CN103510540B - Mortar flag stone retaining wall reinforcement construction method and structure thereof - Google Patents
Mortar flag stone retaining wall reinforcement construction method and structure thereof Download PDFInfo
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- CN103510540B CN103510540B CN201210222906.9A CN201210222906A CN103510540B CN 103510540 B CN103510540 B CN 103510540B CN 201210222906 A CN201210222906 A CN 201210222906A CN 103510540 B CN103510540 B CN 103510540B
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Abstract
The present invention relates to retaining wall reinforcement construction method, disclose mortar flag stone retaining wall reinforcement construction method and structure thereof, method is as follows: 1), on retaining wall lateral surface pouring reinforcement concrete panel and perpendicular rib, and reserved sleeve pipe in armored concrete panel and perpendicular rib;2), utilize jumbolter to pass through sleeve pipe after body of wall and wall, Rock And Soil to be holed;3), arranging anchor pole, make anchor pole one end be placed in bolthole, the other end extends to armored concrete and erects outside rib;4), slip casting in boring, carry out tensioning fixation until grout cures and after reaching design strength.Utilize above-mentioned construction method; the ruggedized construction of retaining wall can be formed outside retaining wall; and owing to first forming armored concrete panel and perpendicular rib on retaining wall lateral surface; holed in body of wall by reserved hollow sleeve again; thus the large area of slabstone on retaining wall can be avoided to drop; the overall structure of retaining wall will not be destroyed, preferably protect retaining wall, it is to avoid retaining wall caves in work progress.
Description
Technical field
The present invention relates to the technical field of retaining wall reinforcement construction method, particularly relate to mortar flag stone retaining wall and add
Gu construction method.
Background technology
Mortar flag stone retaining wall is a kind of common retaining structure, and it has easy construction, simple structure, makes
Valency economic dispatch advantage, is particularly suitable for the local construction having sufficient stone material to originate.But, due to body of wall tension
Intensity is relatively low, acts on the antidumping that the tilting moment caused by soil pressure of the wall back of the body produces entirely by the deadweight of wall body
Moment balances.Therefore, the masonry quality of the wall body of retaining wall largely affect retaining wall stability and
Service life.But, this retaining wall easily exists that building wall is of poor quality, rolling earth behind retaining wall is loose, in body of wall
Osculum blocking and Maintenance and Repair such as are not good at the factor, accumulate over a long period, and retaining wall oxygen blast cyanidation easily occurs very
To the phenomenons such as crack occur, need retaining wall to be reinforced or rebuilds.
In prior art, the reinforcement form of retaining wall is had multiple, use fin-plate type to combine anchor pole and reinforce
Being a kind of effective Dam Foundation Strengthened in Situ form, it is it can be avoided that heavy excavation retaining wall, and can utilize original gear soil
Wall, thus reduce the cost of retaining wall reinforcement construction.But, during practice of construction, the most first construct
Anchor pole, then do perpendicular rib and panel, finally anchor pole is carried out tensioning fixation, in this construction method, utilize anchor
During bar drill drill-in anchor ties hole, the unlike pavers stone near boring can be upset, cause retaining wall loose or dislocation, gear
There is the phenomenon emptied in cob wall, and when needing the anchor pole of multiple rows of multiple row, after bolthole is constructed, gear
The globality of cob wall is the most destroyed, thus there is the danger that retaining wall collapses.
Summary of the invention
It is an object of the invention to provide mortar flag stone retaining wall reinforcement construction method, it is intended to solve prior art
In mortar flag stone retaining wall reinforcement construction method destructible retaining wall globality so that asking of collapsing of retaining wall
Topic.
The present invention is achieved in that mortar flag stone retaining wall reinforcement construction method, comprises the following steps:
1), sequentially pouring reinforcement concrete panel and reinforced concrete on described mortar flag stone retaining wall lateral surface
The perpendicular rib of soil, and erect in described armored concrete panel and armored concrete rib arranges sleeve pipe, described sleeve pipe one
End presses on described mortar flag stone retaining wall lateral surface, and the other end extends out to described armored concrete and erects rib
Outward, in it, there is hollow structure;
2), jumbolter is utilized to pass through the hollow structure in described sleeve pipe, in mortar flag stone retaining wall and grout
Rock And Soil after slabstone retaining wall is holed, is available for anchor pole passes so that described mortar flag stone retaining wall is formed
And connect the bolthole of described sleeve pipe hollow structure, and carry out single or multiple boring, retaining wall will not be destroyed
Globality;
3), arranging anchor pole, make described anchor pole one end be placed in described bolthole, the other end passes described sleeve pipe
Hollow structure, extend to described armored concrete and erect outside rib;
4), in described bolthole, cement mortar is injected, after described cement mortar reaches design strength, to institute
State anchor pole carry out prestressed stretch-draw and be locked in described armored concrete and erect on rib.
According to above-mentioned construction method, present invention also offers mortar flag stone retaining wall reinforcement structure.
The present invention is achieved in that mortar flag stone retaining wall reinforcement structure, in described mortar flag stone retaining wall
Be provided with bolthole, including the armored concrete panel sequentially poured in described mortar flag stone retaining wall lateral surface,
Pour the armored concrete in described armored concrete panel outer surface erect rib and be arranged in described reinforced concrete
Soil panel and described armored concrete erect the sleeve pipe in rib, have in the described bolthole of connection in described sleeve pipe
Hollow structure, is equipped with one end and is placed in described bolthole and the other end through described hollow knot in described hollow structure
Structure also extends to the anchor pole that described armored concrete erects outside rib.
Compared with prior art, utilize above-mentioned construction method, can be formed outside retaining wall and be used for reinforcing
The ruggedized construction of retaining wall, and owing to elder generation formation armored concrete panel and reinforcing bar on retaining wall lateral surface mix
The perpendicular rib of solidifying soil, recycles the sleeve pipe of hollow in it and holes in body of wall, thus can avoid slabstone on retaining wall
Large area drops, and will not destroy the overall structure of retaining wall, preferably protect retaining wall, it is to avoid retaining wall is being executed
Cave in during work.
Accompanying drawing explanation
The cut-away illustration of the mortar flag stone retaining wall reinforcement structure that Fig. 1 provides for the embodiment of the present invention;
Armored concrete panel and armored concrete that Fig. 2 provides for the embodiment of the present invention erect rib and mortar flag stone
Cut-away illustration when retaining wall combines;
The jumbolter that utilizes that Fig. 3 provides for the embodiment of the present invention passes through armored concrete panel and reinforced concrete
Cut-away illustration when sleeve pipe in the perpendicular rib of soil is holed in mortar flag stone retaining wall.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Executing example, the present invention is described in more detail.Should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Below in conjunction with concrete accompanying drawing, the realization of the present invention is described in detail.
As shown in Figures 1 to 3, the preferred embodiment provided for the present invention.
The retaining wall 11 that the present embodiment provides is mortar flag stone retaining wall 11, bankets thereafter, this retaining wall 11
After wall, the horizontal thrust of Rock And Soil produces tilting moment to retaining wall 11, needs retaining wall 11 gravity institute own
The moment produced balances, so, generally, the lateral surface of retaining wall 11 is intilted inclined-plane.
Because construction quality is poor, water drainage is smooth in body of wall, or reason, the retaining wall such as body of wall is aging
The phenomenons such as 11 cracking, inclinations, need to reinforce retaining wall 11.
The step of mortar flag stone retaining wall 11 reinforced construction method that the present embodiment provides is as follows:
1), rib is erected at retaining wall 11 lateral surface sequentially pouring reinforcement concrete panel 12 and armored concrete
13, and in armored concrete erects at rib 13, place sleeve pipe 14 so that this sleeve pipe 14 is located in reinforced concrete
Soil panel 12 and armored concrete erect in rib 13, one end is pressed on retaining wall 11 lateral surface, the other end to
Extend to outward perpendicular rib outer surface, this sleeve pipe 14 has hollow structure;
2), utilize jumbolter 17, by the hollow structure of sleeve pipe 14 pore-forming in retaining wall 11, wear
Continue after crossing body of wall the soil body after wall is holed, with formed can for anchor pole 15 through and with in sleeve pipe 14
Hollow structure connection bolthole;
3), inserting anchor pole 15 muscle body in bolthole, muscle body revealed section exposes to armored concrete and erects rib 13
In addition, one end of anchor pole 15 is placed in bolthole, and the other end, through the hollow structure of sleeve pipe 14, extends to
Armored concrete erects outside rib 13;
4), in bolthole, cement mortar is injected, after treating that maintenance expires, after i.e. cement mortar reaches design strength,
Anchor pole 15 is carried out prestressed stretch-draw and is locked in armored concrete and erects on rib 13.
By above four steps, complete on retaining wall 11, arrange that armored concrete panel 12, reinforcing bar mix
The perpendicular rib 13 of solidifying soil and the operation of anchor pole 15, retaining wall 11 mixes at armored concrete panel 12 and reinforcing bar
Under the compressing of the perpendicular rib 13 of solidifying soil, ruggedized construction is securely attached together with retaining wall 11, armored concrete
Panel 12 and armored concrete erect rib 13 ensure retaining wall will not tympanites and fall block, the anchor force of anchor pole 15 is led to
Cross armored concrete panel 12 and armored concrete erects rib 13 and adds the resistance to tipping moment of retaining wall 11, protect
Demonstrate,proved retaining wall 11 will not sliding or topple, thus realize the reinforcing of retaining wall 11.
Due in above-mentioned construction method, the most sequentially pouring reinforcement concrete on retaining wall 11 lateral surface
Panel 12 and armored concrete erect rib 13, and in this process, at armored concrete panel 12 and reinforcing bar
Concrete erects to be provided with in rib 13 and runs through armored concrete panel 12 and armored concrete erects the sleeve pipe 14 of rib 13,
Sleeve pipe 14 there is hollow structure, so, in subsequent operation, utilizes jumbolter 17 by sleeve pipe 14
In hollow structure after retaining wall 11 and wall in Rock And Soil hole.Due to have armored concrete panel 12 and
Armored concrete erects the protective effect of rib 13, will not damage retaining wall 11, do not result in drill hole during boring
The large area of retaining wall 11 slabstone drops, and especially when repeatedly holing, will not destroy retaining wall 11
Globality, preferably protects former retaining wall 11, thus retaining wall 11 can be avoided to cave at work progress.
Many times, in order to ensure the steadiness that armored concrete panel 12 is connected with retaining wall 11 lateral surface,
In above-mentioned steps 1) in before pouring reinforcement concrete panel 12, need the lateral surface of retaining wall 11 is entered
Row cleaning, manner of cleaning up can variation.
When armored concrete panel 12 and armored concrete erect after rib 13 pours, utilize jumbolter 17
Before carrying out drilling operation, namely above-mentioned steps 2) before, for the ease of workmen at reinforced concrete
Carry out drilling operation outside the perpendicular rib 13 of soil, need outside armored concrete erects rib 13, build scaffold 18, for
Workmen carries out drilling operation, certainly, depending on the shape of scaffold 18 etc. can be according to practice of construction situation.
In above-mentioned construction method step 4) in, after anchor pole 15 carries out prestressed stretch-draw, anchor pole 15 another
One end is exposed at armored concrete and erects outside rib 13, as such, it is possible to erect the outer surface of rib 13 at armored concrete
On pour sealing off and covering anchorage body 19, expose outside armored concrete erect the other end of rib 13 outer surface for wrapping up anchor pole 15,
Anchor pole 15 is prevented to be corroded.
According to above-mentioned construction method, the present embodiment additionally provides mortar flag stone retaining wall reinforcement structure 1, tool
Body is as follows:
This ruggedized construction 1 include the armored concrete panel 12 that is sequentially cast on retaining wall 11 lateral surface with
And armored concrete erects rib 13, retaining wall 11 is provided with in bolthole, armored concrete panel 12 and perpendicular rib
It is equipped with sleeve pipe 14, sleeve pipe 14 has hollow structure, the anchor pole in this hollow structure connection retaining wall 11
15 hollow structures, say, that hollow structure and bolthole form one and run through perpendicular rib, panel and gear soil
The position, hole of wall 11, is equipped with anchor pole 15 in the hollow structure of sleeve pipe 14, one end of anchor pole 15 is placed in gear soil
In the bolthole of wall 11, the other end is placed through the hollow structure of sleeve pipe 14, is placed in armored concrete and erects rib
Outside 13.
So, utilize above-mentioned ruggedized construction 1, so that retaining wall 11 is effectively reinforced, anti-backstop
There is tympanites, ftractures and phenomenon of toppling in cob wall 11.
So that armored concrete panel 12 can preferably be pressed on retaining wall 11, to retaining wall 11
Playing reinforcement effect, armored concrete panel 12 is cast on the lateral surface of retaining wall 11, and in gear soil
Skewed setting inside wall 11, so, the moment loading that armored concrete panel 12 self gravitation produces exists
On retaining wall 11, retaining wall 11 is played the relatively firm effect reinforced.
Same reason, armored concrete erects rib 13 and is cast on armored concrete panel 12 outer surface, and
In setting skewed inside retaining wall 11.
In order to preferable spacer bar concrete erects rib 13, along retaining wall 11 lateral surface lower end bearing of trend,
Armored concrete erects rib 13 lower end and is provided with grade beam 10.
After anchor pole 15 carries out prestressed stretch-draw locking, the other end of anchor pole 15 is exposed at armored concrete and erects
Outside rib 13, so, in order to protect anchor pole 15, the outer surface that armored concrete erects rib 13 pours sealing off and covering anchorage
Body 19, its parcel anchor pole 15 exposes outside armored concrete and erects the other end of rib 13 outer surface.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (9)
1. mortar flag stone retaining wall reinforcement construction method, it is characterised in that comprise the following steps:
1), sequentially pouring reinforcement concrete panel and reinforced concrete on described mortar flag stone retaining wall lateral surface
The perpendicular rib of soil, and erect in described armored concrete panel and armored concrete rib arranges sleeve pipe, described sleeve pipe one
End presses on described mortar flag stone retaining wall lateral surface, and the other end extends out to described armored concrete and erects rib
Outward, in it, there is hollow structure;
2), jumbolter is utilized to pass through the hollow structure in described sleeve pipe, in mortar flag stone retaining wall and grout
Rock And Soil after slabstone retaining wall is holed, is available for anchor pole passes so that described mortar flag stone retaining wall is formed
And connect the bolthole of described sleeve pipe hollow structure, and carry out single or multiple boring, retaining wall will not be destroyed
Globality;
3), arranging anchor pole, make described anchor pole one end be placed in described bolthole, the other end passes described sleeve pipe
Hollow structure, extend to described armored concrete and erect outside rib;
4), in described bolthole, cement mortar is injected, after described cement mortar reaches design strength, to institute
State anchor pole carry out prestressed stretch-draw and be locked in described armored concrete and erect on rib.
2. mortar flag stone retaining wall reinforcement construction method as claimed in claim 1, it is characterised in that work as anchor
After bar carries out prestressed stretch-draw, erect rib outer surface in described armored concrete and pour sealing off and covering anchorage body, described with parcel
Anchor pole extends to described armored concrete and erects the other end of rib outer surface.
3. mortar flag stone retaining wall reinforcement construction method as claimed in claim 1, it is characterised in that in institute
State before mortar flag stone retaining wall lateral surface pours described armored concrete panel, to described mortar flag stone retaining wall
Lateral surface is cleared up.
4. mortar flag stone retaining wall reinforcement construction method as claimed in claim 1, it is characterised in that utilize
Before described mortar flag stone retaining wall is holed by described jumbolter, erect in described armored concrete and build outside rib
It is easy to the scaffold of workmen's construction.
5. obtained by the mortar flag stone retaining wall reinforcement construction method as described in any one of claim 1-4
Mortar flag stone retaining wall reinforcement structure, is provided with bolthole in described mortar flag stone retaining wall, it is characterised in that
Including the armored concrete panel sequentially poured in described mortar flag stone retaining wall lateral surface, pour in described steel
The armored concrete of reinforced concrete panel outer surface erects rib and is arranged in described armored concrete panel and described
Armored concrete erects the sleeve pipe in rib, has the hollow structure connecting described bolthole in described sleeve pipe, described
Hollow structure is equipped with one end be placed in described bolthole and the other end and through described hollow structure and extend to institute
State the anchor pole that armored concrete erects outside rib.
6. mortar flag stone retaining wall reinforcement structure as claimed in claim 5, it is characterised in that described reinforcing bar
Described mortar flag stone retaining wall outer surface is close to by concrete slab.
7. mortar flag stone retaining wall reinforcement structure as claimed in claim 5, it is characterised in that described reinforcing bar
Concrete erects rib towards skewed setting inside described mortar flag stone retaining wall.
8. mortar flag stone retaining wall reinforcement structure as claimed in claim 5, it is characterised in that also include setting
The grade beam of lower end outside described mortar flag stone retaining wall, described perpendicular rib lower end presses on described grade beam.
9. mortar flag stone retaining wall reinforcement structure as claimed in claim 5, it is characterised in that described reinforcing bar
Concrete erects rib outer surface and is provided with and extends to described armored concrete and erect rib outer surface for wrapping up described anchor pole
The sealing off and covering anchorage body of the other end.
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CN105926652B (en) * | 2016-07-06 | 2018-02-06 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of reinforcement means and structure of earth-retaining sloping core |
CN106759467A (en) * | 2016-11-17 | 2017-05-31 | 天津市市政工程设计研究院 | A kind of unstability reinforced earth bulkhead reinforces the construction method of maintenance |
CN108331010A (en) * | 2018-01-16 | 2018-07-27 | 湖北工业大学 | A kind of stone masonry vertical retaining wall structure ecological reconstruction structure and method |
CN109736323A (en) * | 2019-01-11 | 2019-05-10 | 河北中地志诚土木工程有限公司 | A kind of frequency conversion soil nail wall and its method for protecting support |
CN110106914A (en) * | 2019-06-06 | 2019-08-09 | 长沙学院 | A kind of gravity retaining wall bracing means and method |
CN110670625A (en) * | 2019-09-02 | 2020-01-10 | 中国电建集团贵阳勘测设计研究院有限公司 | Reinforced retaining wall structure and construction method thereof |
CN112878358A (en) * | 2020-09-13 | 2021-06-01 | 湖南城市学院 | Existing retaining wall reinforcing construction method and reinforcing structure thereof |
CN113073680B (en) * | 2021-04-25 | 2022-04-12 | 中铁二院工程集团有限责任公司 | Slag disposal site retaining wall structure of plateau high-cold area and construction method thereof |
CN115404909A (en) * | 2022-10-13 | 2022-11-29 | 中建八局浙江建设有限公司 | Reverse construction method for plate rib type anchor rod retaining wall process |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004353267A (en) * | 2003-05-28 | 2004-12-16 | Ohbayashi Corp | Construction method of wall structure provided with permanent anchor, and wall structure constructed by this method |
CN202108045U (en) * | 2011-05-25 | 2012-01-11 | 华东建筑设计研究院有限公司 | Sleeve pipe with anchor rod penetrating through underground continuous wall |
CN202131610U (en) * | 2011-07-07 | 2012-02-01 | 铁道第三勘察设计院集团有限公司 | Prestressed anchor rope buttress type dead wall applicable for rock foundation |
CN102418348A (en) * | 2011-08-23 | 2012-04-18 | 谢清光 | Construction technology of using occlusive pile to form underground continuous wall |
-
2012
- 2012-06-29 CN CN201210222906.9A patent/CN103510540B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004353267A (en) * | 2003-05-28 | 2004-12-16 | Ohbayashi Corp | Construction method of wall structure provided with permanent anchor, and wall structure constructed by this method |
CN202108045U (en) * | 2011-05-25 | 2012-01-11 | 华东建筑设计研究院有限公司 | Sleeve pipe with anchor rod penetrating through underground continuous wall |
CN202131610U (en) * | 2011-07-07 | 2012-02-01 | 铁道第三勘察设计院集团有限公司 | Prestressed anchor rope buttress type dead wall applicable for rock foundation |
CN102418348A (en) * | 2011-08-23 | 2012-04-18 | 谢清光 | Construction technology of using occlusive pile to form underground continuous wall |
Non-Patent Citations (1)
Title |
---|
钢筋砼和浆砌片石组合式挡土墙的设计与施工;宋桂锋,谭恒程等;《城市建设理论研究(电子版)》;20110920(第26期);第1小节,第2小节,第3小节,第6小节,图2.1、2.2、2.3 * |
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Address after: 1501, Botai gongkan building, 8 Keji South 8th Road, high tech community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: SHENZHEN GONGKAN GEOTECHNICAL GROUP Co.,Ltd. Address before: 518026 floors 20-22, middle building, Fujing building, Fuzhong Road, Futian District, Shenzhen, Guangdong Province Patentee before: SHENZHEN GONGKAN GEOTECHNICAL ENGINEERING Co.,Ltd. |