CN106760074A - The building method of high intensity loam wall - Google Patents

The building method of high intensity loam wall Download PDF

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Publication number
CN106760074A
CN106760074A CN201710131623.6A CN201710131623A CN106760074A CN 106760074 A CN106760074 A CN 106760074A CN 201710131623 A CN201710131623 A CN 201710131623A CN 106760074 A CN106760074 A CN 106760074A
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CN
China
Prior art keywords
wall
building
high intensity
loam
building method
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Pending
Application number
CN201710131623.6A
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Chinese (zh)
Inventor
许春阳
付勇攀
崔晨
刘建生
赵坤
吴河
王叶红
顾银鑫
徐英
朱鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Oriental Garden Ancient Chengjian Yatai Engineering Co Ltd
Beijing Urban Construction Yatai Group Co Ltd
Original Assignee
Beijing Oriental Garden Ancient Chengjian Yatai Engineering Co Ltd
Beijing Urban Construction Yatai Group Co Ltd
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Filing date
Publication date
Application filed by Beijing Oriental Garden Ancient Chengjian Yatai Engineering Co Ltd, Beijing Urban Construction Yatai Group Co Ltd filed Critical Beijing Oriental Garden Ancient Chengjian Yatai Engineering Co Ltd
Priority to CN201710131623.6A priority Critical patent/CN106760074A/en
Publication of CN106760074A publication Critical patent/CN106760074A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84Walls made by casting, pouring, or tamping in situ

Abstract

The present invention relates to the technical field of construction of loam wall, the building method of high intensity loam wall is disclosed.The present invention is comprised the following steps:Lime and loess are added water mix, stirs to form dirt raw material, fully add sticky rice syrup to carry out mix after curing;Using scaffold support template, and fixed with split bolt, complete formwork erection;Material obtained in step one is poured into the template that step 2 is installed;Being rammed using 7kg side carries out a building, then carries out secondary building using 10kg circle rammers;Repeat step three and step 4, successively building;Then film covering curing is carried out;Form removal;The logical hole of split bolt to staying on wall, clogs to it, carries out clapping soil until having identical packing with wall in wall both sides;Material therefor is identical with loam wall material;After after wall drying, curing agent is sprayed in surface of wall.Easy to operate, safety coefficient of the invention is high, can guarantee that construction quality and aesthetic measure.

Description

The building method of high intensity loam wall
Technical field
The present invention relates to the technical field of construction of loam wall, more particularly to the building method of high intensity loam wall.
Background technology
For loam wall building, traditional building method generally comprises following operation:Material preparation-formwork-fall Enter material-tamping-compacting-form removal;Due to the development of the technology of modern social science, the loam wall of traditional method construct into Slowly, and the experience only relied on to the intensity and perpendicularity of wall by means of rammed earth workman goes to distinguish do not have scientific basis to degree, Easily there are the phenomenons such as uneven swollen film, leakage rammer in metope, does not reach requirement of the contemporary people to outward appearance, and it cannot be guaranteed that construction Quality.Traditional building method does not have high-altitude safe measure in work progress, there is certain potential safety hazard, and this is unsatisfactory for existing The construction requirement of generation building.This way both have impact on it is attractive in appearance, again violate construction principle.
Traditional building template mainly has two classes.The first kind is made using 3 pieces of planks, and two side templates are long 1.5 meters Left and right, the same wall thickness of width of end baffle is clamped using dismountable waddy between side form, passed through between side form and end baffle Mortise-tenon joint and clamping, form height are generally 30-33 centimetres, are generally termed that " plate is built using the wall of this template building Wall ";Equations of The Second Kind is to replace both sides plank sheathing using the smooth straight round log in surface, general to have 3-5 root round logs per side, when one layer After the completion of building, undermost round log is rolled up to fix, building is continued with same method, turned on one one successively, Carry out in proper order, the wall using this template building is called " rafter beats wall ".
However, " plate walling " is limited although simple to operate by structure type itself, template size cannot do greatly, lead Cause every edition completion wall height, length dimension smaller, have impact on the globality of wall, and due to using pure wooden work, plank It is yielding fragile." rafter beats wall " due to using round log, therefore building surface of wall it is concavo-convex differ, pole out-of-flatness.Due to it Itself form problem, it has to use the method for contracture with ensure the stability of wall, i.e. wall section from bottom to top size by It is decrescence small.Simultaneously because unfixed termination mould, wall size error is larger when causing building.And this two class template is also deposited In a common drawback, i.e., can only building yi word pattern wall, it is impossible to solve the disposable building of neighboring walls so that neighboring walls Between can produce obvious perps, the globality to house makes a big impact.
The content of the invention
A kind of easy to operate, safety coefficient of present invention offer is high, can guarantee that construction quality and the high intensity of aesthetic measure is rammed The building method of cob wall.
The technical problem of solution is:Traditional building method and formwork erection mode can not be met to strength of wall body and aesthetics Demand, construction quality be difficult to control, construction safety is not ensured.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that:
The building method of high intensity loam wall of the present invention, comprises the following steps:
Step one, material prepare:Lime and loess are added water mix, stirs to form dirt raw material, fully added after curing Sticky rice syrup carries out mix;Sticky rice syrup 90-110kg is added in every cubic metre of dirt raw material;
Step 2, supporting module:Using scaffold support template, and fixed with split bolt, complete formwork erection;
Step 3, the soil that falls:Material obtained in step one is poured into the template that step 2 is installed;
Step 4, building:Being rammed using 7kg side carries out a building, then carries out secondary building using 10kg circle rammers;
Step 5, successively building:Repeat step two and step 4, carry out successively building;
Step 6, maintenance and form removal:After completing wall building, film covering curing is carried out;After maintenance, form removal is carried out;
Step 7, metope beautification:The logical hole of split bolt stayed in after form removal on wall, clogs to it, enters in wall both sides Row claps soil until having identical packing with wall;Material therefor is identical with loam wall material;
Step 8, metope solidification:After after wall drying, curing agent is sprayed in surface of wall.
The building method of high intensity loam wall of the present invention, further, lime and the mass ratio of loess are 3 in step one: 7。
The building method of high intensity loam wall of the present invention, further, the moisture content control of dirt raw material described in step one System is in 15-20%.
The building method of high intensity loam wall of the present invention, further, the curing vexed native time in step one is no less than 12h。
The building method of high intensity loam wall of the present invention, further, the form height installed in step 2 is 1.2m, wide Degree 0.7m, is supported using three layers of scaffolding steel pipe, and top layer steel pipe surrounding sets inclined support structure, is fixed using to wearing bolt.
The building method of high intensity loam wall of the present invention, the native thickness that further, in step 3 falls every time is 25- 30cm。
The building method of high intensity loam wall of the present invention, further, the every layer of rammer obtained after building twice in step 4 The thickness of soil is 16-20cm.
The building method of high intensity loam wall of the present invention, further, in step 5 after the completion of every layer of rammed earth layer building, Random loops knife sampling is carried out on the layer, unconfined compression strength test is carried out, every layer of packing is more than 1.7g/cm3, dry density It is 1.5g/cm3-1.6g/cm3.
The building method of high intensity loam wall of the present invention, further, in step 7 carries out logical hole and clogs using foamed glue, Clap soil and specifically use following methods:After glue to be foamed volatilizees completely, respectively measuring 10cm in wall both sides carries out clapping soil, using woodbox Small power is flopped repeatedly, until the packing at logical hole is identical with wall packing.
The building method of high intensity loam wall of the present invention, further, curing agent sprays 2-3 times in step 8.
The building method of high intensity loam wall of the present invention compared with prior art, has the advantages that:
It is raw material that the building method of high intensity loam wall of the present invention uses lime, loess and sticky rice syrup, by the proportioning of science With the raw material that processing technology obtains loam wall so that material has preferable cohesive force, is greatly improved the resistance to compression of loam wall Intensity and globality, number of times and time that reduction is rammed shorten construction period, and beneficial to the demoulding, it is smooth with more preferable surface Degree.
The present invention curing vexed native time is no less than 12h, can effectively reduce the water content of soil property, reduces the plasticity index of soil, The compression strength of loam wall is ensure that, while saving the engineering time, efficiency of construction is improve.
The present invention uses steel scaffold support template, and form height is 1.2m, with split bolt fixed form, is enhanced The stability of template, it is ensured that each position uniform force of template and good perpendicularity, it is to avoid surface of wall it is uneven or The crooked situation of wall, reduces construction error, improves exterior wall surface flatness;And ensure that the safety of form bracing system Property, ensured the personal safety of workman's work high above the ground;And the template that this kind of mode is installed is used flexibly, can be according to shape Or the requirement of arrangement, complete neighboring walls and be made into integration, it is to avoid the appearance of seam, reduce the repair operation in later stage, contract Short construction period, improves the aesthetic measure of outward appearance;Reusable after template dismounting, live turnover rate is high, can reduce material Material is wasted, and reduces construction cost.
The loam wall that building method of the present invention is obtained, the intensity of wall is obtained up to more than 3.0MPa higher than conventional method Loam wall 66.7%, can fully meet the requirement of current art index, improve the quality of building.The present invention is dried in wall Afterwards, curing agent has been sprayed in surface of wall, wall is possessed water-proof function, wall has dropped there is no grey soil particle, can be significantly Satisfaction meet the use requirement of people after building comes into operation.
Specific embodiment
Prepare embodiment
Building tradition loam wall, specifically includes in accordance with the following methods:
Step one, material prepare:Lime and loess are added water mix, wherein lime and the mass ratio of loess is 3:7;Loess is used The soil of excavation pit, by tedding sieving, the aperture of sieve aperture is 15mm;Stir to form dirt raw material, dirt raw material contains Water rate is controlled in 15-20%, to accomplish that " holding is agglomerating, and landing is bloomed " is advisable;Then dirt is collected together into heap, carries out vexed soil curing, it is vexed The time of soil is no less than 12h, fully adds sticky rice syrup to carry out mix after curing;Sticky rice syrup is added in every cubic metre of dirt raw material 90-110kg;The material for preparing preferably is used in 72h;
Step 2, supporting module:Using scaffold support template, form height is 1.2m, is made of glued board, two side templates Fixed with split bolt, it is ensured that the sealing between template;Mold plate verticality is checked in work progress at any time, is brushed on the inside of template de- Mould agent, the form height for installing is 1.2m, width 0.7m, is supported using three layers of scaffolding steel pipe, and top layer steel pipe surrounding sets oblique Support structure, fixes using to wearing bolt;
Step 3, the soil that falls:Material obtained in step one is poured into the template that step 2 is installed by the way of truck crane, often The thickness of secondary soil is 25-30cm;
Step 4, building:Being rammed using 7kg side carries out a building, and rammed earth method is that a rammer pressure half is rammed, and height is rammed every time and answers big In 40cm, then quick building overall to wall one time carries out secondary reinforcement building, afterwards to the side of wall using 10kg circle rammers At angle building one time again is rammed using 7kg side;The thickness of the every layer of rammed earth obtained after building is 16-20cm;
Step 5, successively building:After ground floor building is finished, repeat step two carries out setting up for last layer template, then repeats Step 3 and step 4, carry out successively building;After the completion of every layer of rammed earth layer building, random loops knife sampling is carried out on the layer, entered Row unconfined compression strength test, every layer of packing is more than 1.7g/cm3, and dry density is 1.5g/cm3-1.6g/cm3;
Step 6, maintenance and form removal:After loam wall completes construction, film covering curing is carried out, it is to avoid be exposed to the sun, in case wall is produced Dry shrinkage and cracking, while also ensureing that wall carries out next step operation again after reaching certain intensity;After maintenance, form removal is carried out, torn open The principle of " first prop up and tear open afterwards, rear branch is first torn open " is followed during mould, the protection of wall edge is noted;
Step 7, metope beautification:The logical hole of split bolt stayed in after form removal on wall, is clogged using foamed glue to it, is treated After foamed glue volatilizees completely, respectively measuring 10cm in wall both sides carries out clapping soil, is flopped repeatedly using the small power of woodbox, and slap dynamics is not Preferably excessive, until the packing at logical hole is identical with wall packing, material therefor is identical with loam wall material;
Step 8, metope solidification:After wall is completely dried, curing agent is sprayed 2-3 times in surface of wall, wall is possessed waterproof Function, and meet the use requirement of inhabitation people, dropping for soil particle will not be allowed to influence indoor environmental hygiene situation.
Testing example 1
Test block 1-3 is obtained according to above-mentioned preparation method, " highway engineering inorganic binder is steady according to national standard JTG E51-2009 Determine testing of materials code ", using the fundamental performance parameter of the measurement of test method test block of regulation, using identical material, by it Contrasted with the test block obtained using traditional building method, specific test result is as shown in table 1.
Traditional building method includes following operation:
Material preparation-formwork-pour into material-tamping-compacting-form removal;The template for wherein being installed is traditional plate walling Template system.
The specific test result of the testing example 1 of table 1
As shown in Table 1, compared with traditional building method, it is traditional building side to use the test block pressure resistance intensity of the inventive method building 1.8 times of method, in more than 3.0MPa, the vertical efficiency of metope improves 3 times than traditional building test block, and loam wall surface is more It is smooth, wall construction scale error is substantially reduced, construction quality and aesthetic measure are improve, the reparation for reducing the later stage is applied Work, substantially reduces construction period, reduces rehabilitation cost.
Testing example 2
Test block 4-5 is obtained according to above-mentioned preparation method, " highway engineering inorganic binder is steady according to national standard JTG E51-2009 Determine testing of materials code ", using the fundamental performance parameter of the measurement of test method test block of regulation, with use different materials and sheet The loam wall of invention identical construction method is contrasted, and specific test result is as shown in table 2.2 control groups, control are set The raw material that group 1 is used are clay, using traditional rammed earth wall preparation method;The raw material that control group 2 is used are loess, sand, stone Ash, rubble.
The specific test result of the testing example 1 of table 2
As shown in Table 2, building method identical with 2 uses of control, compares, the raw material that this method is selected only with different raw material By meticulous selection, rational proportioning, appropriate modulator approach can effectively improve the compression strength of building wall, be control 2 1.4 times of gained test block, and the vertical efficiency of metope is obviously improved, scale error is effectively reduced;With it is right According to 1 traditional building method and clay is used to be compared for raw material, test block pressure resistance intensity obtained in this method is to compare 2.1 times of 1, Vertical error reduces 4.75 times, and strength of wall body and surface smoothness are greatly improved.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to model of the invention Enclose and be defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to technical side of the invention Various modifications and improvement that case is made, all should fall into the protection domain of claims of the present invention determination.

Claims (10)

1. the building method of high intensity loam wall, it is characterised in that:Comprise the following steps:
Step one, material prepare:Lime and loess are added water mix, stirs to form dirt raw material, fully added after curing Sticky rice syrup carries out mix;Sticky rice syrup 90-110kg is added in every cubic metre of dirt raw material;
Step 2, supporting module:Using scaffold support template, and fixed with split bolt, complete formwork erection;
Step 3, the soil that falls:Material obtained in step one is poured into the template that step 2 is installed;
Step 4, building:Being rammed using 7kg side carries out a building, then carries out secondary building using 10kg circle rammers;
Step 5, successively building:Repeat step two and step 4, carry out successively building;
Step 6, maintenance and form removal:After completing wall building, film covering curing is carried out;After maintenance, form removal is carried out;
Step 7, metope beautification:The logical hole of split bolt stayed in after form removal on wall, clogs to it, enters in wall both sides Row claps soil until having identical packing with wall;Material therefor is identical with loam wall material;
Step 8, metope solidification:After after wall drying, curing agent is sprayed in surface of wall.
2. the building method of high intensity loam wall according to claim 1, it is characterised in that:Lime and loess in step one Mass ratio be 3:7.
3. the building method of high intensity loam wall according to claim 1, it is characterised in that:Dirt described in step one is former The moisture control of material is in 15-20%.
4. the building method of high intensity loam wall according to claim 1, it is characterised in that:The vexed soil of curing in step one Time is no less than 12h.
5. the building method of high intensity loam wall according to claim 1, it is characterised in that:The template installed in step 2 Highly it is 1.2m, width 0.7m, is supported using three layers of scaffolding steel pipe, top layer steel pipe surrounding sets inclined support structure, using to wearing Bolt is fixed.
6. the building method of high intensity loam wall according to claim 1, it is characterised in that:Each soil in step 3 Thickness is 25-30cm.
7. the building method of high intensity loam wall according to claim 1, it is characterised in that:In step 4 twice after building The thickness of the every layer of rammed earth for obtaining is 16-20cm.
8. the building method of high intensity loam wall according to claim 1, it is characterised in that:Every layer of rammed earth layer in step 5 After the completion of building, random loops knife sampling is carried out on the layer, carry out unconfined compression strength test, every layer of packing is more than 1.7g/cm3, dry density is 1.5g/cm3-1.6g/cm3.
9. the building method of high intensity loam wall according to claim 1, it is characterised in that:Foamed glue is used in step 7 Logical hole filling is carried out, soil is clapped and is specifically used following methods:After glue to be foamed volatilizees completely, respectively measuring 10cm in wall both sides is carried out Soil is clapped, is flopped repeatedly using the small power of woodbox, until the packing at logical hole is identical with wall packing.
10. the building method of high intensity loam wall according to claim 1, it is characterised in that:Curing agent spray in step 8 Spill 2-3 times.
CN201710131623.6A 2017-03-07 2017-03-07 The building method of high intensity loam wall Pending CN106760074A (en)

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Cited By (6)

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CN107190891A (en) * 2017-07-01 2017-09-22 苏州侪联景观工程有限公司 A kind of Building Skin rammed earth wall preparation method
CN107353905A (en) * 2017-06-27 2017-11-17 常州市协旺纺织品有限公司 A kind of modification method for preparing of solidified earth
CN108395167A (en) * 2018-03-29 2018-08-14 济南营造院文物保护工程有限公司 A kind of earthen ruins composite consolidation material and reinforcement process
CN109610832A (en) * 2019-01-13 2019-04-12 史顺彪 A kind of pseudo-classic loam wall construction technology
CN112459306A (en) * 2020-11-01 2021-03-09 同济大学 Energy-saving rammed earth wall and construction method thereof
CN115142578A (en) * 2022-07-22 2022-10-04 河北建筑工程学院 Iron tailing and glutinous rice modified rammed earth wall and preparation method thereof

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107353905A (en) * 2017-06-27 2017-11-17 常州市协旺纺织品有限公司 A kind of modification method for preparing of solidified earth
CN107190891A (en) * 2017-07-01 2017-09-22 苏州侪联景观工程有限公司 A kind of Building Skin rammed earth wall preparation method
CN107190891B (en) * 2017-07-01 2019-08-30 苏州侪联景观工程有限公司 A kind of Building Skin rammed earth wall preparation method
CN108395167A (en) * 2018-03-29 2018-08-14 济南营造院文物保护工程有限公司 A kind of earthen ruins composite consolidation material and reinforcement process
CN109610832A (en) * 2019-01-13 2019-04-12 史顺彪 A kind of pseudo-classic loam wall construction technology
CN112459306A (en) * 2020-11-01 2021-03-09 同济大学 Energy-saving rammed earth wall and construction method thereof
CN115142578A (en) * 2022-07-22 2022-10-04 河北建筑工程学院 Iron tailing and glutinous rice modified rammed earth wall and preparation method thereof

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Application publication date: 20170531