CN104628350B - A kind of binding agent and reinforcement means for earth building surface - Google Patents
A kind of binding agent and reinforcement means for earth building surface Download PDFInfo
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- CN104628350B CN104628350B CN201310547438.7A CN201310547438A CN104628350B CN 104628350 B CN104628350 B CN 104628350B CN 201310547438 A CN201310547438 A CN 201310547438A CN 104628350 B CN104628350 B CN 104628350B
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Abstract
The invention discloses a kind of binding agent for earth building surface, the binding agent includes the component matched as follows：Baume degrees is 35 degree 45 degree of waterglass：Building sand：Curing agent is 1:2.3‑3.0:0.05‑0.22.Reinforcement material can firmly be pasted onto raw-soil surface of wall by binding agent of the present invention, improve the shock resistance of material of raw-soil structure, and the development for suppressing wall body slit in earthquake improves the Resistance to wind Erosion of wall simultaneously.
Description
Technical field
The present invention relates to technical field of structural reinforcement, more particularly to a kind of binding agent for earth building surface and adds
Solid method.
Background technology
Earth building refers to be mainly that material builds building for agent structure with the undisturbed soil for not being calcined and only making simply to process
Build, be building type that is a kind of most ancient and being also widely used always so far, almost extend over the entire globe.But by material
The limitation of mechanical strength, material of raw-soil structure house, either adobe house or rammed earth construction, all inevitably there is asking for shock resistance difference
Topic.Rural area, low developed area, the construction of earth building, day are distributed in mostly plus the material of raw-soil structure house used at present
Condition deficiency is often safeguarded, the shock resistance of building is more weakened, is often destroyed seriously in earthquake, jeopardize resident's life and wealth
Production.
At present, some existing more ripe technologies can improve the structural strength of earth building, include the PISE skills of France
Art, the designing of reinforced earth wall, the design of special-shaped adobe etc..But these technologies are primarily directed to newly-built earth building,
It is not suitable for the reinforcing of active service adobe building.The method reinforced specifically for active service adobe building is less, existing at present
Method includes consolidation by grouting, reinforcing bar net surface is reinforced etc..But consolidation by grouting is strict to equipment requirement, involve great expense, be used for
Conservation of historic buildings, it is not suitable for promoting the use of in immature soil dwelling；Though iron wire net surface, which is reinforced, can obtain certain consolidation effect,
Its complicated construction technique, cost are high, it is difficult to are popularized as economic, easy, easy technology.
The another kind of thinking to building structure strengthening is that organic draw knot material is pasted onto into structural elements surface with binding agent,
To play effective reinforcement effect.Carbon cloth such as is pasted onto into reinforcing bar with carbon fiber rubber using more method in engineering to mix
Native surface is coagulated, or canvas is pasted onto masonry structure surface with cement mortar, good seismic hardening effect can be played.This
Class reinforcement means has a particular/special requirement to the component surface that is reinforced of different materials, and bonding is gone to toward carrying out at special surface
Reason, and the strengthening with external bonding of material of raw-soil structure surface of wall is directed to, also without effective engineering measure.The subject matter faced at present
Economic and practical binding agent is a lack of, this inorganic material of soil and draw knot material can be effectively bonded together.It is now common
Binding agent have two categories below：（1）Cement class inorganic material, there is good fastening strength after hardening of cement, but due to difficulty
The reinforcement protection that cannot be directly used to cob wall is effectively connected to be formed with raw-soil wall；（2）The organic binder bonds such as carbon fiber rubber, this
Class material can be penetrated into cob wall, can also be combined with organic draw knot material, play good consolidation effect, but due to cost too
It is high, it is difficult to be promoted in economic condition backward areas.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of binding agent for earth building surface, can will reinforce material
Material is firmly pasted onto raw-soil surface of wall, improves the shock resistance of material of raw-soil structure, and the development for suppressing wall body slit in earthquake carries simultaneously
The Resistance to wind Erosion of high wall.
The technical solution adopted by the present invention is to provide a kind of binding agent for earth building surface, and the binding agent includes such as
The component of lower parts by weight：Glass, building sand and curing agent, the waterglass：Building sand：Curing agent is 1:2.3-3.0:
0.05-0.22。
Preferably, the waterglass：Building sand：The mass ratio of curing agent is 1:2.5-2.7:0.12-0.15.
Preferably, the modulus scope of the waterglass is 2.6-3.7, and Baume degrees is spent for 35 degree -45.The waterglass can be
Potassium silicate aqueous solution, sodium silicate aqueous solution or lithium silicate aqueous solution；It is highly preferred that the modulus scope of the waterglass is 3.1-
3.5。
Preferably, the building sand selects particle diameter in the uniform sand of 0.2mm-1mm gradings.
Preferably, the curing agent in prodan, silicon phosphate, polymer phosphate aluminium, magnesium chloride or aluminium chloride one
Kind is several；Preferably, the curing agent is prodan.
Second technical problem that the present invention solves there is provided the method reinforced using the binding agent.
This method to mix and stir prodan with building sand, add modulus scope 2.6-3.7,
Baume degrees stirs for the waterglass of 35 degree of -45 degree and makes binding agent mortar；After the binding agent mortar prepares, mortar
There is scleroma phenomenon, the binding agent screed thick 1cm scleroma completely in 24 hours at ambient temperature after 1h in surface；
After the binding agent mortar prepares, the waterglass that one of modulus scope is 3.1-3.7 is first brushed in surface of wall, treats that it oozes
After entering cob wall surface, the thick binding agent mortars of 2-5mm are smeared, then reinforcement material is attached on mortar, it is finally again that mortar is thick
It is applied to thickly on reinforcement material, is optimal using the binding agent screed above material as 8-10mm.After mortar scleroma, with adding
Gu material forms 10-15mm thickness back-up coats in surface of wall together, the intensity of wall resistance cracking is not only increased, and is improved
The wind resistance rain erosiveness of metope.
The beneficial effects of the invention are as follows：
1. preparation raw material is engineering common materials, cheap, simple, easy construction is prepared.
2. it is purely inorganic reinforcement material, service life length good with soil body compatibility.
3. can improve, location for paste wall is weather-proof and weathering ability.
4. for hardening project without special curing, the scleroma time is short, saves labour.
5. being combined with draw knot material, wall can be suppressed and ftractureed in geological process, so as to improve the shock resistance of adobe building
Energy.
Embodiment
The present invention is further illustrated with reference to embodiment.
For the consolidation effect of the quantitative expression present invention, embodiment is illustrated with laboratory data.Experiment is Yunnan with sun-dried mud brick
The sun-dried mud brick that province's Kunming Chenggong area active service adobe building is pulled down, it is polished into 160mm × 160mm × 90mm sun-dried mud brick test block standby
With.Experiment with reinforcement material respectively from thickness be 0.11mm carbon cloth, commercially available thickness be 1.5mm thin canvas and
0.2mm thickness bamboo skins, the strip for being cut into 550mm × 100mm are standby.
Embodiment 1
Modulus is weighed as 3.5,100 grams of the sodium silicate of 35 degree of Baume degrees, fine sand 250g for building, prodan powder
15g.Prodan powder is mixed with fine sand, stirring 1min is to well mixed.Sodium silicate is poured into, stirring is equal to mixing
It is even.Carbon cloth both ends are bonded on two 160mm × 160mm faces of sun-dried mud brick test block, bonding area is 120mm × 100mm.Equally
Method pastes 4 test blocks, after placing 3 days at room temperature, with the model CSS-44100 electronics of Changchun Inst of Testing Machine's production
Universal testing machine applies pulling force, carries out sticking veneer shearing test.Result of the test：It is 0.31MPa to measure Mean Shear intensity, is destroyed
Situation is that failure by shear occurs in itself for sun-dried mud brick, and carbon cloth is intact, and mortar and sun-dried mud brick sticking veneer are intact.
Comparative example 1
4 blank sun-dried mud brick test blocks are taken to carry out simple shear tests, Mean Shear intensity is 0.3MPa during destruction.
Comparative example 2
With embodiment 1, simply without carbon cloth, but with commercially available common thin canvas.Result of the test：Measure Mean Shear
Intensity 0.22MPa, destroy situation and be broken for canvas, reach canvas shear strength itself, mortar and sun-dried mud brick adhesive surface are intact.
Comparative example 3
With embodiment 1, simply without carbon cloth, but with 0.2mm thickness bamboo skins.Result of the test：It is strong to measure Mean Shear
0.25MPa is spent, situation of destroying is the fracture of bamboo skin, reaches bamboo skin shear strength itself, mortar and sun-dried mud brick sticking veneer are intact.
Experiment explanation above, the binding agent using the present invention are used as the binding agent of stickup draw knot material and sun-dried mud brick, its shearing resistance
Intensity is higher than sun-dried mud brick, can play good sticking effect.
Embodiment 2
Modulus is weighed as 3.5,100 grams of the sodium silicate of 35 degree of Baume degrees, fine sand 250g for building, prodan powder
15g.Prodan powder is mixed with fine sand, stirring 1min is to well mixed.Sodium silicate is poured into, stirring is equal to mixing
It is even.The mortar configured is poured into mould, diameter 50mm, high 30mm cylindrical mortar specimen is made.Same method, make
6 test blocks, after placing 3 days at room temperature, all it is put into water and soaks 15 days.Result of the test：After soaking-resistant 15 days, test block is complete
As before, there is not the dissolving or the fracture phenomena that cause its intensity decreases.
The comparative example of embodiment 2
With embodiment 2, after being only poured into mould, it is put under outdoor burning sun and is exposed to the sun.It is exposed to the sun after 3 days, is put into water and soaks 3
My god, so it is repeated 3 times.Result of the test：After solarizing test and soaking-resistant, test block completely as before, does not occur causing it
The dissolving of intensity decreases or fracture phenomena, solidification are all right.
Experiment explanation, binding agent of the present invention can withstand Exposure to Sunlight and drench with rain above, after meeting execution conditions and constructing normally
Use condition.
Claims (2)
1. a kind of application for the binding agent on earth building surface in the strengthening with external bonding on earth building surface, its feature exists
In the binding agent is made up of following component：Waterglass, building sand and curing agent, the waterglass：Building sand：Solidification
The mass ratio of agent is 1:2.5-2.7:0.12-0.15；
The modulus scope of the waterglass is 3.1-3.5, and Baume degrees is 35 degree of -45 degree；The waterglass is selected from sodium silicate, potassium
Waterglass or lithium silicate；
The curing agent is prodan；
Described application process is：
Prodan is mixed and stirred with building sand, waterglass is added and stirs and make binding agent sand
Slurry；
After the binding agent mortar prepares, the waterglass that one of modulus scope is 3.0-3.7 is first brushed in surface of wall, is treated
After it penetrates into cob wall surface, the thick binding agent mortars of 2-5mm are smeared, then reinforcement material are attached on mortar, finally again by sand
Slurry is applied on reinforcement material；The thickness of binding agent mortar is 8-10mm；The reinforcement material is carbon cloth or canvas.
2. application according to claim 1, it is characterised in that：The building sand is from particle diameter in 0.2mm-1mm gradings
Uniform sand.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310547438.7A CN104628350B (en) | 2013-11-06 | 2013-11-06 | A kind of binding agent and reinforcement means for earth building surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547438.7A CN104628350B (en) | 2013-11-06 | 2013-11-06 | A kind of binding agent and reinforcement means for earth building surface |
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| CN104628350A CN104628350A (en) | 2015-05-20 |
| CN104628350B true CN104628350B (en) | 2017-11-21 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947948B (en) * | 2015-07-08 | 2016-08-24 | 长安大学 | A kind of reinforcement means of rammed earth body of wall |
| CN106082877B (en) * | 2016-06-24 | 2019-06-25 | 长安大学 | A kind of mechanical compaction raw-soil brick masonry mortar and preparation method thereof |
| CN106989685A (en) * | 2017-03-21 | 2017-07-28 | 山西省交通科学研究院 | A kind of duct pieces of shield tunnel overall deformation monitoring device and its monitoring method based on distribution type fiber-optic |
| CN108222312A (en) * | 2018-01-16 | 2018-06-29 | 常州工学院 | A kind of carbon cloth package stalk-built-in profiled sheet assembled wall and method |
| CN110950623A (en) * | 2019-11-25 | 2020-04-03 | 西安建筑科技大学 | Masonry mortar of machine-made adobe brick and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603378A (en) * | 2003-09-29 | 2005-04-06 | 赵远 | Strong waterproof building glue |
| CN101704659A (en) * | 2009-12-10 | 2010-05-12 | 南京圣诺热管有限公司 | Crack resistance amorphous acid-proof pouring material, crack resistance acid-proof heat preservation protective layer and manufacturing method thereof |
| CN102051122A (en) * | 2009-10-29 | 2011-05-11 | 孙行祥 | Preparation method of wall moisture-proof paint |
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2013
- 2013-11-06 CN CN201310547438.7A patent/CN104628350B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603378A (en) * | 2003-09-29 | 2005-04-06 | 赵远 | Strong waterproof building glue |
| CN102051122A (en) * | 2009-10-29 | 2011-05-11 | 孙行祥 | Preparation method of wall moisture-proof paint |
| CN101704659A (en) * | 2009-12-10 | 2010-05-12 | 南京圣诺热管有限公司 | Crack resistance amorphous acid-proof pouring material, crack resistance acid-proof heat preservation protective layer and manufacturing method thereof |
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| CN104628350A (en) | 2015-05-20 |
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