CN105806688A - Manufacturing method of biological soil fixation test beam used for constructional engineering - Google Patents
Manufacturing method of biological soil fixation test beam used for constructional engineering Download PDFInfo
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- CN105806688A CN105806688A CN201610181491.3A CN201610181491A CN105806688A CN 105806688 A CN105806688 A CN 105806688A CN 201610181491 A CN201610181491 A CN 201610181491A CN 105806688 A CN105806688 A CN 105806688A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a manufacturing method of a biological soil fixation test beam used for constructional engineering.The manufacturing method includes the following steps that materials are prepared, wherein the materials comprise longitudinal side plates, a bottom plate and end plates; 2, the longitudinal side plates, the bottom plate and the end plates are assembled; 3, a lightweight mold needed for cutting of geotechnical cloth is manufactured, and the geotechnical cloth is cut according to the size; 4, two transverse screws are detached; 5, the cut geotechnical cloth is placed in a rectangular model cavity, and sandy soil is added to a cavity defined by the geotechnical cloth; 6, the distance between the two longitudinal side plates is fixed through the two transverse screws; 7, bacteria are poured into a test piece, and the whole mold is placed in a chemical solution; 8, the rectangular biological soil fixation beam is formed after the reaction is completed.A large number of mechanical performance tests such as the anti-bending performance test need to be conducted on the beam which is produced through the method and needed for building a house before practical engineering application, basic data and scientific reference are provided for practical application of the technology, and safety and reliability of an infrastructure and the house are guaranteed.
Description
Technical field
The present invention relates to the biology solid soil rectangular beam forming method used in a kind of architectural engineering, particularly relate to the manufacture method of the biology solid soil test beam used in a kind of architectural engineering.
Background technology
In recent years, high-quality construction material is created substantial amounts of demand by large-scale civil engineering construction, obtains enough construction materials accordingly, it would be desirable to dig sand on a large scale to fetch earth.But, people is manyly narrow, and available effective land resource is few, can not fully meet the needs of present civil engineering construction.Civil engineering construction persons need to adopt effective method to improve land resource effective rate of utilization, and environment and ecological impact are reduced to minimum limit.One of most effective way is that the sand resource of utilizing works construction site is to substitute high-quality construction material.But the engineering mechanics performance that these general sands are when naturalness does not often reach construction requirements, this just requires that finding special effective modification method reinforces to strengthen its engineering mechanics performance to general sand.
Tradition is reinforced and the method for improvement sand is by adding a certain amount of high-performance admixture, is forming a kind of compound soil body after maintenance after a while.These traditional high-performance admixtures mainly include the construction material that the calcic such as Calx, cement is higher, but the use of these materials has certain limitation.On the one hand, after blending these high performance materials, the curing time needed for the sand formation compound soil body is general longer, and the construction period so can produce certain impact；These high performance admixtures itself are expensive on the other hand, and this kind of admixture of large-scale use is not economic and practical.
Owing to microorganism induction precipitation of calcium carbonate method mechanism is simple, rapidly and efficiently, it is easy to control, environment good weatherability, therefore, it is badly in need of imagination and this technology is applied in construction material, namely produce beam, fragment of brick or the building block building house and need by this method.Rule according to human being's production and scientific research; need novel product is carried out substantial amounts of Mechanics Performance Testing before carrying out practical engineering application; such as the experiment on flexural behavior to new material beam, fragment of brick or building block; basic data and scientific basis is provided, to guarantee the safe and reliable of infrastructure and house for this technology being carried out practical application.
Summary of the invention
For above-mentioned the deficiencies in the prior art part, the invention provides the manufacture method of the biology solid soil test beam used in a kind of architectural engineering.
In order to solve above-mentioned technical problem, present invention employs following technical scheme:
The manufacture method of the biology used in architectural engineering solid soil test beam, the method comprises the steps:
1) material that mould needs is got out: holing on lucite flat board, the hole Heterogeneous Permutation on lucite, hole diameter is 5mm, and the spacing between hole is 2.5mm；With woodworking blade, lucite being cut into plate again, plate includes two panels longitudinal side plate, a piece of base plate and two panels end plate；Prepare two longitudinal screws and two transverse screws again；Base plate is provided with two chutes being parallel to each other, and the length of longitudinal side plate is equal to the distance between two chutes；
2) the lucite plate with hole of well cutting is assembled:
2.1) being vertically stuck in by two panels end plate in two chutes on base plate respectively, end plate coordinates with slide；Being stuck between two panels end plate by two panels longitudinal side plate again, two panels end plate press against the end of two panels longitudinal side plate；
2.2) two longitudinal screws lay respectively at the outside of two panels longitudinal side plate, and the two ends of two longitudinal screws are each passed through two panels end plate, fastening nut respectively on the two ends of two longitudinal screws, make two panels end plate compress two panels longitudinal side plate by fastening nut；
2.3) top of two panels longitudinal side plate is respectively provided with two grooves, two transverse screws are placed across in the groove at two panels longitudinal side plate top respectively, the two ends of two transverse screws and be positioned at the inner side and outer side rotation set top nut respectively of longitudinal side plate, two nuts of transverse screw end are stuck on the longitudinal side plate of correspondence, by the nut on two transverse screws of adjustment and then the distance between adjustment two panels longitudinal side plate, make the rectangular mold die cavity that two panels longitudinal side plate, two panels end plate and a piece of base plate composition are three-dimensional；
3) light weight molds that geotextiles cutting needs is made: make lightweight model with light material, the length and width of lightweight model is equal with the length and width of rectangular mold die cavity, the height of lightweight model is lower than the height of rectangular mold die cavity, then according to the size of light material cuts out geotextiles；
4) unscrew the nut on two transverse screw two ends, dismantle lower two transverse screws；
5) geotextiles cut is sewed the seam except top cover, and place it in rectangular model intracavity, in the cavity that geotextiles surrounds, add sand, finally sewing geotextiles top cover；
6) being placed across in the groove at two panels longitudinal side plate top respectively by two transverse screws, make the distance between two panels longitudinal side plate fix again through the nut on two transverse screw two ends, now test specimen completes；
7) in test specimen, pour into the antibacterial configured, after waiting antibacterial that all whole sand is irrigated moistening, more whole mould is put in chemical solution, and import air to increase oxygen composition, can reach to improve the purpose of the response speed of catalyst and nutritional solution；
8) question response is after 6.5 days, rectangular beam is formed in geotextiles, rectangular beam is internally formed substantial amounts of calcium carbonate at sand, test specimen is taken out from reactant liquor, unclamping the nut on two longitudinal screws and two transverse screws, two panels longitudinal side plate and two panels end plate taken out after loosening, taking geotextiles apart, just can to obtain molding rear surface smooth, inner texture is uniform, the biology solid soil rectangular beam that intensity is high.
As a preferred embodiment of the present invention, two longitudinal screws, two transverse screws and nut are all wound around plastic paper or the glue band of waterproof.
As the another kind of preferred version of the present invention, chemical solution is by carbamide, NH4 +And Ca2+The nutritional solution being added in water form after calcium ion mixing.
Compared with prior art, present invention have the advantage that
1, being provided with a lot of hole in lucite, instant nutrient liquid is penetrated in silt soil by geotextiles in a mold, produces a large amount of CaCO3, Gu soil is respond well；This technology is improved soil body mechanical property mass-energy and is effectively reduced construction costs.
2, by screw rod and nut, lucite sheet is connected, it may be achieved install flexibly, molding reliable, after the specimen molding of reaction vessel, can quick and convenient dismounting mould, the test specimen of new molding is not affected.
3, utilizing the flatness on lucite surface and the water penetration of the good of hole, the rectangular coupon corner angle of chemical reaction aftershaping are clearly demarcated, surface smoothness is high, homogeneous, stable mechanical property, it is simple to the later stage carries out the scientific research and testing of anti-bending strength test.
4, the size of the lucite sheet of model periphery and the position of bolt according to the actual size of model, can be adjusted, effectively limit the displacement of four cycle side plates；Regulated by the bolt of longitudinal screw, the convenient stability in the large improving mould.
5, by the adjustment of the screw rod above longitudinal side plate and nut location, the shape of mould can be precisely controlled, it is ensured that the physical dimension of mould, after the model reaction in mould is complete, only need to take out the screw rod with nut from above, dismantle rapidly mould.
6, utilize the mould that light material makes to sew geotextiles, can reach size accurately, be prone to molding, put forward high efficiency purpose.
Accompanying drawing explanation
Fig. 1 is the structural representation of mould；
Fig. 2 is the structural representation of light weight molds；
Fig. 3 is the structural representation that test specimen is immersed in chemical solution；
Fig. 4 is the structural representation of biological solid soil rectangular beam.
In figure: 1 longitudinal side plate；2 base plates；3 end plates；4 longitudinal screws；5 transverse screws；6 chutes；7 light materials；8 geotextiles；9 chemical solutions；10 biological solid soil rectangular beams；11 tracheas.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The manufacture method of the biology used in architectural engineering solid soil test beam, the method comprises the steps:
1) material that mould needs is got out: holing on lucite flat board, the hole Heterogeneous Permutation on lucite, hole diameter is 5mm, and the spacing between hole is 2.5mm.With woodworking blade, lucite is cut into plate again, as it is shown in figure 1, plate includes two panels longitudinal side plate 1, a piece of base plate 2 and two panels end plate 3.Preparing two longitudinal screws 4 and two transverse screws 5 again, for preventing it to be subject to the corrosion of chemical substance, the nut used by 4, two transverse screws 5 of two longitudinal screws and the present embodiment is all wound around plastic paper or the glue band of waterproof.Base plate 2 is provided with two chutes being parallel to each other 6, and the length of longitudinal side plate 1 is equal to the distance between two chutes 6.
2) the lucite plate with hole of well cutting is assembled:
2.1) vertically being blocked respectively by two panels end plate 3 in two chutes 6 on a base plate 2, end plate 3 and chute 6 are slidably matched；Being stuck between two panels end plate 3 by two panels longitudinal side plate 1 again, two panels end plate 3 press against the end of two panels longitudinal side plate 1.
2.2) two longitudinal screws 4 lay respectively at the outside of two panels longitudinal side plate 1, and the two ends of two longitudinal screws 4 are each passed through two panels end plate, fastening nut respectively on the two ends of two longitudinal screws, make two panels end plate compress two panels longitudinal side plate by fastening nut.
2.3) top of two panels longitudinal side plate is respectively provided with two grooves, two transverse screws are placed across in the groove at two panels longitudinal side plate top respectively, the two ends of two transverse screws, and it is positioned at the inner side and outer side rotation set top nut respectively of longitudinal side plate, two nuts of transverse screw end are stuck on the longitudinal side plate of correspondence, by the nut on two transverse screws 5 of adjustment and then the distance between adjustment two panels longitudinal side plate 1, to reach the purpose preventing longitudinal side plate 1 from tilting, ensure that the model after molding is smooth and upright, make two panels longitudinal side plate 1, two panels end plate 3 and a piece of base plate 2 form the rectangular mold die cavity of solid, as shown in Figure 1.
3) light weight molds that geotextiles cutting needs is made: with light material 7(such as paper shell) make lightweight model, the length and width of lightweight model is equal with the length and width of rectangular mold die cavity, the height of lightweight model is lower than the height of rectangular mold die cavity, as shown in Figure 2；Then according to the size of light material cuts out geotextiles 8.
4) unscrew the nut on two transverse screw 5 two ends, dismantle lower two transverse screws 5.
5) geotextiles 8 cut is sewed the seam except top cover, and place it in rectangular model intracavity, in the cavity that geotextiles surrounds, add sand, finally sewing geotextiles top cover.
6) being placed across in the groove at two panels longitudinal side plate 1 top respectively by two transverse screws 5, make the distance between two panels longitudinal side plate 1 fix again through the nut on two transverse screw 5 two ends, now test specimen completes.
7) in test specimen, pour into the antibacterial configured, after waiting antibacterial that all whole sand is irrigated moistening, more whole mould is put into chemical solution 9(chemical solution by carbamide, NH4 +And Ca2+The nutritional solution being added in water form after calcium ion mixing) in, as it is shown on figure 3, in the bottom of base plate 2 uniform connection trachea 11, and import air to increase oxygen composition, the purpose of the response speed of raising catalyst and nutritional solution can be reached.
8) question response is after 6.5 days, rectangular beam is formed in geotextiles 8, rectangular beam is internally formed substantial amounts of calcium carbonate at sand, test specimen is taken out from reactant liquor, unclamps the nut on two longitudinal screws 4 and two transverse screws 5, after loosening, two panels longitudinal side plate 1 and two panels end plate 3 are taken out, taking geotextiles 8 apart, just can to obtain molding rear surface smooth, inner texture is uniform, the biology solid soil rectangular beam 10 that intensity is high, as shown in Figure 4.This biology solid soil rectangular beam 10 can perform well in beam test, and the popularization and application for this technology of later stage provide rationale foundation, to guarantee the safe and reliable of infrastructure and house.
What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent replacement, without deviating from objective and the scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention.
Claims (3)
1. the manufacture method of the biology used in architectural engineering solid soil test beam, the method comprises the steps:
1) material is prepared: holing on lucite flat board, the hole Heterogeneous Permutation on lucite, hole diameter is 5mm, and the spacing between hole is 2.5mm；With woodworking blade, lucite being cut into plate again, plate includes two panels longitudinal side plate (1), a piece of base plate (2) and two panels end plate (3)；Prepare two longitudinal screws (4) and two transverse screws (5) again；Base plate (2) is provided with two chutes being parallel to each other (6), and the length of longitudinal side plate (1) is equal to the distance between two chutes (6)；
2) the lucite plate with hole of well cutting is assembled:
2.1) being vertically stuck in by two panels end plate (3) in two chutes (6) on base plate (2) respectively, end plate (3) and chute (6) are slidably matched；Being stuck between two panels end plate (3) by two panels longitudinal side plate (1) again, two panels end plate (3) press against the end of two panels longitudinal side plate (1)；
2.2) two longitudinal screws (4) lay respectively at the outside of two panels longitudinal side plate (1), the two ends of two longitudinal screws (4) are each passed through two panels end plate (3), difference fastening nut on the two ends of two longitudinal screws (4), makes two panels end plate (3) compress two panels longitudinal side plate (1) by fastening nut；
2.3) top of two panels longitudinal side plate (1) is respectively provided with two grooves, two transverse screws (5) are placed across in the groove at two panels longitudinal side plate (1) top respectively, the two ends of two transverse screws (5), and it is positioned at the inner side and outer side rotation set top nut respectively of longitudinal side plate (1), two nuts of transverse screw (5) end are stuck on the longitudinal side plate (1) of correspondence, by the nut on two transverse screws (5) of adjustment and then the distance between adjustment two panels longitudinal side plate (1), make two panels longitudinal side plate (1), the rectangular mold die cavity of two panels end plate (3) and a piece of base plate (2) composition solid；
3) light weight molds that geotextiles cutting needs is made: make lightweight model with light material (7), the length and width of lightweight model is equal with the length and width of rectangular mold die cavity, the height of lightweight model is lower than the height of rectangular mold die cavity, then according to the size of light material cuts out geotextiles (8)；
4) unscrew the nut on two transverse screw (5) two ends, dismantle lower two transverse screws (5)；
5) geotextiles (8) cut is sewed the seam except top cover, and place it in rectangular model intracavity, in the cavity that geotextiles surrounds, add sand, finally sewing geotextiles top cover；
6) being placed across in the groove at two panels longitudinal side plate (1) top respectively by two transverse screws (5), make the distance between two panels longitudinal side plate (1) fix again through the nut on two transverse screw (5) two ends, now test specimen completes；
7) in test specimen, pour into the antibacterial configured, after waiting antibacterial that all whole sand is irrigated moistening, more whole mould is put in chemical solution (9), and import air to increase oxygen composition, can reach to improve the purpose of the response speed of catalyst and nutritional solution；
8) question response is after 6.5 days, rectangular beam is formed in geotextiles (8), rectangular beam is internally formed substantial amounts of calcium carbonate at sand, test specimen is taken out from reactant liquor, unclamping the nut on two longitudinal screws (4) and two transverse screws (5), by two panels longitudinal side plate (1) and two panels end plate (3) taking-up after loosening, taking geotextiles (8) apart, just can to obtain molding rear surface smooth, inner texture is uniform, the biology solid soil rectangular beam (10) that intensity is high.
2. the manufacture method of the biology used in architectural engineering according to claim 1 solid soil test beam, it is characterised in that: two longitudinal screws (4), two transverse screws (5) and nut are all wound around plastic paper or the glue band of waterproof.
3. the manufacture method of the biology used in architectural engineering according to claim 2 solid soil test beam, it is characterised in that: chemical solution is by carbamide, NH4 +And Ca2+The nutritional solution being added in water form after calcium ion mixing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610181491.3A CN105806688B (en) | 2016-03-28 | 2016-03-28 | The production method of the solid native test beam of biology used in architectural engineering |
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| CN201610181491.3A CN105806688B (en) | 2016-03-28 | 2016-03-28 | The production method of the solid native test beam of biology used in architectural engineering |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168550A (en) * | 2016-08-10 | 2016-11-30 | 天津大学 | Microorganism solidification Extra-fine sand is used to form the Experimental Method in Laboratory of artificial crust layer |
| CN108748623A (en) * | 2018-06-14 | 2018-11-06 | 重庆科技学院 | The efficient forming method of high pressure microorganism soil-fixing hollow brick |
| CN109001014A (en) * | 2018-06-14 | 2018-12-14 | 重庆科技学院 | A kind of efficient forming method of high pressure microorganism soil-fixing hollow brick batch |
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| CN104196131A (en) * | 2014-09-11 | 2014-12-10 | 山东建筑大学 | Method for plugging cast-in-situ concrete slab or base-plate crack with microbe-sedimented calcium carbonate |
| CN105155510A (en) * | 2015-08-07 | 2015-12-16 | 华中科技大学 | Method capable of carrying out microorganism solidifying and crusting on super soft foundation surface and matching device |
| CN105386436A (en) * | 2015-12-08 | 2016-03-09 | 南京林业大学 | Composite foundation with discrete material pile restrained through microorganism soil solidification and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106168550A (en) * | 2016-08-10 | 2016-11-30 | 天津大学 | Microorganism solidification Extra-fine sand is used to form the Experimental Method in Laboratory of artificial crust layer |
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| CN108748623A (en) * | 2018-06-14 | 2018-11-06 | 重庆科技学院 | The efficient forming method of high pressure microorganism soil-fixing hollow brick |
| CN109001014A (en) * | 2018-06-14 | 2018-12-14 | 重庆科技学院 | A kind of efficient forming method of high pressure microorganism soil-fixing hollow brick batch |
| CN109001014B (en) * | 2018-06-14 | 2020-07-07 | 重庆科技学院 | High-pressure microbial soil-fixing hollow brick batch high-efficiency forming method |
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| CN105806688B (en) | 2018-05-25 |
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