CN102660947A - Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method - Google Patents
Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method Download PDFInfo
- Publication number
- CN102660947A CN102660947A CN2012101386096A CN201210138609A CN102660947A CN 102660947 A CN102660947 A CN 102660947A CN 2012101386096 A CN2012101386096 A CN 2012101386096A CN 201210138609 A CN201210138609 A CN 201210138609A CN 102660947 A CN102660947 A CN 102660947A
- Authority
- CN
- China
- Prior art keywords
- rod
- cavity
- shell
- construction method
- temperature
- 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.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a construction method for a recoverable anchor rod, and a cavity rod body and a high-pressure heater for the construction method in the field of rock and soil anchorage. The cavity rod body consists of three parts, namely a rod body (1), a housing (2) and a cavity (3), wherein the housing (2) is firmly bonded to the outer surface of the rod body (1) at normal temperature; after the cavity rod body is heated, bonding strength between the rod body (1) and the housing (2) is weakened along with temperature rise; and when the anchor rod is recovered, liquid (5) in the cavity (3) is heated to uniformly heat the housing (2), and a boiling point of the liquid (5) can be increased by increasing air pressure in the cavity (3), so that the aim of high-temperature high-pressure uniform heating recovery is fulfilled. The recovery rate of the anchor rod can reach 100 percent, and a foundation is laid for the wide use of the recoverable anchor rod.
Description
Technical field
The present invention relates to field of civil engineering, particularly relate to callable anchor pole engineering field.
Background technology
Existing callable anchor rod construction method mainly contains the separation etc. that the various anchor poles that connect through mechanical whorl and the inventor propose through direct heating, the body of rod body of rod is reclaimed.With the immediate documents of the present invention be that (application number: 2006100258150), the step of this method is following: a) shelling type reinforcement body is placed geotechnical body for the callable rock-reinforcing construction method that proposes of the inventor and used shelling type reinforcement body, recover; B) surrounding enviroment through above-mentioned shelling type reinforcement body change, and the adhesion strength between above-mentioned shelling type reinforcement body and the geotechnical body is reduced; C) shelling type reinforcement body after the above-mentioned adhesion strength reduction is reclaimed from geotechnical body, this method mainly is to make the shell of shelling type reinforcement and add the bonding strength reduction between the solid through direct heating or generation reaction, reclaims then to add solid.This method efficiency of heating surface is lower, sheathing material is required high, and heating-up temperature is low, and when the body of rod is longer, it is inhomogeneous to be heated, and has increased recovery difficult, the cost recovery height, and phenomenon such as heater damage often appears.
Summary of the invention
First purpose of the present invention is to provide first kind of callable anchor rod construction method, and this callable anchor rod construction method can be simplified body of rod reclaimer, and the rate of recovery is high, and cost recovery reduces greatly.
Above-mentioned purpose of the present invention is to realize that through first kind of following callable anchor rod construction method first kind of callable anchor rod construction method comprises the steps:
A) external surface is bonded with adhesion strength and places the soil body or rock-reinforcing body, and be close to the body of rod cavity is set with the raise body of rod of the shell reduces of temperature;
B) insert heatable liquid in the recovery forward direction cavity;
C) be bonded in the shell of body of rod external surface through the liquid heat of heating in the cavity, the adhesion strength between the shell and the body of rod is reduced;
D) reclaim the body of rod.
Second purpose of the present invention is to provide second kind of callable anchor rod construction method; This second kind of callable anchor rod construction method can improve heating-up temperature; And homogeneous heating; Make that epoxy resin, sulphide mastic equal strength are high, bond stress is strong but the higher constructional materials of softening point can be used in the callable anchor pole engineering, and available water realizes that indirect heating reclaims, and reduces engineering cost significantly.
Above-mentioned purpose of the present invention is to realize that through second kind of following callable anchor rod construction method second kind of callable anchor rod construction method comprises the steps:
A) external surface is bonded with adhesion strength and places the soil body or rock-reinforcing body, and be close to the body of rod cavity is set with the raise body of rod of the shell reduces of temperature;
B) before the recovery cavity is sealed, in cavity,, make the adhesion strength reduction between the shell and the body of rod through the shell of HTHP heating pole external surface bonding;
C) reclaim the body of rod.
The 3rd purpose of the present invention is that first kind of cavity body of rod providing above-mentioned callable anchor rod construction method used, this first kind of cavity body of rod can realize the recovery construction of the body of rod smoothly.
This first kind of cavity body of rod comprises the body of rod and the shell two parts that can raise and reduce with temperature with body of rod bonding and adhesion strength, and the cavity of an end opening is contained in body of rod inside wherein, and shell is positioned at the external surface of the body of rod.
The 4th purpose of the present invention is second kind of cavity body of rod providing above-mentioned callable anchor rod construction method used, and this second kind of cavity body of rod can improve the adhesion stress between the body of rod and rock-reinforcing body, and cost is low, and construction technology is simple.
This second kind of cavity body of rod comprises the body of rod, shell and separate type stiffening rib three parts composition; Shell wherein is to be bonded in the structure that body of rod external surface and adhesion strength can raise and reduce with temperature; The cavity of an end opening is contained in body of rod inside; The separate type stiffening rib is positioned at body of rod external surface and forms scraggly structure at the external surface of the body of rod, and the separate type stiffening rib is through shell and body of rod secure bond.
The 5th purpose of the present invention is to provide a kind of above-mentioned callable anchor rod construction method used high-pressure heater, and this high-pressure heater can be realized callable anchor rod construction method smoothly, makes work simplification, handling safety.
This high-pressure heater comprises heater, sealer, controller three parts composition, and heater wherein comprises lead and heating element two parts composition, and lead passes through sealer and is connected with power supply through controller, and controller is the instrument of control heating-up temperature or pressure.
In above-mentioned high-pressure heater, can safety guard be installed at the sealer place, safety guard is the device that prevents that sealer under high pressure outwards launching.
In above-mentioned high-pressure heater, can on controller and heater, be connected power supply switch controller, power supply switch controller is that heating-up temperature reaches predetermined temperature or pressure and reaches the device that can report to the police or cut off automatically the power supply of heater after the predetermined pressure.
Callable anchor rod construction method of the present invention and the used cavity body of rod, high-pressure heater thereof; Realized the body of rod evenly being heated, can improve the boiling point of liquid, the high-pressure uniform that reaches a high temperature heating recovery purpose through high pressure through liquid or gas; Reduction is to the requirement of sheathing material; Engineering cost is reduced greatly, the invention enables the anchor pole rate of recovery can reach 100%, for the widely-used of recoverable anchor rod laid a good foundation.
Description of drawings
Fig. 1 is first kind of used cavity body of rod structure construction sketch map of first embodiment of the present invention
Fig. 2 is second kind of used cavity body of rod structure construction sketch map of second embodiment of the present invention
Fig. 3 is the 3rd embodiment of the present invention and the 4th embodiment phase I sketch map
Fig. 4 is the 3rd an embodiment second stage sketch map of the present invention
Fig. 5 is the 3rd an embodiment phase III sketch map of the present invention
Fig. 6 is the 3rd embodiment stage of the present invention and the 4th embodiment phase III sketch map
Fig. 7 is the 4th embodiment second stage sketch map of the present invention and the 5th the high-pressure heater organigram that embodiment is used of the present invention;
The specific embodiment
As first embodiment of the present invention, main purpose is to combine Fig. 1 to introduce callable anchor rod construction method of the present invention used first kind of cavity body of rod structure construction, operating principle.As shown in Figure 1; First kind of cavity body of rod comprises the body of rod (1) and shell (2) two parts that can raise and reduce with temperature with the body of rod (1) bonding and adhesion strength; Wherein be close to the cavity (3) that the body of rod (1) is provided with an end opening; Shell (2) is positioned at the external surface of the body of rod (1), in reclaiming work progress, can evenly heat shell (2) through cavity (3).Shell (2) can be formed with the material that the temperature rising reduces for adhesion strength; In use; Shell (2) at normal temperatures with the body of rod (1) secure bond, with the body of rod (1) acting in conjunction bearing capacity is provided, after heating; Shell (2) removes until elementary solution with the adhesion strength reduction of the body of rod (1), thereby can the body of rod (1) be extracted from rock-reinforcing body (4).Shell (2) can adopt epoxy resin or sulphide mastic etc. can with the material of steel secure bond.The body of rod (1) can be the steel pipe of end sealing or the round steel of hollow, can be with the part of the hollow of the body of rod (1) as cavity (3).The body of rod (1) can also be the combination of steel strand and other tubular structures, can also utilize the material and shell (2) combination of no cavitys such as steel strand, utilizes shell (2) material cavity (3).The thickness of shell (2) can design as required, the requirement design that the big I of cavity (3) is transmitted according to heat, and the size of the body of rod (1) and intensity can be confirmed according to Design of Bearing Capacity.
As second embodiment of the present invention, main purpose is to combine Fig. 2 to introduce callable anchor rod construction method of the present invention used second kind of cavity body of rod structure construction, operating principle.As shown in Figure 2; Second kind of cavity body of rod comprises the body of rod (1), shell (2) and separate type stiffening rib (7) three parts composition, and material, structure and the operating principle of the body of rod wherein (1) and shell (2) are to have increased separate type stiffening rib (7) with first embodiment with first embodiment difference; Separate type stiffening rib (7) can adopt reinforcing bar or steel strand spirality to be wound in the outside of the body of rod (1); When making, can utilize the adhesion stress of shell (2) that separate type stiffening rib (7) firmly is connected with the body of rod (1), when being used to complete the back recovery; Can realize extracting earlier the body of rod (1) through the adhesion strength that reduces shell (2); Extract separate type stiffening rib (7) then, thereby accomplish recovery operation, can also adopt the lower material separate type stiffening ribs (7) of shear strength such as glass fiber reinforced plastic, mortar; After accomplishing the body of rod (1) recovery, can no longer carry out the recovery of separate type stiffening rib (7).In the present embodiment, the purpose of increase separate type stiffening rib (7) is the adhesion strength that can improve in use between the body of rod (1) and the rock-reinforcing body (4).
As the 3rd embodiment of the present invention, main purpose is to combine Fig. 3 to Fig. 6, introduces first kind of callable anchor rod construction method of the present invention.In the first step; As shown in Figure 3, external surface is bonded with adhesion strength places rock-reinforcing body (4) with the raise body of rod (1) of the shell (2) reduce of temperature, the structure construction of the body of rod (1) can be of first embodiment or second embodiment; Also can be to adopt reinforcing bar or steel strand as the body of rod (1); The body of rod (1) and steel pipe or plastic pipe structure are made up, and steel pipe or plastic pipe can form cavity (3), can also be when inserting rock-reinforcing body (4); Next-door neighbour's body of rod (1) is provided with ganoid member; Before rock-reinforcing body (4) solidifies the back recovery, extract ganoid member and form cavity (3), can also utilize material next-door neighbour's body of rod (1) of shell (2) to make tubular structure as cavity (3).The job practices of inserting in the rock-reinforcing body (4) can be selected a kind of completion in following three kinds of methods; First method is in soil, to hole; Then the body of rod (1) is put in the boring; Fills with water mud, cement mortar or epoxy resin mortar etc. will hole afterwards as rock-reinforcing body (4), and like hot melt materials such as employing epoxy resin mortars, then the body of rod (1) outside no longer need be provided with shell (2); Second kind of method of inserting in the soil can be such, the body of rod (1) through the mode of shaking bury; The third method of inserting in the soil can be such, and construction cement mixing method or high-pressure rotary jet grouting pile insert the body of rod (1) then as rock-reinforcing body (4) in cement mixing method or high-pressure rotary jet grouting pile in soil earlier.Thereby accomplish the first step of present embodiment, got into for second step.In this is rapid, as shown in Figure 4, use finish after, the interim uplift pile engineering in anchor pole in the base pit engineering or the static load test for example after the local backfill of foundation ditch or static load test are accomplished, can be carried out the recovery of the body of rod (1).Before reclaiming drawing, can be to the built-in entry of cavity (3) or wet goods liquid as heatable liquid (5), thus second step of accomplishing present embodiment got into for the 3rd step.In this step, as shown in Figure 5, can go on foot in the liquid (5) of packing into above-mentioned second and put into heater (8); Heater (8) can be the electric heater of usefulness of heating up water; Heater (8) is carried out conductive heater, just can be through the shell (2) of the heating body of rod (1) of the liquid (5) in the heating cavity (3) and external surface bonding thereof, because of shell (2) is epoxide resin material or sulphide mastic material; Shell (2) can raise progressively softening with temperature; The adhesion strength of the shell (2) and the body of rod (1) reduces and progressively is tending towards not having adhesion strength, thereby accomplishes the 3rd step of present embodiment, gets into for the 4th step.This step is as shown in Figure 6.After the construction through the 3rd step, adhesion strength is very low between the body of rod (1) and the rock-reinforcing body (4), thereby can directly just can accomplish the recovery to the body of rod (1) through the drawing body of rod (1).Thereby accomplish first kind of callable anchor rod construction method of the present invention.
As the 4th embodiment of the present invention, main purpose is to combine Fig. 3, Fig. 7 and Fig. 6, introduces second kind of callable anchor rod construction method of the present invention.The first step of second kind of callable anchor rod construction method is with the 3rd above-mentioned embodiment; The 3rd step of present embodiment is with the 4th step of above-mentioned the 3rd embodiment; And the difference between the 3rd embodiment is, second step is in the present embodiment adopted the HTHP heating means during to the body of rod (1) and shell (2) heating.Realize that the HTHP heating means can be such, earlier water is put into cavity (3) as liquid (5), and make the partial volume splendid attire air of cavity (3) for first kind; Then cavity (3) is sealed; Afterwards the liquid (5) in the cavity (3) is heated, liquid in heating process (5) increases the gas content in the cavity (3) with partial gasification; Thereby increase the air pressure in the cavity (3); The boiling point that the interior air pressure of cavity (3) increases back liquid (5) will improve thereupon, thereby reach the purpose that improves heating-up temperature through the air pressure that improves in the cavity (3), and the heating of realization HTHP is heated shell (2).Through HTHP heating, make shell (2) can select fusing point such as epoxy resin, sulphide mastic or softening point to be higher than the material of the boiling point of water, and the optional water of liquid (5) therefore can reduce construction costs significantly, reduces recovery difficult.Second kind of method that realizes the HTHP heating can be such, the water vapour and the cavity (3) of HTHP connected, through the continuous high-temperature high-pressure steam high pressure heating purposes that reaches a high temperature of importing to cavity (3) in.
As the 5th embodiment of the present invention, main purpose is to combine Fig. 7 to introduce with high-pressure heater structure construction of the present invention and operating principle.As shown in Figure 7, this high-pressure heater comprises heater (8), sealer (9), controller (11) three parts composition, and heater wherein (8) comprises lead (12) and heating element (13) two parts composition; Lead (12) passes through sealer (9) and is connected with power supply, and controller (11) is the instrument of control heating-up temperature or cavity (3) internal pressure, in the present embodiment; Heater (8) can adopt daily the boil water heater of usefulness of electricity that is used for; Sealer (9) can adopt can firmly link with the body of rod (1) and can the shutoff cavity device of opening of (3), the body of rod (1) like the nut that is steel tubular structure, can adopts to be complementary as sealer (9); In use; Can pass through the temperature and the pressure of controller (11) timely monitor heating,, can stop heating through power-down mode when heating-up temperature reaches predetermined temperature or cavity (3) when internal pressure reaches predetermined pressure.In above high-pressure heater; It is unexpected that hazard event take place in order to prevent that sealer in the high pressure heating process (9) or other component outwards launch etc. under the high pressure effect; Can increase safety guard (10) in the parts outside that sealer (9) etc. possibly occur launching; Safety guard (10) main purpose is unexpected injury to occur in the prevention high pressure heating process; Can adopt a kind of as safety guard (10) with in the lower device, first kind of safety guard (10) outwards launches in case sealer (9) occurs for being connected between sealer (9) and the body of rod (1) spring being set; By spring sealer (9) is retrained and consumed energy, sealer (9) is not damaged.Second kind of safety guard (10) can be to cover on high-pressure heater safety guard peripheral and that be connected with the body of rod (1), through safety guard the high temperature and high pressure gas and the component that possibly launch carried out safe isolation, to reach the safeguard protection purpose.In above high-pressure heater; In order to improve automaticity; Save the labour, can on high-pressure heater, connect a power supply switch controller (6), after temperature reaches predetermined temperature or after the pressure in the cavity (3) reaches controlled pressure; Report to the police or cut off the power supply of heater (8), prevention over-heating automatically through power supply switch controller (6).
This patent includes but not limited to other job practicess of the alternative use of professional person in this area.
Claims (7)
1. a callable anchor rod construction method is characterized in that comprising the steps:
A) external surface is bonded with adhesion strength and places the soil body or rock-reinforcing body (4), and be close to the body of rod (1) cavity (3) is set with the raise body of rod (1) of the shell (2) reduces of temperature;
B) insert heatable liquid (5) in the recovery forward direction cavity (3);
C) heat the shell (2) that is bonded in the body of rod (1) external surface through the liquid (5) in the heating cavity (3), the adhesion strength between the shell (2) and the body of rod (1) is reduced;
D) reclaim the body of rod (1).
2. a callable anchor rod construction method is characterized in that comprising the steps:
A) external surface is bonded with adhesion strength and places the soil body or rock-reinforcing body (4), and be close to the body of rod (1) cavity (3) is set with the raise body of rod (1) of the shell (2) reduces of temperature;
B) before the recovery cavity (3) is sealed, the shell (2) that in cavity (3), bonds through the HTHP heating body of rod (1) external surface reduces the adhesion strength between the shell (2) and the body of rod (1);
C) reclaim the body of rod (1).
3. cavity body of rod that callable anchor rod construction method as claimed in claim 1 is used; It is characterized in that this cavity body of rod comprises the body of rod (1) and shell (2) two parts that can raise and reduce with temperature with the body of rod (1) bonding and adhesion strength; The cavity (3) of an end opening is contained in the body of rod wherein (1) inside, and shell (2) is positioned at the external surface of the body of rod (1).
4. cavity body of rod that callable anchor rod construction method as claimed in claim 1 is used; It is characterized in that this cavity body of rod comprises the body of rod (1), shell (2) and separate type stiffening rib (7) three parts composition; Shell wherein (2) is for being bonded in the structure that the body of rod (1) external surface and adhesion strength can raise and reduce with temperature; The cavity (3) of an end opening is contained in the body of rod (1) inside; Separate type stiffening rib (7) is positioned at the body of rod (1) external surface and forms scraggly structure at the external surface of the body of rod (1), and separate type stiffening rib (7) is through shell (2) and the body of rod (1) secure bond.
5. used high-pressure heater of callable anchor rod construction method as claimed in claim 2; It is characterized in that this high-pressure heater comprises heater (8), sealer (9), controller (11) three parts composition; Heater wherein (8) comprises lead (12) and heating element (13) two parts composition; Lead (12) passes through sealer (9) and is connected with power supply through controller (11), and thermometer (11) is for measuring the instrument of temperature.
6. high-pressure heater according to claim 5 is characterized in that locating to install safety guard (10) at sealer (9), and safety guard (10) is for preventing the device that sealer (9) under high pressure outwards launches.
7. high-pressure heater according to claim 5; It is characterized in that on controller (11) and heater (8), being connected power supply switch controller (6), power supply switch controller (6) reaches the device that can report to the police or cut off automatically the power supply of heater (8) after the predetermined pressure for heating-up temperature reaches predetermined temperature or pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101386096A CN102660947A (en) | 2011-04-29 | 2012-04-26 | Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101129497A CN102261069A (en) | 2011-04-29 | 2011-04-29 | Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same |
| CN201110112949.7 | 2011-04-29 | ||
| CN2012101386096A CN102660947A (en) | 2011-04-29 | 2012-04-26 | Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102660947A true CN102660947A (en) | 2012-09-12 |
Family
ID=45007887
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101129497A Pending CN102261069A (en) | 2011-04-29 | 2011-04-29 | Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same |
| CN2012101386096A Pending CN102660947A (en) | 2011-04-29 | 2012-04-26 | Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101129497A Pending CN102261069A (en) | 2011-04-29 | 2011-04-29 | Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN102261069A (en) |
| WO (1) | WO2012146062A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014146366A1 (en) * | 2013-03-19 | 2014-09-25 | 苏州市能工基础工程有限责任公司 | Clamping piece-type anchorage for prestressed tendon |
| CN107227962A (en) * | 2017-06-14 | 2017-10-03 | 中铁二院工程集团有限责任公司 | A kind of adjustable tunnel reinforcement structure of dynamic deformation and construction method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261069A (en) * | 2011-04-29 | 2011-11-30 | 张继红 | Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same |
| CN102704476B (en) * | 2012-05-15 | 2014-11-05 | 覃永忠 | Recyclable end bearing anchor |
| CN109441513B (en) * | 2018-11-28 | 2023-10-27 | 山西水利职业技术学院 | Automatic monitoring device for tunnel construction safety |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837503A (en) * | 2006-04-18 | 2006-09-27 | 张继红 | Shell-reclaimable rock-reinforcing construction method and shelling type reinforcement body and reclaiming apparatus used thereby |
| CN101994316A (en) * | 2010-10-15 | 2011-03-30 | 张继红 | Recyclable composite anchor rod and construction method thereof |
| CN102261069A (en) * | 2011-04-29 | 2011-11-30 | 张继红 | Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007070905A2 (en) * | 2005-12-19 | 2007-06-28 | Atlas Copco Mai Gmbh | Heat exchanger |
| CN202157325U (en) * | 2011-04-29 | 2012-03-07 | 张继红 | Recoverable hollow rod for anchor rod construction method |
-
2011
- 2011-04-29 CN CN2011101129497A patent/CN102261069A/en active Pending
-
2012
- 2012-04-26 WO PCT/CN2012/000561 patent/WO2012146062A1/en active Application Filing
- 2012-04-26 CN CN2012101386096A patent/CN102660947A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837503A (en) * | 2006-04-18 | 2006-09-27 | 张继红 | Shell-reclaimable rock-reinforcing construction method and shelling type reinforcement body and reclaiming apparatus used thereby |
| CN101994316A (en) * | 2010-10-15 | 2011-03-30 | 张继红 | Recyclable composite anchor rod and construction method thereof |
| CN102261069A (en) * | 2011-04-29 | 2011-11-30 | 张继红 | Recyclable anchor rod construction method, and cavity rod body and high-pressure heater used by same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014146366A1 (en) * | 2013-03-19 | 2014-09-25 | 苏州市能工基础工程有限责任公司 | Clamping piece-type anchorage for prestressed tendon |
| CN107227962A (en) * | 2017-06-14 | 2017-10-03 | 中铁二院工程集团有限责任公司 | A kind of adjustable tunnel reinforcement structure of dynamic deformation and construction method |
| CN107227962B (en) * | 2017-06-14 | 2023-09-22 | 中铁二院工程集团有限责任公司 | Tunnel reinforcing structure with adjustable dynamic deformation and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102261069A (en) | 2011-11-30 |
| WO2012146062A1 (en) | 2012-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103132518B (en) | Modified clamping piece type anchorage device | |
| CN102660947A (en) | Construction method for recoverable anchor rod, and cavity rod body and high-pressure heater for construction method | |
| CN101994316A (en) | Recyclable composite anchor rod and construction method thereof | |
| CN103122633B (en) | Electric-melting pressure-type recoverable anchor rod construction method | |
| CN102127911A (en) | Recoverable composite anchor rod and construction method thereof | |
| CN102051880B (en) | Detachable anchor | |
| CN207647522U (en) | A kind of reusable telescopic interim steelframe inverted arch structure | |
| CN109555149A (en) | A kind of ocean suction type cylindrical foundation bracing means and its construction method | |
| CN105544554A (en) | Assembly type foundation pit bracing structure and construction method thereof | |
| CN202347520U (en) | High-pressure heater used in construction method of recoverable anchor rods | |
| CN1837503B (en) | Shell-reclaimable rock-reinforcing construction method and shelling type reinforcement body and reclaiming apparatus used thereby | |
| CN103806438B (en) | One kind is in the pre-buried injected hole method of underground chamber base plate | |
| CN104532860A (en) | Recoverable soil nail | |
| CN103397633A (en) | Self-drilling RCA (recycling composite anchor) rod and construction method thereof | |
| CN202157325U (en) | Recoverable hollow rod for anchor rod construction method | |
| CN103898903B (en) | A kind of releasable grappling apparatus and method for dismounting thereof | |
| CN107604937A (en) | The foundation structure of wind-driven generator and its construction method of basic annular type with pre-buried madjack pipe | |
| CN209585090U (en) | A kind of ocean suction type cylindrical foundation bracing means | |
| CN107524247A (en) | A kind of wall body structure for being provided with plastic conduit | |
| CN104818718B (en) | A kind of hot melt self-tipping type anchor head for reclaiming anchor cable | |
| CN103452104A (en) | Anchor with clips and cores convenient to disassemble and method for recycling cores of anchor | |
| CN203066068U (en) | Composite steel with core material capable of being convenient to recover | |
| CN105133853A (en) | Concrete crack repairing construction technology suitable for high and cold regions | |
| CN103088818A (en) | Combined steel with core materials convenient to recover and recovery method thereof | |
| CN203475427U (en) | Self-drilling type recoverable anchor rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120912 |