CN106703434A - Adobe wall reinforcing device - Google Patents

Adobe wall reinforcing device Download PDF

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Publication number
CN106703434A
CN106703434A CN201611262752.0A CN201611262752A CN106703434A CN 106703434 A CN106703434 A CN 106703434A CN 201611262752 A CN201611262752 A CN 201611262752A CN 106703434 A CN106703434 A CN 106703434A
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China
Prior art keywords
ductility
raw
cross
section
soil
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CN201611262752.0A
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CN106703434B (en
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邓明科
卜新星
潘姣姣
张思海
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Xi'an Wuhe New Material Technology Group Co ltd
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Xi'an Five And Civil Engineering New Materials Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • E04G23/0222Replacing or adding wall ties

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

The invention discloses an adobe wall reinforcing device comprising high ductility concrete combined brick columns, high ductility concrete surface layers, T-shaped steel tie bars, horizontal reinforcing steel bars and high ductility concrete shear keys. A vertical groove and a horizontal groove are formed in the adobe wall, the high ductility concrete shear keys are uniformly distributed in the vertical groove and the horizontal groove, and the T-shaped steel tie bars and the high ductility concrete combined brick columns are arranged in the vertical grooves; the horizontal reinforcing steel bars are distributed in the horizontal groove, and the high ductility concrete shear keys and the T-shaped steel tie bars are also arranged in the horizontal groove; and the surfaces of both the vertical groove and the horizontal groove are uniformly coated with the high ductility concrete surface layers. According to the reinforcing device provided by the invention, the adobe wall is reinforced by additionally arranging the brick columns and the horizontal reinforcing steel bars and coating the high ductility concrete surface layers; the high ductility concrete surface layers are well adhered with the brick columns, and jointly bear a vertical load with the same; the surface layers and the brick column generate a horizontal restrain effect on the adobe wall, so as to prevent the adobe wall from deforming excessively, and thus bearing capacity and seismic performance of the wall are improved.

Description

A kind of raw-soil wall bracing means
Technical field
The present invention relates to building structure aseismatic and reinforcement technique field, and in particular to a kind of hyperplasia cob wall bracing means.
Background technology
Raw-soil wall is a kind of ancient masonry way of comparing, still has the presence of such building in China some areas and makes With.But low intensity, fragility is big in itself for this kind of materials for wall, deformability is very poor, and bearing capacity declines rapidly under geological process, pole Easily collapse, cause serious economic loss and casualties.Therefore, it is badly in need of seeking a kind of anti-seismic performance for improving raw-soil wall Especially increase the effective measures of ductility, to meet the safe handling demand of raw-soil wall.
The construction of raw-soil wall building is of the remote past, therefore some overall structures are more complete, profile has building for characteristics of the times Build with certain value for preservation.It is also the mode for preserving raw-soil wall building that existing raw-soil wall building reinforce.It is existing Reinforcement technique, can usually destroy the facade of wall, destroy the alien invasion of wall, reduce the value for preservation of building.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of raw-soil wall bracing means.
To realize above-mentioned target, the technical solution adopted by the present invention is as follows:
A kind of raw-soil wall bracing means, including brick post, ductility concrete topping high, level ductility concrete belt high, T-shaped are drawn Knot reinforcing bar, horizontal reinforcement and ductility anti-shear concrete key high;
Raw-soil wall surface offers some horizontal grooves and vertical groove;
The horizontal groove bottom is provided with hole, and described hole is axially vertical with raw-soil wall metope, is axially arranged with along hole Cross section hole of different sizes, and it is respectively the first cross section and the second cross section, first cross section towards wall inside Diameter is less than second cross-sectional diameter;
Ductility concrete high is poured in described hole, ductility anti-shear concrete key high is constituted;The ductility agent on crack resistance of concrete high Cut and be embedded with key T-shaped steel tie;
Horizontal reinforcement is placed with horizontal groove, the horizontal reinforcement is together with the T-shaped steel tie colligation;
Perfusion ductility concrete high in horizontal groove, constitutes level ductility concrete belt high, the level ductility coagulation high Soil zone coats horizontal reinforcement and T-shaped steel tie;
The vertical bottom portion of groove is provided with hole, and described hole is axially vertical with raw-soil wall metope, is axially arranged with along hole Cross section hole of different sizes, and it is respectively the 3rd cross section and the 4th cross section, the 3rd cross section towards wall inside Diameter is less than the 4th cross-sectional diameter;Ductility concrete high is poured in hole, ductility anti-shear concrete key high is constituted;
Brick post is built in the vertical groove by laying bricks or stones, brick pillar height degree is contour with raw-soil wall;
T-shaped steel tie is embedded with the vertical bottom portion of groove ductility anti-shear concrete key high, T-shaped steel tie has termination Brick post is stretched out in one end of reinforcing bar;
Raw-soil wall surface unslotted part is provided with hole, and described hole is axially vertical with raw-soil wall metope, along hole axial direction Cross section hole of different sizes is provided with, and the 5th cross section and the 6th cross section are respectively towards wall inside, the described 5th is horizontal Diameter of section is less than the 6th cross-sectional diameter;Ductility concrete high is poured in hole, ductility anti-shear concrete key high is constituted;
T-shaped steel tie is embedded with the ductility anti-shear concrete key high, the T-shaped steel tie has the one of termination reinforcing bar Distal process birth cob wall metope;
Ductility concrete topping high is coated with raw-soil wall outer surface, the ductility concrete topping thickness high is 15~ 30mm;Brick post is stretched out the T-shaped steel tie on brick post surface, the T-shaped drawknot of prominent raw-soil wall metope by ductility concrete topping high Reinforcing bar and level ductility concrete belt cladding high.
Optionally, the width of the horizontal groove is 150~300mm, and depth is between 30~100mm, adjacent level groove Away from being 900~1500mm.
Optionally, the depth of described hole is 100~150mm;First cross section, the 3rd cross section and the 5th cross section are straight Footpath is 25~50mm;Second cross section, the 4th cross section and the 6th cross-sectional diameter are 80~120mm.
Optionally, a diameter of 6~10mm of the T-shaped steel tie.
Optionally, the horizontal range of adjacent holes is 600~1000mm in the horizontal groove.
Optionally, the vertical recess width is 240~620mm, and depth is between 150~400mm, adjacent vertical groove Away from being 1000~1500m.
Optionally, in the vertical groove adjacent holes horizontal range be 120~240mm, vertical distance be 300~ 600mm。
Optionally, the horizontal range of raw-soil wall surface unslotted part adjacent holes be 600~1000mm, vertically away from From being 600~1000mm.
In addition, T-shaped steel tie in the vertical groove imbed length in ductility anti-shear concrete key high for 100~ 150mm, the length that T-shaped steel tie stretches out brick post is the half of ductility concrete topping thickness high.
Further, the component of the ductility concrete high is cement, flyash, sand, PVA fibers, water reducer and water;By quality Percentages, cement:Flyash:Sand:Water=1:1:0.76:0.58;
With the cumulative volume of cement, flyash, sand and water after well mixed as radix, the volume volume of PVA fibers is 1.5%;The addition of water reducer is the 0.8% of cement, flyash and silicon ash gross mass.
Compared with prior art, the characteristics of present invention has following:
(1) this bracing means reinforces raw-soil wall using brick post and smearing ductility concrete topping high is set up, and ductility high is mixed Solidifying soil surface layer is bonded well with brick post, and brick post shared vertical load, and surface layer and brick post opposite cob wall produce lateral confinement Effect, prevents it from excessive deformation occurring, and improves the bearing capacity and anti-seismic performance of wall.It has easy construction, cost compared with The preferable advantage of low and ductility.
(2) level of this bracing means ductility concrete belt high forms similar framework with vertical ductility concrete combination column high Structure, enhance the globality of wall.
(3) this bracing means uses ductility anti-shear concrete key high, that is, increased level ductility concrete belt high and wall Cooperative ability, can prevent level ductility concrete belt high peeling-off with wall again.Ductility anti-shear concrete key high can With embedding and anchoring T-shaped tension rib, reinforcing bar passes through destruction of the wall to alien invasion in solving traditional approach.
(4) after the completion of this bracing means is reinforced, thickness of wall body does not increase, and the interior facade of wall can keep smooth without protrusion, Facilitate the finishing in later stage.
(5), the bracing means can be reinforced only on the inside of wall, and wall alien invasion is not changed.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is elevational schematic view of the invention.
Fig. 2 is raw-soil wall surface groove of the present invention and hole profile.
Fig. 3 is raw-soil wall surface groove of the present invention and hole A-A profiles.
Fig. 4 is raw-soil wall surface groove of the present invention and hole B-B profiles.
Fig. 5 is raw-soil wall surface groove of the present invention and hole C-C profiles.
Fig. 6 is raw-soil wall surface hole defect F-F profiles of the present invention.
Fig. 7 is top view of the invention.
Fig. 8 is A-A profiles of the invention.
Fig. 9 is B-B profiles of the invention.
Each code is represented in figure:1- raw-soil walls;2- brick posts;3- ductility concrete toppings high;4-T shape steel ties;5- water Flat reinforcing bar;6- ductility anti-shear concrete keys high;7- levels ductility concrete belt high, 8- holes;The cross sections of 801- first;802- Two cross sections;The cross sections of 803- the 3rd;The cross sections of 804- the 4th;The cross sections of 805- the 5th;The cross sections of 806- the 6th;9- levels are recessed Groove;10- vertical grooves.
Specific embodiment
The component of ductility concrete high of the invention is cement, flyash, sand, PVA fibers, water reducer and water;Wherein, press Mass percent meter, cement:Flyash:Sand:Water=1:1:0.76:0.58;After being well mixed with cement, flyash, sand and water Cumulative volume be radix, the volume volume of PVA fibers is 1.5%;The addition of water reducer is cement, flyash and the total matter of silicon ash The 0.8% of amount.
The stirring means of above-mentioned ductility concrete high are:Cement, flyash and sand are poured into forced mixer first Dry mixing 2~3 minutes;Add water reducer and 80% water;It is subsequently adding and remaining 20% is added after PVA fibers are stirred for 2 minutes Water, stir 1~2 minute.
Embodiment:
Specific construction step of the invention is as follows:
Step one:Vertical groove and horizontal groove are opened up on raw-soil wall;
Step 2:In the vertical groove and horizontal groove, the hole that inside is enlarged footing is got out with drill, in hole T-shaped connection reinforcing bar is imbedded in hole, ductility concrete high is poured into hole;
Step 3:, width identical brick post identical with depth of groove is built by laying bricks or stones in vertical groove, in building process, it is ensured that T Perps of the shape connection reinforcing bar through brick post;
Step 4:Horizontal reinforcement is placed in horizontal groove, together with T-shaped connection reinforcing bar colligation, Gao Yan is then filled up Property concrete.
Step 5:Ductility concrete topping high is smeared in the whole metope of raw-soil wall.
With reference to Fig. 1~Fig. 4, the present embodiment length of raw-soil wall 1 to be reinforced is 4.5m, is highly 3m, and thickness is 500mm.This The wall that embodiment is given includes:Including raw-soil wall 1, brick post 2, ductility concrete topping 3 high, T-shaped steel tie 4 and ductility high Anti-shear concrete key 6,1 on the raw-soil wall on open up width for 490mm, depth are 180mm's every 1500mm in the horizontal direction Vertical groove, height is opened up for 300mm, depth are the horizontal groove of 30mm along wall height every 1000mm;In vertical groove Interior is filling ductility high in 240mm, hole along the wall distance got out every 500mm between 2 holes of a diameter of 50mm, hole high Concrete, forms the T-shaped connection steel that a diameter of 6mm is placed in ductility anti-shear concrete key 6 high, ductility anti-shear concrete key 6 high Muscle 4, one end of the T-shaped connection Endless reinforcing bar of reinforcing bar 4 is imbedded in ductility anti-shear concrete key 6 high, there is a distal process of termination reinforcing bar Go out metope 15mm;At horizontal groove bottom filling in holes of a diameter of 50mm with enlarged footing, hole is got out along wall is long every 500mm Ductility concrete high, forms the T-shaped that a diameter of 6mm is placed in ductility anti-shear concrete key 6 high, ductility anti-shear concrete key 6 high Connection reinforcing bar 4, one end of the T-shaped connection Endless reinforcing bar of reinforcing bar 4 is imbedded in ductility anti-shear concrete key 6 high, there is termination reinforcing bar One end protrudes metope 15mm;The masonry of cement mortar width of M5.0 is used in the vertical groove for 490mm, thickness are To floor bottom, brick strength grade is MU10 to 180mm thick brick post 2, in building process, it is ensured that T-shaped connection reinforcing bar 4 passes through brick post Perps, while the space filled up between brick post 2 and raw-soil wall 1 with cement mortar;Horizontal steel is placed in the horizontal groove Muscle, together with the termination reinforcing bar colligation of T steel muscle, horizontal reinforcement passes through from the horizontal joint of brick post 2, then mixed with ductility high Solidifying soil fills up horizontal groove, forms level ductility concrete belt 7 high;Finally, ductility concrete surface high is coated on whole metope Layer 3, the thickness of ductility concrete topping 3 high is 30mm, and the ductility concrete topping 3 high is by brick post and level ductility concrete high Band 7 is coated.
Above-described embodiment:The maximum particle diameter of sand used is 1.26mm in ductility concrete high;PVA fibers are Shanghai Luo Yang sections The PA600 fiber types of skill Co., Ltd production, length is 8mm, and a diameter of 26 μm, tensile strength is 1200MPa, and elastic modelling quantity is 30GPa;Cement is P.O.42.5R portland cements;Flyash is I grade of flyash;Water reducer is water-reducing rate more than 30% High-efficiency water-reducing agent of poly-carboxylic acid, polycarboxylate water-reducer is Jiangsu Botexin Materials Co., Ltd's production- I type polycarboxylic acids is high Performance water reducer.
Ductility concrete high is a kind of construction material with high intensity, ductility high, high-durability and high damnification resistant ability, Reinforced using ductility concrete topping opposite cob wall body high, bearing capacity ability can be improved.In raw-soil wall wall The brick post set up, after its surface is coated with ductility concrete topping high, anti-seismic performance and deformability are improved, can be in the raw-soil Effect of contraction is formed inside wall wall to it, the anti-seismic performance of raw-soil wall is improved;Level ductility concrete belt high is strengthened to metope Horizontal effect of contraction, improves the deformability of wall.Ductility anti-shear concrete key high, increased ductility concrete topping high with The cooperative ability of wall, prevents ductility concrete topping high peeling-off with wall.The bracing means can only in wall Side is reinforced, and wall alien invasion is not changed, is conducive to preserving valuable raw-soil wall building.
This bracing means reinforces raw-soil wall using brick post and smearing ductility concrete topping high is set up.Because ductility high is mixed Solidifying soil surface layer has good adhesive property with brick post, can brick column combination cooperation together;Ductility concrete topping high with The deformation Constrained effect of the modular tile post opposite cob wall that brick post is formed, prevents it from brittle deformation occurring, and improves holding for wall Carry power and anti-seismic performance.Level ductility concrete belt high forms the structure of similar framework with vertical ductility concrete combination column high, Enhance the globality of wall.
Its work progress is simple and efficient, it is easy to operate, and form of construction work will not increase thickness of wall body.

Claims (10)

1. a kind of raw-soil wall bracing means, it is characterised in that:Including brick post (2), ductility concrete topping (3) high, horizontal Gao Yan Property concrete belt (7), T-shaped steel tie (4), horizontal reinforcement (5) and ductility anti-shear concrete key (6) high;
Raw-soil wall (1) surface offers some horizontal grooves (9) and vertical groove (10);
Horizontal groove (9) bottom is provided with hole (8), and described hole (8) is axially vertical with raw-soil wall (1) metope, along hole (8) it is axially arranged with cross section hole of different sizes, and the first cross section and the second cross section is respectively towards wall inside, it is described First cross section (801) diameter is less than the second cross section (802) diameter;
Ductility concrete high is poured in described hole (8), ductility anti-shear concrete key (6) high is constituted;The ductility concrete high T-shaped steel tie (4) is embedded with shear key (6);
Horizontal reinforcement (5) is placed with horizontal groove (9), the horizontal reinforcement (5) exists with the T-shaped steel tie (4) colligation Together;
Perfusion ductility concrete high in horizontal groove (9), constitutes level ductility concrete belt (7) high, and the level ductility high is mixed Solidifying soil zone (7) coats horizontal reinforcement (5) and T-shaped steel tie (4);
Vertical groove (10) bottom is provided with hole (8), and described hole (8) is axially vertical with raw-soil wall (1) metope, along hole (8) it is axially arranged with cross section hole of different sizes, and the 3rd cross section (803) and the 4th cross section is respectively towards wall inside (804), the 3rd cross section (803) diameter is less than the 4th cross section (804) diameter;Ductility coagulation high is poured in hole (8) Soil, constitutes ductility anti-shear concrete key (6) high;
Brick post (2) has been built by laying bricks or stones in the vertical groove (10), brick post (2) is highly contour with raw-soil wall (1);
T-shaped steel tie (4), T-shaped steel tie are embedded with vertical groove (10) the bottom ductility anti-shear concrete key (6) high (4) brick post (2) is stretched out in the one end for having termination reinforcing bar;
Raw-soil wall (1) surface unslotted part is provided with hole (8), described hole (8) axial direction, edge vertical with raw-soil wall (1) metope Hole (8) is axially arranged with cross section hole of different sizes, and is respectively the 5th cross section (805) and the 6th horizontal stroke towards wall inside Section (806), the 5th cross section (805) diameter is less than the 6th cross section (806) diameter;Ductility high is poured in hole (8) Concrete, constitutes ductility anti-shear concrete key (6) high;
T-shaped steel tie (4) is embedded with the ductility anti-shear concrete key (6) high, the T-shaped steel tie (4) has termination steel One end of muscle protrudes the raw-soil wall (1) metope;
Ductility concrete topping (3) high is coated with raw-soil wall (1) outer surface, ductility concrete topping (3) thickness high is 15~30mm;Brick post (2) are stretched out the T-shaped steel tie (4) on brick post (2) surface, prominent life by ductility concrete topping (3) high T-shaped steel tie (4) and level ductility concrete belt (7) cladding high of cob wall (1) metope.
2. raw-soil bracing means as claimed in claim 1, it is characterised in that:The width of the horizontal groove (9) be 150~ 300mm, depth is 30~100mm, and adjacent level groove spacing is 900~1500mm.
3. raw-soil bracing means as claimed in claim 1, it is characterised in that:The depth of described hole (8) is 100~150mm; First cross section (801), the 3rd cross section (803) and the 5th cross section (805) a diameter of 25~50mm;Second cross section (802), the 4th cross section (804) and the 6th cross section (806) a diameter of 80~120mm.
4. raw-soil bracing means as claimed in claim 1, it is characterised in that:A diameter of the 6 of the T-shaped steel tie (4)~ 10mm。
5. raw-soil bracing means as claimed in claim 1, it is characterised in that:The interior adjacent holes of the horizontal groove (9) (8) Horizontal range is 600~1000mm.
6. raw-soil bracing means as claimed in claim 1, it is characterised in that:The vertical recess width is 240~620mm, Depth is 150~400mm, and the spacing of adjacent vertical groove is 1000~1500m.
7. raw-soil bracing means as claimed in claim 1, it is characterised in that:The interior adjacent holes of the vertical groove (10) (8) Horizontal range be 120~240mm, vertical distance be 300~600mm.
8. raw-soil bracing means as claimed in claim 1, it is characterised in that:Raw-soil wall (1) surface unslotted part phase The horizontal range of adjacent hole (8) is 600~1000mm, and vertical distance is 600~1000mm.
9. raw-soil bracing means as claimed in claim 1, it is characterised in that:T-shaped drawknot steel in the vertical groove (10) The length that muscle (4) is imbedded in ductility anti-shear concrete key (6) high is 100~150mm, and T-shaped steel tie (4) stretches out brick post (2) Length for ductility concrete topping (3) thickness high half.
10. raw-soil bracing means as claimed in claim 1, it is characterised in that:The component of the ductility concrete high be cement, Flyash, sand, PVA fibers, water reducer and water;By mass percentage, cement:Flyash:Sand:Water=1:1:0.76:0.58;
With the cumulative volume of cement, flyash, sand and water after well mixed as radix, the volume volume of PVA fibers is 1.5%;Subtract The addition of aqua is the 0.8% of cement, flyash and silicon ash gross mass.
CN201611262752.0A 2016-12-30 2016-12-30 Raw soil wall reinforcing apparatus Active CN106703434B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106703434B CN106703434B (en) 2022-04-19

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN112096113A (en) * 2020-09-11 2020-12-18 西安建筑科技大学 High-ductility concrete caulking reinforced ancient building masonry wall and reinforcing construction process thereof
CN113605562A (en) * 2021-09-13 2021-11-05 西安五和土木工程新材料有限公司 Reinforced filling wall structure and construction method thereof
CN114991515A (en) * 2022-05-09 2022-09-02 中建八局第三建设有限公司 Reinforcing method for old wall of ancient building
CN115726599A (en) * 2022-12-06 2023-03-03 江苏海洋大学 Method for additionally arranging masonry wall constructional column by embedding fiber rod
WO2023035804A1 (en) * 2021-09-10 2023-03-16 上海建为历保科技股份有限公司 Reinforcement apparatus for wok ear rammed earth wall correction

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CN105275222A (en) * 2015-11-24 2016-01-27 郑州大学 Immature soil coil-filling type traditional folk house wall reinforcing structure and reinforcing method
CN106088411A (en) * 2016-06-24 2016-11-09 长安大学 The rainwater-proof of a kind of existing raw-soil body of wall corrodes reinforcement means
CN206521953U (en) * 2016-12-30 2017-09-26 西安五和土木工程新材料有限公司 A kind of raw-soil wall bracing means

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CN101349111A (en) * 2008-08-18 2009-01-21 昆明理工大学 Technique for reinforcing primary raw soil building soil wall steel wire net
CN101832032A (en) * 2010-03-26 2010-09-15 建研科技股份有限公司 Disaster prevention and reinforcement method for wood frame raw soil enclosure wall house
CN202945702U (en) * 2012-11-04 2013-05-22 西安建筑科技大学 Frame infilled wall reinforced by high ductility fiber concrete
CN105275222A (en) * 2015-11-24 2016-01-27 郑州大学 Immature soil coil-filling type traditional folk house wall reinforcing structure and reinforcing method
CN106088411A (en) * 2016-06-24 2016-11-09 长安大学 The rainwater-proof of a kind of existing raw-soil body of wall corrodes reinforcement means
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112096113A (en) * 2020-09-11 2020-12-18 西安建筑科技大学 High-ductility concrete caulking reinforced ancient building masonry wall and reinforcing construction process thereof
WO2023035804A1 (en) * 2021-09-10 2023-03-16 上海建为历保科技股份有限公司 Reinforcement apparatus for wok ear rammed earth wall correction
CN113605562A (en) * 2021-09-13 2021-11-05 西安五和土木工程新材料有限公司 Reinforced filling wall structure and construction method thereof
CN114991515A (en) * 2022-05-09 2022-09-02 中建八局第三建设有限公司 Reinforcing method for old wall of ancient building
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CN115726599A (en) * 2022-12-06 2023-03-03 江苏海洋大学 Method for additionally arranging masonry wall constructional column by embedding fiber rod

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