CN104677704A - Large-diameter test block molding mould capable of prefabricating, and operating method of large-diameter test block molding mould - Google Patents

Large-diameter test block molding mould capable of prefabricating, and operating method of large-diameter test block molding mould Download PDF

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Publication number
CN104677704A
CN104677704A CN201510032812.9A CN201510032812A CN104677704A CN 104677704 A CN104677704 A CN 104677704A CN 201510032812 A CN201510032812 A CN 201510032812A CN 104677704 A CN104677704 A CN 104677704A
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CN
China
Prior art keywords
prefabricated
test block
sidewall
major diameter
diameter test
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Pending
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CN201510032812.9A
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Chinese (zh)
Inventor
石少帅
卜林
李术才
李利平
高勇
王俊涛
周宗青
袁永才
刘洪亮
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Shandong University
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Shandong University
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Priority to CN201510032812.9A priority Critical patent/CN104677704A/en
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Abstract

The invention relates to a large-diameter test block molding mould capable of prefabricating, and an operating method of the large-diameter test block molding mould. The large-diameter test block molding mould comprises a top plate, a side wall, tension sleeves, a bottom plate and a fixing device used for fixing a prefabricated slab, wherein a column-shaped structure which is internally provided with a cavity is formed by combining the top plate, the side wall and the bottom plate; the two tension sleeves which are respectively used for fixing the top plate and the bottom plate are respectively arranged on the top and at the bottom of the side wall; the fixing device is used for fixing the prefabricated slab in the column-shaped structure according to the position required by a test block. After the module is used, the prefabricated slab can be made into a structure form required by a test and is arranged in the mould. Furthermore, the prefabricated slab is processed according to the needed structure form, so that structures with various shapes and sizes needed by test blocks in the test can be simulated. The mould is also used for manufacturing large-diameter test pieces with the structures, and the test pieces have the outer diameter of 300mm and the height of 350mm.

Description

A kind of can the major diameter test block forming mould of prefabricated structure and method of operating thereof
Technical field
The present invention relates to a kind of can the major diameter test block forming mould of prefabricated structure and method of operating thereof.
Background technology
Along with the development of Geotechnical Engineering subject, the geological problem of the complexity run in real engineering gets more and more, and people urgently wish the real engineering problem being carried out Simulation of Complex by shop experiment, thus guiding construction.Shop experiment is just playing a part more and more important, and the making of test block is the place of the core of test, and whether what test specimen made meets the expected requirements, and is related to the success or failure of test.
Strict location the various structures shown in test block are the successful necessary conditions of solid&liquid couple filling medium seepage failure process testing shop experiment, all the more so in the test especially under the geologic condition of simulation containing the complex engineering of various structure.Make test obtain good result, just need strictly locate and produce the various structures in test block.
At present about the making of the major diameter test block containing structure in solid&liquid couple filling medium seepage failure process testing, still there is no simple and easy to do method.Common way simplifies and equivalent process the various structures in test block, and such processing mode does not also meet engineering reality, and test effect is also difficult to reflect actual engineering situation naturally.
Summary of the invention
Object of the present invention be exactly in order to solve the problem, provide a kind of energy can prefabricated rectangle structure major diameter test block forming mould.This mould by require in prefabricated board imitation specimen prefabricated rectangle structure (prefabricated textural lower end must be concordant with base plate with top board respectively according to testing requirements) form in and be placed in mould, and can rectangular configuration form processing prefabricated board as required, thus required structure can be precast in the test block of test.This mould also can manufacture the major diameter test specimen with structure, and test specimen external diameter can reach 300mm, and height can reach 350mm.
To achieve these goals, the present invention adopts following technical scheme:
A kind of can prefabricated rectangle structure major diameter test block forming mould, comprise top board, sidewall, cranse, base plate and the stationary installation for fixing prefabricated plates, it is the column construction of cavity that described top board, sidewall form an inside together with floor combination, respectively establishes one for the cranse of fixing top board and base plate at the top of sidewall and bottom; Prefabricated plates is fixed on the inside of column construction by described stationary installation according to the position of structure prefabricated in test block.
Described stationary installation comprises a fixture, and described fixture connects and organizes coil tension spring more, the one end often organizing coil tension spring is connected on fixture, and the other end connects a sucker, and described sucker suction is above sidewall or on base plate.
Described fixture is clipped in top or the bottom of prefabricated plates.
Described stationary installation comprises two, a top being arranged on prefabricated plates, a bottom being arranged on prefabricated board.
Described sidewall is a top and bottom opening, and inside is the cylindrical wall of cavity.
Described top board and base plate are the boss that a surface is provided with hole upper and lower with sidewall and matches.
Outside surface on described sidewall is upper and lower respectively establishes a circle groove, and cranse is arranged in groove.
Described prefabricated plates is made suitable shape as requested and is fixed in mould, in order to precast the structure of various shape and the position existed in test specimen.
The height of described sidewall is greater than 350mm, and internal diameter is greater than 300mm.
Can the method for operating of major diameter test block forming mould of prefabricated structure, specifically comprise step:
(1) assembly jig, fixes sidewall cranse and is placed on base plate;
(2) according to the position constructed in testing requirements determination test block and size, aft-loaded airfoil prefabricated board, make its size identical with the rectangular configuration that will simulate with thickness; Place the prefabricated board in order to simulation structure in the test piece mould that upper step assembles, and adopt the fixture with powerful electromagnetic chuck and coil tension spring to be fixed at base plate and sidewall upper;
(3) according to the material of testing requirements configuration sample after, successively fill in test piece mould after its mix is even, fill while carry out compacting with instrument;
(4) careful rubber mallet tamping in layers material of using is until die top, is connected the iron ring on prefabricated board, extract the prefabricated board in test specimen after material for test condensation by drawing apparatus;
(5) the last careful demoulding, and it is rear for subsequent use to allow test specimen naturally dry.
Described prefabricated board is solid plain plank, is provided with the iron ring squeezed in advance in plank upper edge, is separated by prefabricated board in order to connect apparatus during the demoulding with shaping test specimen.
Beneficial effect of the present invention is:
1. structure simple, be easy to operation, solve a difficult problem for prefabricated structure in test block.
2. can according to the feature of the required structure of test and shape, by regulating the thickness of prefabricated board, shape and position, realize the location of prefabricated structure and shaping, solving the difficulty that irregular structure is difficult to realize in prefabricated test block by the fixture being placed on base plate and sidewall upper.
3. whole operating process is easy to grasp, and test block forming speed is fast, good forming effect.
4. mould is detachable, very convenient sample processing.
5. can make the major diameter test specimen with structure, test specimen external diameter can reach 300mm, and height can reach 350mm.
Accompanying drawing explanation
Fig. 1 (a)-(b) is CONSTRUCTED SPECIFICATION schematic diagram of the present invention;
Fig. 2 is fixture detail drawing of the present invention;
Wherein, 1, top board; 2, cranse; 3, sidewall; 4, base plate; 5, fixture; 6 prefabricated boards; 7 powerful electromagnetic chucks; 8 coil tension springs.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Fig. 1 die drawing, Fig. 2 fixture detail drawing, a kind of can prefabricated rectangle structure major diameter test block forming mould, comprise top board 1; Cranse 2; Sidewall 3; Base plate 4 and the stationary installation for fixing prefabricated plates, top board 1, sidewall 3 and base plate 4 combine the column construction of a formation boring, respectively establish one for the cranse 2 of fixing top board and base plate at the top of sidewall 3 and bottom; Described stationary installation is used for inside prefabricated plates being fixed on column construction.
Stationary installation comprises a fixture 5, and described fixture connects many group coil tension springs 8, the one end often organizing coil tension spring 8 is connected on fixture 5, and the other end connects a powerful electromagnetic chuck 7, and described sucker suction is above sidewall or on base plate.
Sidewall 3 is a top and bottom opening, and inside is the cylindrical wall of cavity.
Top board 1 and base plate 4 are the boss that a surface is provided with hole upper and lower with sidewall and matches.
Outside surface on sidewall 3 is upper and lower respectively establishes a circle groove, and cranse is arranged in groove.
Prefabricated plates is made suitable shape as requested and is fixed in mould, in order to precast the structure of various shape and the position existed in test specimen.
Embodiment 1
Said apparatus pre-fabricated inner is utilized to be the major diameter test block of vertical rectangle:
1) assembly jig, fixes sidewall cranse and is placed on base plate.
2) according to test, the requirement of test specimen is determined to position and the thickness of vertical prefabricated structure, choose suitable prefabricated board and be vertically placed in the mould assembled.
3) according to the material of testing requirements configuration sample after, after its mix is even, placement in layers enters in test piece mould.
4) careful with rubber mallet tamping in layers material until die top, top is slowly tamped and levelling, is connected the iron ring on prefabricated board, extract the prefabricated board in test specimen after material for test condensation by drawing apparatus.
5) the last careful demoulding, and it is rear for subsequent use to allow test specimen naturally dry.
Embodiment 2
Said apparatus pre-fabricated inner is utilized to be the major diameter test block of the rectangular configuration horizontal by certain angle:
1) assembly jig, fixes sidewall cranse and is placed on base plate.
2) according to test to the requirement of test specimen determine prefabricated structure thickness and and surface level angulation, choose suitable prefabricated plates, by base plate and sidewall upper fixture by prefabricated board place in a mold.
3) according to the material of testing requirements configuration sample after, after its mix is even, placement in layers enters in test piece mould.
4) careful with rubber mallet tamping in layers material until die top, top is slowly tamped and levelling, is connected the iron ring on prefabricated board, extract the prefabricated board in test specimen after material for test condensation by drawing apparatus.
5) the last careful demoulding, and it is rear for subsequent use to allow test specimen naturally dry.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.

Claims (10)

1. one kind can the major diameter test block forming mould of prefabricated structure, it is characterized in that: comprise top board, sidewall, cranse, base plate and the stationary installation for fixing prefabricated plates, it is the column construction of cavity that described top board, sidewall form an inside together with floor combination, respectively establishes one for the cranse of fixing top board and base plate at the top of sidewall and bottom; Prefabricated plates is fixed on the inside of column construction by described stationary installation according to the position of structure prefabricated in test block.
2. a kind of as claimed in claim 1 can the major diameter test block forming mould of prefabricated structure, it is characterized in that: described stationary installation comprises a fixture, described fixture connects and organizes coil tension spring more, the one end often organizing coil tension spring is connected on fixture, the other end connects a sucker, and described sucker suction is above sidewall or on base plate.
3. a kind of as claimed in claim 2 can the major diameter test block forming mould of prefabricated structure, it is characterized in that: described fixture is clipped in top or the bottom of prefabricated plates.
4. a kind of as claimed in claim 1 can the major diameter test block forming mould of prefabricated structure, it is characterized in that: described stationary installation comprises two, a top being arranged on prefabricated plates, a bottom being arranged on prefabricated board.
5. a kind of as claimed in claim 1 can the major diameter test block forming mould of prefabricated structure, it is characterized in that: described sidewall is a top and bottom opening, inside is the cylindrical wall of cavity.
6. a kind of as claimed in claim 1 can the major diameter test block forming mould of prefabricated structure, it is characterized in that: described top board and base plate are the boss that a surface is provided with hole upper and lower with sidewall and matches.
7. a kind of as claimed in claim 1 can the major diameter test block forming mould of prefabricated structure, it is characterized in that: the outside surface on described sidewall is upper and lower respectively establishes a circle groove, and cranse is arranged in groove.
8. a kind of as claimed in claim 1 can the major diameter test block forming mould of prefabricated structure, it is characterized in that: described prefabricated plates is made suitable shape as requested and is fixed in mould, in order to precast the structure of various shape and the position existed in test specimen.
9. a kind of as claimed in claim 1 can the method for operating of major diameter test block forming mould of prefabricated structure, it is characterized in that, specifically comprise step:
(1) assembly jig, fixes sidewall cranse and is placed on base plate;
(2) according to position and the size of prefabricated structure in testing requirements determination test block, aft-loaded airfoil prefabricated board; Prefabricated board is placed in the test piece mould assembled, and adopts the fixture with powerful electromagnetic chuck and coil tension spring to be fixed at base plate and sidewall upper;
(3) according to the material of testing requirements configuration sample, successively fill in test piece mould after its mix is even, fill while carry out compacting with instrument;
(4) use rubber mallet tamping in layers material until die top, after material for test condensation, connected the iron ring on prefabricated board by drawing apparatus, extract the prefabricated board in test specimen;
(5) the last careful demoulding, and it is rear for subsequent use to allow test specimen naturally dry.
10. a kind of as claimed in claim 9 can the method for operating of major diameter test block forming mould of prefabricated rectangle structure, it is characterized in that: described prefabricated board is solid plain plank, be provided with the iron ring squeezed in advance in plank upper edge, in order to connect apparatus during the demoulding, prefabricated board be separated with shaping test specimen.
CN201510032812.9A 2015-01-22 2015-01-22 Large-diameter test block molding mould capable of prefabricating, and operating method of large-diameter test block molding mould Pending CN104677704A (en)

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Application Number Priority Date Filing Date Title
CN201510032812.9A CN104677704A (en) 2015-01-22 2015-01-22 Large-diameter test block molding mould capable of prefabricating, and operating method of large-diameter test block molding mould

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107132104A (en) * 2017-04-18 2017-09-05 大连理工大学 It is a kind of to prepare the mould with planarization CA mortar specimens
CN107351240A (en) * 2017-09-19 2017-11-17 芜湖铁路桥梁制造有限公司 Bridge pier prefabricated mould
CN107884246A (en) * 2017-12-19 2018-04-06 山东大学 Solution cavity preparation method in a kind of geomechanical model test
CN109822725A (en) * 2019-03-11 2019-05-31 安徽理工大学 A kind of mold and method for cement-soil with fiber test block production

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107132104A (en) * 2017-04-18 2017-09-05 大连理工大学 It is a kind of to prepare the mould with planarization CA mortar specimens
CN107351240A (en) * 2017-09-19 2017-11-17 芜湖铁路桥梁制造有限公司 Bridge pier prefabricated mould
CN107884246A (en) * 2017-12-19 2018-04-06 山东大学 Solution cavity preparation method in a kind of geomechanical model test
CN109822725A (en) * 2019-03-11 2019-05-31 安徽理工大学 A kind of mold and method for cement-soil with fiber test block production
CN109822725B (en) * 2019-03-11 2020-10-27 安徽理工大学 Mold and method for manufacturing fiber cement soil test block

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