CN104827550B - Precracking rebar concrete sample molding die and sample molding method - Google Patents
Precracking rebar concrete sample molding die and sample molding method Download PDFInfo
- Publication number
- CN104827550B CN104827550B CN201510239692.XA CN201510239692A CN104827550B CN 104827550 B CN104827550 B CN 104827550B CN 201510239692 A CN201510239692 A CN 201510239692A CN 104827550 B CN104827550 B CN 104827550B
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- Prior art keywords
- plate
- dividing plate
- base plate
- steel bar
- positioning block
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0094—Moulds for concrete test samples
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
- B28B1/0873—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould the mould being placed on vibrating or jolting supports, e.g. moulding tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a precracking rebar concrete sample molding die and a sample molding method. The die comprises a bottom plate, two side plates and more than two partition plates; the side plates are arranged at two sides of the bottom plate; the partition plates are inserted between the two side plates in parallel; more than one containing cavity for molding a concrete sample is defined among the bottom plate, the side plates and the partition plates; a rubber block is embedded in the middle of the partition plate at one side in the containing cavity; the same positions, close to one side of the containing cavity, of the partition plates and the rubber blocks are provided with a longitudinal reserved seam; slices of different thicknesses for precasting cracks of the concrete sample can be inserted in the reserved seams; each of the two side plates is provided with more than one detachable rebar positioning block; the rebar positioning blocks are provided with two positioning holes. According to the method, cracks are reserved in the side surfaces of the rebar concrete sample, and the die has the advantages that the structure is simple, positioning of rebars and stainless steel pipes of different diameters, changing the thickness of a rebar protection layer can be realized without the need of changing a die, and the like.
Description
Technical field
The present invention relates to mould, more particularly, to can reserve the concrete sample mould in side crack and use its molding
The method of test specimen.
Background technology
Reinforced concrete structure is a kind of topmost at present version, but due to its material itself and use environment
Feature so that reinforced concrete structure premature failure, lose its durability, cause huge economic loss.Test at present
During the research concrete durability of room, the corrosion state of reinforcing bar generally to be studied, and the impact to steel bar corrosion for the crack to be studied.
During research steel bar corrosion, bar diameter generally to be considered, thickness of concrete cover, the impact of fracture width.Existing mould
It is only applicable to the research that single bar diameter and protective layer thickness affect, change bar diameter or protection thickness on steel bar corrosion
More mold exchange is generally required after degree.In addition, the usual method that crack is reserved on forming surface adopting, it is unfavorable for molding and surface
Floating, thin slice is not fixed easily, and frequently results in the dislocation of prefabricated crack, and the crack obtaining is undesirable.In order to solve this problem, Ji Xuti
For a kind of armored concrete mould that can reserve crack in test specimen side.
Content of the invention
The technical problem to be solved in the present invention is to overcome the thin slice of prior art surface crack not to be fixed easily, easily misplace
Deficiency, provides that a kind of structure is simple, be not required to more mold exchange can realize the reinforcing bar of different-diameter and the positioning of stainless steel tube, conversion
The armored concrete mould that crack can be reserved in armored concrete test specimen side of thickness of protection tier；Also provide a kind of
Method with this mould molding side precracking test specimen.
For solving above-mentioned technical problem, technical scheme proposed by the present invention is：
A kind of precracking armored concrete specimen molding mould, including the dividing plate of base plate, two blocks of side plates and more than two pieces,
Described side plate is set in parallel in base plate both sides, and described dividing plate is parallel to be inserted between two blocks of side plates, described base plate, side plate and every
The more than one cavity volume for formation of concrete test specimen is surrounded between plate, embedding in the middle part of the dividing plate of described cavity volume wherein side
It is provided with block rubber, dividing plate and block rubber lean on and offer a longitudinal preset slot, described preset slot at the same position of cavity volume side
Interior energy plugs the thin slice of the different-thickness for precast concrete test specimen crack, two blocks of side plates are equipped with more than one piece detachable
Steel bar positioning block, steel bar positioning block is provided with two location holes for spacer bar and stainless steel tube.
Improvement further as technique scheme：
Preferably, on described base plate and side plate interior sides are all provided with fluted, described side plate is inserted in the groove of base plate simultaneously
It is bolted to connection；The two ends of described dividing plate are inserted in side plate groove, and the bottom of dividing plate is inserted in the groove of base plate,
The two ends of two blocks of side plates are respectively fixedly connected by a split bolt.
Preferably, the preset slot width on described dividing plate is 1mm, and the preset slot width on block rubber is from interior to cavity volume direction
It is gradually reduced, the widest part is 1mm, the rubber of preset slot both sides is in that radian changes, and is tangential at preset slot opening, described thin slice
For stainless steel thin slice, thickness is not more than 1mm.
Preferably, offer a cavity in the middle part of described dividing plate, described block rubber passes through glue bonding in described cavity.
Preferably, described steel bar positioning block is connected on side plate by loose-leaf buckle, steel bar positioning block leans on described reserved
The location hole of seam side is reinforcing bar location hole, and another location hole is stainless-steel pipe location hole.
Preferably, described dividing plate is 4 pieces, and described side plate, base plate and 4 pieces of dividing plates surround the cavity volume described in 3.
Preferably, the thickness of described base plate, side plate and dividing plate is 15mm, and the width of described groove is 15mm, and depth is
5mm, described cavity volume is 100mm*100*100mm.
Preferably, described steel bar positioning block and loose-leaf buckle are aluminum alloy materials product, and dividing plate, base plate and side plate are to be moulded
Material product.
As a total design of technique scheme, the present invention also provides a kind of pre- with above-mentioned mould molding
The method of crack armored concrete test specimen, comprises the following steps that：
A. as needed, select dimension steel bar positioning block with loose-leaf card spiral-lock on two blocks of side plates；
B. base plate is kept flat, two blocks of side plates with steel bar positioning block insert in the groove of base plate, then are sequentially inserted into requisite number
The dividing plate of amount；
C. the split bolt at side plate two ends is tightened, and the screw tightening by base plate, complete mould assembling；
D. the reinforcing bar of dimension is inserted in the location hole that steel bar positioning block leans on preset slot side, will examine in linear polarization method
Survey the stainless steel tube as reference electrode during steel bar corrosion to insert in another location hole of steel bar positioning block；
E. as needed, will inject in dividing plate and the preset slot of block rubber with thick stainless steel thin slice with precracking；
F. the concrete being stirred is loaded in the mould cavity volume assembling, vibration compacting on a vibration table, floating, wait to mix
Extract stainless steel thin slice after the final set of solidifying soil, that is, obtain the concrete sample with side crack.
Compared with prior art, it is an advantage of the current invention that：
（1）The present invention is provided with preset slot in dividing plate side, can reserve crack in test specimen side, reserve with respect on surface
Crack, its thin slice is easily fixed, and crack is difficult dislocation and test specimen is more preferably floating；
（2）The present invention is embedded block rubber in dividing plate, and block rubber also opens up the preset slot of width gradual change, and it utilizes rubber
Elasticity can fix the stainless steel thin slice of different-thickness, can be with the crack of prefabricated different in width, structure is simple, applied widely；
（3）Steel bar positioning block in the present invention is connected on side plate by loose-leaf buckle, facilitates dismounting and change, can basis
Experiment needs to adjust the protective layer thickness of reinforcing bar, realizes the reinforcing bar of different-diameter and the positioning of stainless steel tube；
（4）Pass through groove between side plate in the present invention and base plate and screw connection is firm, good integrity；
（5）The mould of the present invention is easily assembled, using plastic part, light and corrosion-resistant, low price, recycling rate
High.
Brief description
Fig. 1 is the perspective view of the precracking armored concrete specimen molding mould of the present invention.
Fig. 2 is the perspective view of the first dividing plate in the present invention.
Fig. 3 is the main structure diagram of the first dividing plate in the present invention.
Fig. 4 is the sectional perspective section mplifying structure schematic diagram of the first dividing plate and block rubber in the present invention.
Fig. 5 is the overlooking the structure diagram of base plate in the present invention.
Marginal data：
1st, side plate；2nd, the first dividing plate；3rd, second partition；4th, base plate；41st, longitudinal fluting；42nd, transverse concave groove；5th, block rubber；
6th, steel bar positioning block；61st, reinforcing bar location hole；62nd, stainless steel tube location hole；7th, loose-leaf buckle；8th, preset slot；9th, split bolt.
Specific embodiment
For the ease of understanding the present invention, below in conjunction with Figure of description and preferred embodiment, the present invention is made more complete
Face, meticulously describe, but protection scope of the present invention is not limited to embodiment in detail below.
As shown in Fig. 1 ~ Fig. 5, a kind of precracking armored concrete specimen molding Die Embodiment of present invention, including base plate
4th, two blocks of side plates 1 and four pieces of dividing plates（Can also be two pieces of blocks, three pieces of blocks or more than five pieces in other embodiment）, therein three
Block is the first dividing plate 2, and one piece is second partition 3, and two blocks of side plates 1 are set in parallel in base plate 4 both sides, three piece of first dividing plate 2 and
Block second partition 3 is parallel successively to be inserted between two blocks of side plates 1, surrounds three use between base plate 4, side plate 1 and four pieces of dividing plates
In the cavity volume of formation of concrete test specimen, cavity volume is the cube cavity volume of 100mm*100*100mm.The middle part of each first dividing plate 2 is opened
It is provided with a cavity, in cavity, pass through glue bonding one block rubber 5, the flush of the surface of block rubber 5 and the first dividing plate 2.The
One dividing plate 2 and block rubber 5 lean on and offer a longitudinal preset slot 8 at the same position of cavity volume side, and preset slot 8 interior energy plugs use
Stainless steel thin slice in the different-thickness in precast concrete test specimen crack（In figure is not shown）, two blocks of side plates 1 are equipped with three pieces
Dismountable steel bar positioning block 6, steel bar positioning block 6 is provided with two location holes.
In the present embodiment, base plate 4, the thickness of side plate 1, the first dividing plate 2 and second partition 3 are the plastic part of 15mm.
Base plate 4 is provided with multiple platforms higher than surrounding, forms two longitudinal flutings 41 and four transverse concave grooves 42, side plate between platform
1 is inserted in longitudinal fluting 41, and is fixedly connected by the bolt being arranged on base plate 4, also is provided with side plate recessed inside side plate 1
Groove, the two ends of the first dividing plate 2 and second partition 3 are inserted in side plate groove, and bottom is inserted in the transverse concave groove 42 of base plate 4,
The two ends of two blocks of side plates 1 are respectively fixedly connected by a split bolt 9.In the present embodiment, the width of each bar groove is 15mm, deep
Spend for 5mm.
In the present embodiment, steel bar positioning block 6 is connected on side plate 1 by loose-leaf buckle 7, loose-leaf buckle 7 one end hinge with
Side plate 1 is fixedly connected, and other end hinge can the axle in the middle of two hinges rotate, and passes through screw connection with steel bar positioning block 6.Steel
Muscle locating piece 6 and loose-leaf buckle 7 are aluminum alloy materials product.The location hole leaning on preset slot 8 side on steel bar positioning block 6 is steel
Muscle location hole 61, another location hole adjacent thereto is stainless steel tube location hole 62, and stainless steel tube detects as linear polarization method
Reference electrode during steel bar corrosion.The specification of steel bar positioning block 6 is replaceable, facilitates implementation reinforcing bar and the stainless steel tube of different-diameter
Positioning, and the thickness of cover to reinforcement can be changed.
In the present embodiment, preset slot 8 width in the middle of the first dividing plate 2 is 1mm, and depth is 5mm.Reserved on block rubber 5
Stitch 8 width to be gradually reduced to cavity volume direction from interior, it changes to control by the rubber radian of preset slot 8 both sides, both sides arc phase
It is cut at preset slot 8 opening, preset slot 8 the widest part on block rubber 5 is 1mm.Permissible by the radian preset slot on block rubber 5
Fixed thickness is not more than the stainless steel thin slice of the different-thickness of 1mm.Before casting concrete test specimen, will be with reserved fracture width with thick
Stainless steel thin slice inject above-mentioned preset slot in, after concrete final set, stainless steel thin slice is extracted, test specimen reserve crack complete.
This mould can reserve the wide side crack of maximum 1 mm.
With prefabricated three methods with side precracking armored concrete test specimen of the above-mentioned mould of the present invention, concrete behaviour
Make step as follows：
A. as needed, select the steel bar positioning block 6 of dimension, be respectively arranged in two blocks of side plates with loose-leaf card button
On, the screw that loose-leaf buckle is connected with steel bar positioning block is risen with Flos Mume to be tightened；
B. base plate is kept flat, two blocks of side plates being mounted with steel bar positioning block are inserted in the longitudinal fluting of base plate, more successively
One piece of second partition of insertion and the first dividing plate of three pieces of block rubbers that bondd, form three specimen molding cavity volumes；
C. the split bolt at side plate two ends is tightened, and the screw tightening by base plate, complete mould assembling；
D. the reinforcing bar of dimension is inserted in the location hole that steel bar positioning block leans on preset slot side, will be in linear polarization method
During detection steel bar corrosion, the stainless steel tube as reference electrode inserts in another location hole of steel bar positioning block；
E. as needed, by three pieces of stainless steel thin slices with the same thickness of test specimen precracking（The thickest for 1mm）It is separately inserted three pieces
In the vertical preset slot of the first dividing plate and block rubber；
F. the concrete being stirred is loaded in the mould cavity volume assembling, vibration compacting on a vibration table, floating, treat
Extract stainless steel thin slice after concrete final set, disposably obtain the concrete that three pieces of length of sides with side crack are 100mm and stand
Cube test specimen.
The method for dismounting of this mould is：Rise to unscrew the screw of base plate with Flos Mume and take off, unload lower shoe, then by side plate two
The split bolt of side takes off, and removes side plate, finally takes off the first dividing plate and second partition, takes off test specimen, and mould release completes.
Claims (9)
1. a kind of precracking armored concrete specimen molding mould it is characterised in that：Including base plate, two blocks of side plates and two pieces with
On dividing plate, described side plate is set in parallel in base plate both sides, and described dividing plate is parallel to be inserted between two blocks of side plates, described base plate,
The more than one cavity volume for formation of concrete test specimen is surrounded, positioned at described cavity volume wherein side between side plate and dividing plate
It is embedded with block rubber, dividing plate and block rubber lean on and offer a longitudinal preset slot at the same position of cavity volume side in the middle part of dividing plate,
Described preset slot interior energy plugs the thin slice of the different-thickness for precast concrete test specimen crack, and two blocks of side plates are equipped with one piece
Dismountable steel bar positioning block above, steel bar positioning block is provided with two location holes for spacer bar and stainless steel tube.
2. mould according to claim 1 it is characterised in that：On described base plate and side plate interior sides be equipped with recessed
Groove, described side plate is inserted in the groove of base plate and is bolted to connection；The two ends of described dividing plate are inserted in side plate groove
Interior, the bottom of dividing plate is inserted in the groove of base plate, and the two ends of two blocks of side plates are respectively fixedly connected by a split bolt.
3. mould according to claim 2 it is characterised in that：Preset slot width on described dividing plate is 1mm, rubber
Preset slot width on block is gradually reduced to cavity volume direction from interior, and the widest part is 1mm, and the rubber of preset slot both sides is in that radian becomes
Change, and be tangential at preset slot opening, described thin slice is stainless steel thin slice, thickness is not more than 1mm.
4. mould according to claim 3 it is characterised in that：A cavity, described rubber is offered in the middle part of described dividing plate
Blob of viscose passes through glue bonding in described cavity.
5. the mould according to any one of claim 1 ~ 4 it is characterised in that：Described steel bar positioning block passes through loose-leaf card
Button is connected on side plate, and the location hole that steel bar positioning block leans on described preset slot side is reinforcing bar location hole, and another location hole is
Stainless steel tube location hole.
6. the mould according to any one of claim 1 ~ 4 it is characterised in that：Described dividing plate is 4 pieces, described side plate,
Base plate and 4 pieces of dividing plates surround the cavity volume described in 3.
7. the mould according to any one of claim 2 ~ 4 it is characterised in that：Described base plate, side plate and dividing plate
Thickness is 15mm, and the width of described groove is 15mm, and depth is 5mm, and described cavity volume is 100mm*100*100mm.
8. the mould according to any one of claim 1 ~ 4 it is characterised in that：Described steel bar positioning block and loose-leaf buckle
For aluminum alloy materials product, dividing plate, base plate and side plate are plastic part.
9. the method for the mould molding precracking armored concrete test specimen described in a kind of use claim 3 or 4, concrete steps
As follows：
A. as needed, select dimension steel bar positioning block with loose-leaf card spiral-lock on two blocks of side plates；
B. base plate is kept flat, two blocks of side plates with steel bar positioning block insert in the groove of base plate, then are sequentially inserted into requirement
Dividing plate；
C. the split bolt at side plate two ends is tightened, and the screw tightening by base plate, complete mould assembling；
D. the reinforcing bar of dimension is inserted in the location hole that steel bar positioning block leans on longitudinal preset slot side, will examine in linear polarization method
Survey the stainless steel tube as reference electrode during steel bar corrosion to insert in another location hole of steel bar positioning block；
E. as needed, will inject in dividing plate and the preset slot of block rubber with thick stainless steel thin slice with precracking；
F. the concrete being stirred is loaded in the mould cavity volume assembling, vibration compacting on a vibration table, floating, treat concrete
Extract stainless steel thin slice after final set, that is, obtain the concrete sample with side crack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239692.XA CN104827550B (en) | 2015-05-13 | 2015-05-13 | Precracking rebar concrete sample molding die and sample molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239692.XA CN104827550B (en) | 2015-05-13 | 2015-05-13 | Precracking rebar concrete sample molding die and sample molding method |
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| Publication Number | Publication Date |
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| CN104827550A CN104827550A (en) | 2015-08-12 |
| CN104827550B true CN104827550B (en) | 2017-02-22 |
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| CN201510239692.XA Expired - Fee Related CN104827550B (en) | 2015-05-13 | 2015-05-13 | Precracking rebar concrete sample molding die and sample molding method |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090006127U (en) * | 2007-12-17 | 2009-06-22 | 주식회사 빌드썬 | Shedding mechanism for opening slab |
| CN202886159U (en) * | 2012-10-12 | 2013-04-17 | 四川大学 | Concrete sample pre-set template with cracks |
| CN203259386U (en) * | 2013-03-18 | 2013-10-30 | 浙江大学 | Apparatus for making natural cracks of concrete test piece |
| CN103698218A (en) * | 2013-12-12 | 2014-04-02 | 河海大学 | Simulated testing device for hydraulic fracture of concrete member under different stress conditions |
| CN203672685U (en) * | 2013-10-15 | 2014-06-25 | 高伟 | Multifunctional combined type concrete test block die |
| CN203863809U (en) * | 2014-05-22 | 2014-10-08 | 重庆建工新型建材有限公司 | Test block die made from concrete |
| CN203881594U (en) * | 2014-06-10 | 2014-10-15 | 长安大学 | Concrete fracture toughness test piece and test device |
| CN104308957A (en) * | 2014-10-13 | 2015-01-28 | 河海大学 | Concrete or baking-free brick semidry method pressing and forming device and method |
| CN204188427U (en) * | 2014-04-01 | 2015-03-04 | 西北农林科技大学 | A kind of test block shaping dies for testing concrete by three-point bending energy to failure |
| CN204640455U (en) * | 2015-05-13 | 2015-09-16 | 中南大学 | A kind of precracking armored concrete specimen molding mould |
-
2015
- 2015-05-13 CN CN201510239692.XA patent/CN104827550B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090006127U (en) * | 2007-12-17 | 2009-06-22 | 주식회사 빌드썬 | Shedding mechanism for opening slab |
| CN202886159U (en) * | 2012-10-12 | 2013-04-17 | 四川大学 | Concrete sample pre-set template with cracks |
| CN203259386U (en) * | 2013-03-18 | 2013-10-30 | 浙江大学 | Apparatus for making natural cracks of concrete test piece |
| CN203672685U (en) * | 2013-10-15 | 2014-06-25 | 高伟 | Multifunctional combined type concrete test block die |
| CN103698218A (en) * | 2013-12-12 | 2014-04-02 | 河海大学 | Simulated testing device for hydraulic fracture of concrete member under different stress conditions |
| CN204188427U (en) * | 2014-04-01 | 2015-03-04 | 西北农林科技大学 | A kind of test block shaping dies for testing concrete by three-point bending energy to failure |
| CN203863809U (en) * | 2014-05-22 | 2014-10-08 | 重庆建工新型建材有限公司 | Test block die made from concrete |
| CN203881594U (en) * | 2014-06-10 | 2014-10-15 | 长安大学 | Concrete fracture toughness test piece and test device |
| CN104308957A (en) * | 2014-10-13 | 2015-01-28 | 河海大学 | Concrete or baking-free brick semidry method pressing and forming device and method |
| CN204640455U (en) * | 2015-05-13 | 2015-09-16 | 中南大学 | A kind of precracking armored concrete specimen molding mould |
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