CN102912975B - A kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering - Google Patents

A kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering Download PDF

Info

Publication number
CN102912975B
CN102912975B CN201210431018.8A CN201210431018A CN102912975B CN 102912975 B CN102912975 B CN 102912975B CN 201210431018 A CN201210431018 A CN 201210431018A CN 102912975 B CN102912975 B CN 102912975B
Authority
CN
China
Prior art keywords
corner panel
cement
composite material
panel
base composite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201210431018.8A
Other languages
Chinese (zh)
Other versions
CN102912975A (en
Inventor
李庆华
黄博滔
徐世烺
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.)
CHANGZHOU GUBANG COMPOSITE MATERIAL TECHNOLOGY CO LTD
Zhejiang University ZJU
Original Assignee
CHANGZHOU GUBANG COMPOSITE MATERIAL TECHNOLOGY CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHANGZHOU GUBANG COMPOSITE MATERIAL TECHNOLOGY CO LTD filed Critical CHANGZHOU GUBANG COMPOSITE MATERIAL TECHNOLOGY CO LTD
Priority to CN201210431018.8A priority Critical patent/CN102912975B/en
Publication of CN102912975A publication Critical patent/CN102912975A/en
Application granted granted Critical
Publication of CN102912975B publication Critical patent/CN102912975B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Revetment (AREA)

Abstract

Patent of invention discloses a kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering.Adjacent corners panel and corner panel are by fasten and cementing agent is connected.Patent of the present invention uses as column template in industry and Civil structure, hydro-structure and port sea structure isostructural cylinder stage of building, build shaping rear double do this structure protected apron and external protection bear a part of load.Template described in patent of the present invention can make of following several different kinds material, comprise self-compaction super toughness cement-base composite material (self-compaction UHTCC), non metal fiber woven net and flock combined reinforced concrete base composite material, gauze wire cloth flock combined reinforced concrete base composite material etc., have simple for production, easy to use, durability is high, the feature that control critical eigenvalue is carried out.

Description

A kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering
Technical field
The invention belongs to a kind of construction formwork; specifically a kind of high-durability permanent formwork being mainly used in industry and Civil structure, hydro-structure and the isostructural cylinder of port sea structure; use as template in the stage of building; build shaping rear double protected apron and the external protection doing structure, bear the structural load of a part simultaneously.
Background technology
At present, in domestic construction field, industry uses the template such as wooden form, steel form usually with Civil structure, hydro-structure and the port isostructural cylinder of sea structure, there is the unfavorable factors such as consumption is large, dismounting is inconvenient, have enough to meet the need costly, utilization rate is low.Endurance issues is one of subject matter of facing of reinforced concrete structure all the time.In structure under conventional situation, ordinary concrete surface is naturally exposed, and durability is lower, and the house of current China nearly 50% enters the ageing step, and namely the building of 23.4 hundred million square metres faces endurance issues.In addition, to carry out using cracking resistance as controlled condition designing be hydro-structure, sea, port structure etc. is different from the key character of other types building structure, the normal work that ordinary concrete problem easy to crack not only can affect hydro-structure etc. also can affect its durability and application life, the serious safe operation that even can affect structure.Some is industry and more scabrous problem in Civil structure, hydro-structure and the construction such as structure of sea, port and use procedure all the time above.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering, to improve the unfavorable factor that conventional template is brought, improve structure durability simultaneously, reduce structure later maintenance cost and the application life of final extending structure, for this reason, the present invention is by the following technical solutions:
It forms template by corner panel, and described corner panel is formed main body with the first perpendicular panel and the second panel; The inner side of the wherein side of described corner panel has protruding connection configuration, the opposite side of described corner panel has its size can with the outwardly open link slot being connected configuration grafting and coordinating, or, the outside of the wherein side of described corner panel has protruding connection configuration, and the opposite side of described corner panel has its size can with the link slot to inner opening being connected configuration grafting and coordinating; Described corner panel selects following different materials to make: self-compaction super toughness cement-base composite material, non metal fiber woven net and flock combined reinforced concrete base composite material, gauze wire cloth and flock combined reinforced concrete base composite material.
On the basis adopting technique scheme, the present invention also can adopt following further technical scheme:
Self-compaction super toughness cement-base composite material used, its composition comprises cement, active mineral admixture, aggregate, fiber, polycarboxylate water-reducer and water, and active mineral admixture adopts the combination of flyash or flyash and one or more materials following: silicon ash, granulated blast-furnace slag, metakaolin; The maximum particle diameter of aggregate is no more than 0.5mm, fiber is one or more the combination in vinal, polyethylene fibre, aromatic polyamide fibre, fibre length is 5 ~ 25mm, diameter is 0.015 ~ 0.055mm, modulus of elasticity is 30 ~ 150GPa, tensile strength is 1000 ~ 3500MPa, ultimate elongation is 2% ~ 15%, and the weight ratio of cement and each component of active mineral admixture is:
Cement 12% ~ 55%
Flyash 45% ~ 85%
Silicon ash 0 ~ 15%
Granulated blast-furnace slag 0 ~ 10%
Metakaolin 0 ~ 20%
Above cement and each components by weight sum of active mineral admixture meet 100%;
The weight of aggregate is 1% ~ 70% with the ratio of cement and active mineral admixture gross weight, the weight of water is 18% ~ 58% with the ratio of cement and active mineral admixture gross weight, the volume of fiber is 1.5% ~ 2.5% of cement-base composite material cumulative volume, and polycarboxylate water-reducer volume is 0.1% ~ 0.4% of gross mass.
When described self-compaction super toughness cement-base composite material uses vinal, polyethylene fiber peacekeeping aromatic polyamide fibre three kinds of fibers strengthen simultaneously, its proportioning is:
Cement and each components by weight of active mineral admixture are: cement 25%, flyash 60%, silicon ash 2%, granulated blast-furnace slag 8%, metakaolin 5%;
The maximum particle diameter of aggregate is 0.5mm, and the ratio that aggregate weigh and cement add active mineral admixture gross weight is 40%, and the ratio that weight and the cement of water add active mineral admixture gross weight is 25% ~ 45%; The volume of fiber is 1.8% ~ 2.3% of cement-base composite material cumulative volume;
The polyethylene fibre length adopted is 12mm, and diameter is 0.039mm, and tensile strength is 1620MPa, and modulus of elasticity is 42.8GPa, and ultimate elongation is 6%, and volume is 1.2% ~ 1.5% of cement-base composite material cumulative volume; Polyethylene fibre length is 12.7mm, and diameter is 0.038mm, and tensile strength is 2700MPa, and modulus of elasticity is 120GPa, and ultimate elongation is 3.5%, and volume is 0.4% ~ 0.9% of cement-base composite material cumulative volume; Aromatic polyamide fibre length is 15mm, and diameter is 0.015mm, and tensile strength is 2800MPa, and modulus of elasticity is 132GPa, ultimate elongation 2.4%, and volume is 0.2% ~ 0.4% of cement-base composite material cumulative volume.
Described self-compaction super toughness cement-base composite material is when described cement-base composite material uses vinal and aromatic polyamide fibre two kinds of fibers to strengthen simultaneously, and its proportioning is:
Cement and each components by weight of active mineral admixture are: cement 30%, flyash 52%, granulated blast-furnace slag 3%, metakaolin 15%;
The maximum particle diameter of aggregate is 0.5mm, and the ratio that aggregate weigh and cement add active mineral admixture gross weight is 65%, and the ratio that weight and the cement of water add active mineral admixture gross weight is 20% ~ 55%; The volume of fiber is 1.8% ~ 2.2% of cement-base composite material cumulative volume;
The vinal length adopted is 12mm, and diameter is 0.039mm, and tensile strength is 1620MPa, and modulus of elasticity is 42.8GPa, and ultimate elongation is 6%, and volume is 1.6% ~ 2.0% of cement-base composite material cumulative volume; Aromatic polyamide fibre length is 15mm, and diameter is 0.015mm, and tensile strength is 2800MPa, and modulus of elasticity is 132GPa, ultimate elongation 2.4%, and volume is 0.2% ~ 0.4% of cement-base composite material cumulative volume.
Described self-compaction super toughness cement-base composite material is when described cement-base composite material uses vinal and polyethylene fibre two kinds of fibers to strengthen simultaneously, and its proportioning is:
Cement and each components by weight of active mineral admixture are: cement 55%, flyash 45%, and the model of cement is P.II52.5R;
The maximum particle diameter of aggregate is 0.5mm, and the ratio that weight and the cement of aggregate add active mineral admixture gross weight is 50%, and the ratio that weight and the cement of water add active mineral admixture gross weight is 40% ~ 55%; The volume of fiber is 1.8% ~ 2.2% of cement-base composite material cumulative volume;
The vinal length adopted is 12mm, and diameter is 0.039mm, tensile strength is 1620MPa, modulus of elasticity is 42.8GPa, ultimate elongation is 6%, and volume is 1.2% ~ 1.9% of fibrous concrete cumulative volume; Polyethylene fibre length is 12.7mm, and diameter is 0.038mm, and tensile strength is 2700MPa, and modulus of elasticity is 120GPa, and ultimate elongation is 3.5%, and volume is 0.3% ~ 0.8% of cement-base composite material cumulative volume.
Described non metal fiber woven net and flock combined reinforced concrete base composite material are made up of non metal fiber woven net, nonmetal short fiber and cement based matrix, and described non metal fiber woven net comprises: Carbon Fibre Textile, aramid fiber mesh grid, alkali-resistant glass fibre mesh grid, vinal mesh grid, polyethylene fibre mesh grid or the assorted fibre mesh grid of being made up of above fiber shuffling; Nonmetal short fiber comprises: one or more in vinal, polyethylene fibre, carbon fiber, aramid fiber; The constituent of cement based matrix comprises: in portland cement, high alumina cement, sulphate aluminium cement one or more, active mineral fine mineral admixture, water reducing agent, meticulous sand, described active mineral fine mineral admixture is the material with pozzolanic activity.
The material of described pozzolanic activity comprises one or more in flyash, silica flour, granulated blast-furnace slag, and the maximum particle diameter of meticulous sand is less than 0.6mm.
In non metal fiber woven net and flock combined reinforced concrete base composite material, the percent by volume of nonmetal short fiber this total composite volume relative is 1.5 ~ 2.5%.
The inner surface of described corner panel is distributed with some grooves; Described connection configuration is the sidewall shape of corner panel side; Also adhesive bond is passed through between adjacent corners panel.
The present invention to be connected with link slot by the connection configuration of adjacent corners panel by polylith corner panel and transverse joint between described corner panel staggers mutually and connects and composes column template.
The present invention can need to adjust according to using the template that the quantity of corner panel and size are combined to form required size and shape, thus forms complete template system.Cementing agent is also used to bond for the binding face between corner panel and corner panel.The size of column template of the present invention can meet the needs of the difformity sizes such as square, rectangle according to actual needs by the size adjusting corner panel, adjustment corner panel quantity meets the needs of differing heights size.
Owing to adopting technical scheme of the present invention; the present invention used as template in the stage of building; build shaping after, do not need to remove, and double protected apron and the external protection doing structure; become permanent formwork; itself cost is low and also eliminate demolition cost and turnover expense, reduces engineering cost, can improve and solve the problems such as dismounting in the template constructions such as industry and the extra large structure in Civil structure, hydro-structure and port and utilization rate; reduce construction intensity, greatly can shorten the engineering time.Meanwhile, because this template is made up of self-compaction super toughness cement-base composite material, non metal fiber woven net and flock combined reinforced concrete base composite material or gauze wire cloth and flock combined reinforced concrete base composite material, the feature such as there is high stretching ductility and Crack Control ability, damage tolerance is high, energy absorption capability is strong, effectively can reduce the harmful cracks of body structure surface generation and suppress crack progressing, its chloride-penetration resistance and water resistant permeance property are much better than ordinary concrete, can significantly improve durability and the application life of concrete structure.Meanwhile, adopt the structure of corner panel of the present invention, column template is by the assembled assembling of corner panel, and have and make simply, assemble easy to use, durability is high, the feature that control critical eigenvalue is carried out.Column template provided by the present invention can also be born part-structure load and reduce column body amount of reinforcement, promotes overall efficiency.
Accompanying drawing explanation
Fig. 1 (a) is the permanent column shuttering structural representation that corner panel of the present invention is connected into.
Fig. 1 (b) is the permanent column shuttering top view that corner panel of the present invention is connected into.
Fig. 2 (a) is the structural representation of corner panel of the present invention.
Fig. 2 (b) is the elevation of corner panel of the present invention.
Fig. 2 (c) is the top view of corner panel of the present invention.
Fig. 2 (d) is the lateral view of corner panel of the present invention.
Fig. 2 (e) is the A-A sectional view of Fig. 2 (b).
Fig. 2 (f) is the B-B sectional view of Fig. 2 (c).
Fig. 2 (g) is the C-C sectional view of Fig. 2 (c).
Fig. 3 (a) is the shaft side figures such as the southwest of assembling schematic diagram of the present invention.
Fig. 3 (b) is the shaft side figures such as the southeast of assembling schematic diagram of the present invention.
Detailed description of the invention
Can assembled anti-cracking and seepage control permanent column shuttering detailed description of the invention be described further mutual buckle type provided by the present invention below in conjunction with accompanying drawing, this embodiment is to explanation of the present invention, instead of makes any restriction to the present invention.
A kind of mutual buckle type of the present embodiment can have corner panel 10 pieces to be connected with link slot by the connection configuration of adjacent corners panel and transverse joint between described corner panel staggers mutually and connects and composes column template by assembled anti-cracking and seepage control permanent column shuttering.Described corner panel 1 is formed main body with the first perpendicular panel 13 and the second panel 14; The inner side of the wherein side of described corner panel has protruding connection configuration 11, and the opposite side of described corner panel has its size can with the outwardly open link slot 10 being connected configuration 11 grafting and coordinating; Described corner panel selects following different materials to make: self-compaction super toughness cement-base composite material, non metal fiber woven net and flock combined reinforced concrete base composite material, gauze wire cloth and flock combined reinforced concrete base composite material.
The inner surface of described corner panel is distributed with some grooves 12; The sidewall shape of described connection configuration 11 in corner panel side; Also adhesive bond is passed through between adjacent corners panel.
As shown in Fig. 3 (a) (b), below introduce the implementation method in above-mentioned situation.
1. use self-compaction super toughness cement-base composite material to make corner panel ten pieces.Self-compaction super toughness cement-base composite material (self-compaction UHTCC) used, its composition comprises cement, active mineral admixture, aggregate, fiber and water, and active mineral admixture adopts the combination of flyash or flyash and one or more materials following: silicon ash, granulated blast-furnace slag, metakaolin, the maximum particle diameter of aggregate is no more than 0.5mm, fiber is vinal, polyethylene fibre, one or more combination in aromatic polyamide fibre, fibre length is 5 ~ 25mm, diameter is 0.015 ~ 0.055mm, modulus of elasticity is 30 ~ 150GPa, tensile strength is 1000 ~ 3500MPa, ultimate elongation is 2% ~ 15%, the weight ratio of cement and each component of active mineral admixture is: cement (12% ~ 55%), flyash (45% ~ 85%), silicon ash (0 ~ 15%), granulated blast-furnace slag (0 ~ 10%), metakaolin (0 ~ 20%), above cement and each components by weight sum of active mineral admixture meet 100%, the weight of aggregate is 1% ~ 70% with the ratio of cement and active mineral admixture gross weight, the weight of water is 18% ~ 58% with the ratio of cement and active mineral admixture gross weight, the volume of fiber is 1.5% ~ 2.5% of cement-base composite material cumulative volume, and high-efficiency water-reducing agent of poly-carboxylic acid volume is 0.1% ~ 0.4% of cement-base composite material gross mass.
2. during assembling, corner panel is carried out assembled from bottom to top, corner panel suitable interlaced arrangement during assembling, thus make panel transverse joint not on the same line, cementing agent is used to bond the cross section of each group of corner panel, as shown in Fig. 3 (a) (b).
During construction, can according to real size need carry out the size of corner panel, quantitative design and assembling, the cross section that can be realized different size by adjustment the first template of corner panel and the width of the second template is rectangle or foursquare column template, and adjustment corner panel quantity meets the needs of differing heights size.Corner panel alternative splicing should be adopted from bottom to top to complete the overall package of column template, and assembling mode is varied.
It is simple that the present invention has making, easy to use, the feature that raising structure durability and control critical eigenvalue are carried out, and easily meets the application of a large amount of engineering.

Claims (5)

1. mutual buckle type can an assembled anti-cracking and seepage control permanent column shuttering, and it is characterized in that: it forms template by corner panel (1), described corner panel (1) is formed main body with the first perpendicular panel and the second panel; The inner side of the wherein side of described corner panel has protruding connection configuration, the opposite side of described corner panel has its size can with the outwardly open link slot being connected configuration grafting and coordinating, or, the outside of the wherein side of described corner panel has protruding connection configuration, and the opposite side of described corner panel has its size can with the link slot to inner opening being connected configuration grafting and coordinating; Described corner panel selects following different materials to make: non metal fiber woven net and flock combined reinforced concrete base composite material or gauze wire cloth and flock combined reinforced concrete base composite material; The inner surface of described corner panel is distributed with some grooves; Described connection configuration is the sidewall shape of corner panel side; Also adhesive bond is passed through between adjacent corners panel; Described column template used as template in the stage of building, build shaping after, do not need to remove, and double protected apron and the external protection doing structure; Described column template is born part-structure load and is reduced column body amount of reinforcement.
2. a kind of mutual buckle type according to claim 1 can assembled anti-cracking and seepage control permanent column shuttering, it is characterized in that: described non metal fiber woven net and flock combined reinforced concrete base composite material are made up of non metal fiber woven net, nonmetal short fiber and cement based matrix, and described non metal fiber woven net comprises: Carbon Fibre Textile, aramid fiber mesh grid, alkali-resistant glass fibre mesh grid, vinal mesh grid, polyethylene fibre mesh grid or the assorted fibre mesh grid of being made up of above fiber shuffling; Nonmetal short fiber comprises: one or more in vinal, polyethylene fibre, carbon fiber, aramid fiber; The constituent of cement based matrix comprises: in portland cement, high alumina cement, sulphate aluminium cement one or more, active mineral fine mineral admixture, water reducing agent, meticulous sand, described active mineral fine mineral admixture is the material with pozzolanic activity.
3. a kind of mutual buckle type according to claim 2 can assembled anti-cracking and seepage control permanent column shuttering, it is characterized in that: the material of pozzolanic activity comprises one or more in flyash, silica flour, granulated blast-furnace slag, and the maximum particle diameter of meticulous sand is less than 0.6mm.
4. a kind of mutual buckle type according to claim 2 can assembled anti-cracking and seepage control permanent column shuttering, it is characterized in that: in non metal fiber woven net and flock combined reinforced concrete base composite material, the percent by volume of nonmetal short fiber this total composite volume relative is 1.5 ~ 2.5%.
5. a kind of mutual buckle type according to claim 1 can assembled anti-cracking and seepage control permanent column shuttering, it is characterized in that: it to be connected with link slot by the connection configuration of adjacent corners panel by polylith corner panel and transverse joint between described corner panel staggers mutually and connects and composes column template.
CN201210431018.8A 2012-10-31 2012-10-31 A kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering Active CN102912975B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210431018.8A CN102912975B (en) 2012-10-31 2012-10-31 A kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210431018.8A CN102912975B (en) 2012-10-31 2012-10-31 A kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering

Publications (2)

Publication Number Publication Date
CN102912975A CN102912975A (en) 2013-02-06
CN102912975B true CN102912975B (en) 2016-04-27

Family

ID=47611523

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210431018.8A Active CN102912975B (en) 2012-10-31 2012-10-31 A kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering

Country Status (1)

Country Link
CN (1) CN102912975B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103993733A (en) * 2014-05-20 2014-08-20 富于安(福建)环保模板有限公司 Concrete formwork unit and construction method thereof
ES2770107T3 (en) * 2015-01-31 2020-06-30 Sentry Prot Llc Column protector and column protection system
CN105019600A (en) * 2015-08-04 2015-11-04 万保金 Disassembly-free precast concrete frame column template
CN108360811A (en) * 2018-02-08 2018-08-03 中国矿业大学 A kind of TRC pin joints formula can assembled permanent formwork and preparation method thereof
CN108532830B (en) * 2018-04-20 2020-08-07 青岛理工大学 Square-outside and round-inside spliced column and construction method thereof
CN108560825B (en) * 2018-04-20 2020-11-17 青岛理工大学 Circular hollow interlayer splicing column and construction method thereof
CN109779240B (en) * 2019-01-17 2021-05-14 东南大学 L-shaped closed permanent column template
CN110067383B (en) * 2019-04-19 2021-03-30 侯乾隆 Closely knit type composite form of construction beam column concrete placement
CN113898373B (en) * 2021-10-19 2023-10-13 辽宁工业大学 FRP-PVC film shell internally filled with self-compaction gangue concrete fireproof combined coal column and reinforcing method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003543A (en) * 1975-07-14 1977-01-18 Harsco Corporation Column lift bracket
DE29803155U1 (en) * 1998-02-23 1998-04-23 Betonwerk Theodor Pieper GmbH & Co. KG, 57392 Schmallenberg Formwork aid
CN100506740C (en) * 2005-07-12 2009-07-01 大连理工大学 Non metal fiber woven net flock combined reinforced concrete base composite material
CN101665342B (en) * 2009-09-18 2012-01-18 徐世烺 High-tenacity crack-control impervious fiber concrete
CN101696599B (en) * 2009-10-22 2013-03-06 欧阳文皇 Method for building decorative column by adopting permanent embedded inner die
CN101793078A (en) * 2009-12-25 2010-08-04 廖玄戈 Combining plate of waterproof lock latch
CN201730325U (en) * 2010-05-05 2011-02-02 王连起 Formwork for concrete column

Also Published As

Publication number Publication date
CN102912975A (en) 2013-02-06

Similar Documents

Publication Publication Date Title
CN102912975B (en) A kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering
CN102777027B (en) A kind of mutual buckle type can assembled anti-cracking and seepage control permanent beam template
CN102828579B (en) A kind of keel imbedded and fastened can assembled anti-cracking and seepage control permanent column shuttering
CN103266760B (en) A kind of fiber knitted net refinforced cement based composites permanent beam template and preparation method thereof
CN104556881B (en) A kind of superhigh tenacity concrete and preparation method thereof
CN104030642B (en) A kind of fibrous concrete
CN104594210B (en) A kind of concrete prefabricated board and its preparation method and application
CN102828578B (en) A kind of bolt connecting type can assembled anti-cracking and seepage control permanent column shuttering
CN202017302U (en) Engineering fiber reinforced cementitious composites (ECC) connecting beam
CN102720351B (en) A kind of mutual buckle type can assembled anti-cracking and seepage control permanent formwork
CN103964795A (en) Reinforced cement based composite material with fiber woven mesh and preparation method of reinforced cement based composite material
CN105777020A (en) Iron tailing sand PVA fiber-reinforced-cement-based composite
CN107245947A (en) A kind of reinforced concrete structure containing early-strength ultra-high performance concrete
CN102808478B (en) A kind of bolt connecting type can assembled anti-cracking and seepage control permanent beam template
CN205591398U (en) FRP mesh grid - ECC strip reinforcing reinforced concrete shear wall
CN105859228B (en) A kind of composite strengthening alkali-activated slag mortar plate and preparation method thereof
CN202672091U (en) Bi-directional keel inlaid and fastened type permanent crack-proofing and seepage-proofing formwork capable of being assembled
CN103360005A (en) Sprayed concrete
CN105220819B (en) A kind of high strength light concrete prefabricated board
CN102720352B (en) Two-way keel embedded type assembled anti-cracking anti-seepage permanent formwork
CN102720158B (en) Unidirectional keel embedded assembled anti-cracking impermeable permanent formwork
CN206655345U (en) A kind of high ductility Combined concrete seismic structural wall, earthquake resistant wall
CN210797980U (en) Basalt fiber-doped recycled concrete wall
CN203008368U (en) Bolted dismountable permanent beam form
CN203393901U (en) Interlocked type permanent column template capable of being assembled

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160419

Address after: 213241, No. 108, Zhen Dong Avenue, Zhu Lin, Jintan, Jiangsu, Changzhou

Patentee after: Changzhou Gubang Composite Material Technology Co.,Ltd.

Patentee after: Zhejiang University

Address before: 213241, No. 108, Zhen Dong Avenue, Zhu Lin, Jintan, Jiangsu, Changzhou

Patentee before: Changzhou Gubang Composite Material Technology Co.,Ltd.

PP01 Preservation of patent right
PP01 Preservation of patent right

Effective date of registration: 20170523

Granted publication date: 20160427

PD01 Discharge of preservation of patent
PD01 Discharge of preservation of patent

Date of cancellation: 20200523

Granted publication date: 20160427

PP01 Preservation of patent right
PP01 Preservation of patent right

Effective date of registration: 20200526

Granted publication date: 20160427