5 outsides are fixed in the boring 1 by one of cement paste, cement mortar, resin; Be anchored on the concrete pier base 7 (or nine-squares beam) in boring 1 outside after 5 stretch-draw of the free section body of rod.The body of rod of prestressed anchor 3 is a kind of in steel strand, Ribbed Bar, high tensile reinforcement, glass fiber muscle body, the carbon fibre bar body.The prestressed anchor 3 free section body of rod 5 length must be above the length of active region stratum in soil nailing 2 supportings or soil nailing 2; The anchoring section body of rod 4 is provided with to pay the utmost attention to above soil nailing 2 and coheres length areas.As required prestressed anchor 3 and soil nailing 2 are carried out corresponding preservative treatment, permanent work especially is except the composite material bar body.
The soil nailing body of rod of soil nailing 2 is fixed in the boring 1 by one of cement paste, cement mortar, resin.
Fig. 3, Fig. 4 are the schematic diagrames of second kind of embodiment of the utility model combination anchor system; Wherein: boring 1, in be provided with a soil nailing 2 ' and two prestressed anchors 3 ' (according to actual needs, can also be provided with more various soil nailing and prestressed anchor).The basic structure of soil nailing 2 ' and prestressed anchor 3 ' is identical with first kind of embodiment.The anchoring section body of rod 4 ' of two prestressed anchors 3 ' is fixed on the different depth dispersed placement in the boring 1 '.The anchoring section of two prestressed anchors 3 ' dispersed placement of interlocking can avoid occurring the stress raisers effect.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (6)
1. a combination anchor system comprises boring (1,1 '), it is characterized in that: described boring is provided with in (1,1 ') by one of cement paste, cement mortar, resin fixing some soil nailings (2,2 ') and some prestressed anchors (3,3 ').
2. combination anchor system according to claim 1 is characterized in that: described prestressed anchor (3,3 ') is a kind of in tension type anchor pole, compression-type anchor pole, the tension and compression type anchor pole.
3. combination anchor system according to claim 2, it is characterized in that: described prestressed anchor (3,3 ') is tension type anchor pole, the body of rod of described prestressed anchor (3,3 ') is divided into the free section body of rod (5,5 ') and the anchoring section body of rod (4,4 '), described free surperficial coating butter of the section body of rod (5,5 ') and the outer plastic bushing (6,6 ') of wrapping up in leave the gap between the described plastic bushing (6,6 ') and the described free section body of rod (5,5 '); The described plastic bushing (6,6 ') and the described anchoring section body of rod (4,4 ') in the described free section body of rod (5, the 5 ') outside are fixed in the described boring (1,1 ') by one of cement paste, cement mortar, resin; The described free section body of rod (5,5 ') is anchored on the concrete pier base (7,7 ') or nine-squares beam in described boring (1, the 1 ') outside.
4. combination anchor system according to claim 3 is characterized in that: the anchoring section body of rod (4,4 ') of different described prestressed anchors (3,3 ') is fixed on the different depth dispersed placement in the described boring (1,1 ').
5. combination anchor system according to claim 4 is characterized in that: the body of rod of described prestressed anchor (3,3 ') is a kind of in steel strand, Ribbed Bar, high tensile reinforcement, glass fiber muscle body, the carbon fibre bar body.
6. combination anchor system according to claim 5 is characterized in that: the soil nailing body of rod of described soil nailing (2,2 ') is fixed in the described boring (1,1 ') by one of cement paste, cement mortar, resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820122672XU CN201272968Y (en) | 2008-09-25 | 2008-09-25 | Combined anchorage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820122672XU CN201272968Y (en) | 2008-09-25 | 2008-09-25 | Combined anchorage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201272968Y true CN201272968Y (en) | 2009-07-15 |
Family
ID=40883316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820122672XU Expired - Fee Related CN201272968Y (en) | 2008-09-25 | 2008-09-25 | Combined anchorage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201272968Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352630A (en) * | 2011-08-31 | 2012-02-15 | 中国新兴建设开发总公司 | Full-thread fiber resin rod body soil nailing wall and construction method thereof |
| CN102041812B (en) * | 2009-10-22 | 2012-03-07 | 宁晋生 | Grouting soil nail for triangularly arranging reinforcing steel bars |
| CN101975073B (en) * | 2009-09-30 | 2013-08-07 | 王晓利 | Retractable concrete arch and anchor rod combined support system and construction method |
| CN104452784A (en) * | 2014-12-12 | 2015-03-25 | 山东大学 | Composite bolt pile used for slope strengthening and construction technique of composite bolt pile |
| CN106759321A (en) * | 2016-12-30 | 2017-05-31 | 山东大学 | A kind of anchor pole and its construction technology for improving retaining wall bearing capacity |
| CN114561942A (en) * | 2022-03-13 | 2022-05-31 | 深圳市工勘岩土集团有限公司 | Anchoring structure with prestressed anchor rods arranged in staggered rubbing mode |
-
2008
- 2008-09-25 CN CNU200820122672XU patent/CN201272968Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975073B (en) * | 2009-09-30 | 2013-08-07 | 王晓利 | Retractable concrete arch and anchor rod combined support system and construction method |
| CN102041812B (en) * | 2009-10-22 | 2012-03-07 | 宁晋生 | Grouting soil nail for triangularly arranging reinforcing steel bars |
| CN102352630A (en) * | 2011-08-31 | 2012-02-15 | 中国新兴建设开发总公司 | Full-thread fiber resin rod body soil nailing wall and construction method thereof |
| CN104452784A (en) * | 2014-12-12 | 2015-03-25 | 山东大学 | Composite bolt pile used for slope strengthening and construction technique of composite bolt pile |
| CN104452784B (en) * | 2014-12-12 | 2017-01-18 | 山东大学 | Composite bolt pile used for slope strengthening and construction technique of composite bolt pile |
| CN106759321A (en) * | 2016-12-30 | 2017-05-31 | 山东大学 | A kind of anchor pole and its construction technology for improving retaining wall bearing capacity |
| CN106759321B (en) * | 2016-12-30 | 2020-01-24 | 山东大学 | Anchor rod for improving bearing capacity of retaining wall and construction process thereof |
| CN114561942A (en) * | 2022-03-13 | 2022-05-31 | 深圳市工勘岩土集团有限公司 | Anchoring structure with prestressed anchor rods arranged in staggered rubbing mode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102828518B (en) | Construction method for manual hole digging support pile prestress anchor cable anchoring structure | |
| CN201272968Y (en) | Combined anchorage system | |
| CN102352632B (en) | Anchor rod sheet pile combined structure and method for reinforcing high filling body on one side of slope | |
| CN103741958B (en) | A kind of peripheral hardware assembled minor structure reinforces the method for existing building | |
| CN104652475B (en) | A kind of truss-like retaining wall | |
| US9683347B2 (en) | Systems and methods to reinforce excavation walls | |
| CN108517882B (en) | A kind of geotechnical grid reinforcement high gradient slope and its construction method | |
| CN106968245A (en) | The uplift pile of prestress anchorage cable manually digging hole and its construction method | |
| CN103343532B (en) | Pre-stressed anchor cable pile-slab wall | |
| CN109505641A (en) | A kind of soft-rock tunnel bottom plate anchor pouring reinforcement method | |
| CN103233537B (en) | Heavy load overlapping overhead terrace and construction method | |
| CN202672162U (en) | Combined type retaining structure | |
| JP6370645B2 (en) | Slope stabilization method for seismic and rainproof measures of earth structures by using pressure injection type rod-shaped reinforcements | |
| CN113123373A (en) | Pressure-bearing uplift pile with rear-inserted unbonded steel strand U-shaped pipe and construction method thereof | |
| CN203270890U (en) | Heavy-load superposed overhead terrace | |
| CN105201525B (en) | A kind of recoverable preventing and treating pucking method | |
| CN218061703U (en) | Concrete strip foundation reinforced by additional concrete sleeve | |
| CN203361182U (en) | Unequal-length bottom-expanded rock anchor pile of power transmission pole tower | |
| CN206693220U (en) | Artificial digging pile resistance to plucking structure | |
| CN210562199U (en) | Combined foundation pit supporting device | |
| CN104404972A (en) | Anchoring structure for strengthening high and steep bedrock-fill interface and construction method | |
| CN201794215U (en) | Pretensioning method prestress reinforced concrete prefabricated beam | |
| CN114991557A (en) | Concrete strip foundation reinforced by additional concrete sleeve and construction method thereof | |
| CN113322982A (en) | Method for managing landslide of accumulation layer | |
| CN108677988A (en) | A kind of upper stake being suitable for large-scale cyclic load is casted anchor novel foundation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20160925 |