CN204753950U - Compound building block of high performance - Google Patents
Compound building block of high performance Download PDFInfo
- Publication number
- CN204753950U CN204753950U CN201520221836.4U CN201520221836U CN204753950U CN 204753950 U CN204753950 U CN 204753950U CN 201520221836 U CN201520221836 U CN 201520221836U CN 204753950 U CN204753950 U CN 204753950U
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- Prior art keywords
- tenon
- composite block
- block body
- stiffening rib
- performance composite
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- 150000001875 compounds Chemical class 0.000 title abstract 3
- 239000002131 composite material Substances 0.000 claims abstract description 69
- 239000000945 filler Substances 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 16
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000004567 concrete Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 6
- 239000011381 foam concrete Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000002285 radioactive effect Effects 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 2
- 229920001567 vinyl ester resin Polymers 0.000 claims description 2
- 239000011449 brick Substances 0.000 abstract description 7
- 239000004575 stone Substances 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
- 239000004576 sand Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920006241 epoxy vinyl ester resin Polymers 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Floor Finish (AREA)
Abstract
The utility model discloses a compound building block of high performance includes: building block body, building block body adopts and makes through the fiber reinforcement composite plastic of pultrusion production, at least one cavity that is used for holding the filler has in the building block body, the at least one end of cavity forms and supplies the packing mouth that the filler got into. The utility model discloses a not only overall structure intensity is good for compound building block of high performance, the durability is strong, moreover compact structure, be convenient for build by laying bricks or stones.
Description
Technical field
The utility model belongs to civil engineering and energy-conserving and environment-protective technical field, relates to a kind of high-durability composite block adopting new material and novel structure form, is specially adapted to the masonry structure construction of special endurance quality demand.
Background technology
Masonry structure is a kind of ancient form of structure, and have long history and brilliant record, as the estimation Great Wall, showplace of China, The Zhaozhou Bridge etc., are masonry structure.It is simple that it has structure, constructs convenient, lower-cost advantage.But along with the development of World Economics since entering modern age, masonry structure due to himself intrinsic lateral force resistance poor, globality is poor, shortcoming easy to crack, just gradually forget by people.For improving the lateral force resistance ability of masonry structure, promote the globality of masonry structure, masonry structure has also developed reinforced concrete building block gradually, lightweight brick, the modified node method such as prefabricated brick wall.But the masonry structure after improving equally also exists endurance issues, and therefore causes a large amount of economic losses every year, even causes serious accident, causes personnel, property injures and deaths.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, an object of the present utility model is to propose the high-performance composite block that a kind of overall construction intensity is good, durability is strong.
According to the high-performance composite block of the utility model embodiment, comprise: block body, described block body adopts the fibre-reinforced plastics produced by pultrude process to make, have at least one in described block body for holding the cavity of filler, at least one end of described cavity forms the filling mouth entered for described filler.
According to the high-performance composite block of the utility model embodiment, not only overall construction intensity is good, durability strong, and compact conformation, is convenient to build by laying bricks or stones.
Preferably, also comprise at least one stiffening rib, described stiffening rib is positioned at described cavity and described stiffening rib is connected on the front side board of described block body and back side panel so that described cavity is separated into multiple sub-chamber.
Preferably, also comprise multiple Tenon part, wherein, described block body outside has the outside Tenon interface opened wide side, described stiffening rib is formed with the inside Tenon interface that circumference is closed, all be positioned at described inner Tenon interface with the Tenon part of described inner Tenon Interference fit, be positioned at described outside Tenon interface with a part for the Tenon part of described outside Tenon Interference fit.
Preferably, the cross section of described inner Tenon interface is axisymmetric shape, and the shape of cross section of described outside Tenon interface is consistent with the shape of cross section being positioned at the side of the plane of symmetry of described inner Tenon interface.
Preferably, the shape of cross section of described inner Tenon interface is polygon or circle.
Preferably, the edge of described block body and the junction of described block body and described stiffening rib adopt round-corner transition.
Preferably, the described stiffening rib cell structure that is configured to unidirectional grid structure, two-way grille structure or is made up of concentric circles and radioactive ray.
Preferably, the glass fiber in described fibre-reinforced plastics comprises one-way glass fibrage and surperficial carpet veneer, and its surperficial carpet veneer can adopt carbon fiber surface felt or fiberglass surfacing mat.
Preferably, the glass fiber in described fibre-reinforced plastics is E type glass fiber, and the resin in described fibre-reinforced plastics is epoxy resin containing fire retardant or vinyl ester resins.
Preferably, described filler is cement-based material, and described cement-based material is ordinary concrete, foam concrete or fiber enhanced foam concrete.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of the block body according to the utility model embodiment.
Fig. 2 is the cross-sectional schematic arranging filler in the block body according to the utility model embodiment.
Fig. 3 is the cross-sectional schematic of the composite block according to the utility model embodiment.
Fig. 4 is the schematic diagram coordinated according to the same layer composite block of the utility model embodiment.
Fig. 5 is the schematic diagram of the Tenon part according to the utility model embodiment.
Reference numeral:
Composite block 100, filler 200,
Block body 10, cavity 11, sub-chamber 111, fills mouth 12, front side board 13, back side panel 14, left plate 15, right plate 16, outside Tenon interface 17,
Stiffening rib 20, front floor 21, rear floor 22, annular body 23, inner Tenon interface 24,
Tenon part 30,
Length direction A, width B.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The high-performance composite block 100 of the utility model embodiment is described below in conjunction with Fig. 1-5.
As shown in Figure 1, 2, high-performance composite block 100 according to the utility model embodiment comprises block body 10, block body 10 adopts the fibre-reinforced plastics (FRP produced by pultrude process, FiberReinforcedPlastics) make, have at least one in block body 10 for holding the cavity 11 of filler 200, at least one end of cavity 11 forms the filling mouth 12 entered for filler 200.
The block body 10 utilizing the fibre-reinforced plastics produced by pultrude process to make according to the high-performance composite block 100 of the utility model embodiment is as the outer support frame of composite block 100, the filler such as filling concrete or sandstone 200 in the cavity 11 of block body 10, thus avoid external substance to contact with inside stuffing 200, not only overall construction intensity is good, and composite block 100 has better durability.In addition, the lighter in weight of block body 10, is convenient to install, transport; And the heat insulation capacity of composite block 100 is better, be conducive to reducing building energy consumption.And block body adopts the fibre-reinforced plastics tool produced by pultrude process to have the following advantages: prefabrication, reliable in quality; Fiber content is high, and about 65%, the strength of materials is high; Reduce resin content simultaneously, cost-saving.
Wherein, in the concrete example shown in Fig. 1, the shape of block body 10 is cuboid substantially, and cavity 11 two ends along short transverse of through block body 10 can fill mouths 12 to make the two ends of composite block 100 form two, and the shape of cavity 11 can be arranged as required.
In a preferred embodiment, as shown in Figure 1, high-performance composite block 100 also comprises at least one stiffening rib 20, and stiffening rib 20 is positioned at cavity 11 and stiffening rib 20 is connected on the front side board 13 of block body 10 and back side panel 14 so that cavity 11 is separated into multiple sub-chamber 111.Particularly, the front side board 13 of block body 10 and back side panel 14 are the plate of A extension along its length, stiffening rib 20 is tabular, the top of stiffening rib 20 is mutually concordant with the top of block body 10, the bottom of stiffening rib 20 is mutually concordant with the bottom of block body 10, the front end of stiffening rib 20 is connected with the front side board 13 of block body 10, and the rear end of stiffening rib 20 is connected with the back side panel 14 of block body 10.Thus, stiffening rib 20 not only increases the overall construction intensity of high-performance composite block 100, and high-performance composite block 100 is straggly build by laying bricks or stones time, the stiffening rib 20 of lower floor's composite block 100 and the stiffening rib 20 of upper strata composite block 100 or left plate 15 or right plate 16 corresponding to play good supporting role to upper strata composite block 100, prevent the middle part of composite block 100 from subsiding under pressure, enhance the structural strength of composite block 100.
Wherein, straggly when building by laying bricks or stones, further, the side plate of adjacent two composite block 100 junctions on upper strata and the stiffening rib 20 of composite block 100 inside of lower floor coincide to avoid the block body 10 of upper strata composite block 100 to can not get stable support.Such as, upper strata composite block 100 and lower floor's composite block 100 usually along its length A stagger 1/2 long or 1/3 long, therefore the position of stiffening rib 20 in block body 10 can be 1/2 or 1/3 place of the length of block body 10.One of ordinary skill in the art will appreciate that, the position of stiffening rib 20 in block body 10 can also be 1/4 length etc.
It should be noted that, multiple sub-chamber 111 refers to the chamber that stiffening rib 20 limits together with the side plate of block body 10, and the chamber of stiffening rib 20 inside does not belong to sub-chamber 111.
As shown in Fig. 3,5, high-performance composite block 100 also comprises multiple Tenon part 30, wherein, block body 10 outside has the outside Tenon interface 17 that side is opened wide, stiffening rib 20 is formed with the inside Tenon interface 24 that circumference is closed, the Tenon part 30 coordinated with inner Tenon interface 24 is all positioned at inner Tenon interface 24, and a part for the Tenon part 30 coordinated with outside Tenon interface 17 is positioned at outside Tenon interface 17.
Specifically, on the left plate 15 that outside Tenon interface 17 is positioned at block body 10 and right plate 16, the middle part of left plate 15 and right plate 16 caves inward and forms outside Tenon interface 17, and outside Tenon interface 17 extends along short transverse and passes the two ends of composite block 100 body.The symmetrical configuration that the structure that left plate 15 and outside Tenon interface 17 are formed and right plate 16 and outside Tenon interface 17 are formed distributes.
Composition graphs 1 is seen, stiffening rib 20 comprise annular body 23 and be connected to annular body 23 front end front floor 21 and be connected to the rear floor 22 of rear end of annular body 23, the endoporus of annular body 23 is inner Tenon interface 24, front floor 21 and rear floor 22 in the width direction B extend, and the two ends of inner Tenon interface 24 and front floor 21, rear floor 22 are mutually concordant.Inner Tenon interface 24 and outside Tenon interface 17 are equipped with the Tenon part 30 matched with it, inner Tenon part 30 can in be enclosed within inner Tenon interface 24, a part for outside Tenon part 30 inserts outside Tenon interface 17, and an other part for outside Tenon part 30 is for connecting the outside Tenon interface 17 of adjacent composite block 100.
Like this, the Tenon part 30 being positioned at composite block 100 outside can connect two adjacent composite blocks 100, makes adjacent composite block 100 fit tightly and maintain static in the horizontal direction, thus enhances the reliability connected between composite block 100; And the Tenon part 30 being positioned at block body 10 inside not only increases the intensity of composite block 100 inside, and increase the contact area of upper and lower two-layer composite block 100, make composite block 100 inside have better support strength.
Advantageously, as shown in Figure 2, the cross section of inner Tenon interface 24 is axisymmetric shape, and the shape of cross section of outside Tenon interface 17 is consistent with the shape of cross section being positioned at the side of the plane of symmetry of inner Tenon interface 24.Correspondingly, inner Tenon interface 24 forms one with stiffening rib 20 and strengthens structure, and this reinforcement structure is axisymmetric shape, and the shape of cross section of its plane of symmetry side is consistent with the shape of cross section of the structure that left plate 15 and outside Tenon interface 17 are formed.Thus, the abundant laminating of upper strata block body 10 and lower floor's block body 10 is not only conducive to; And the Tenon part 30 only need producing a kind of specification just can realize it with inner Tenon interface 24 with the coordinating of outside Tenon interface 17, and has better versatility.
In a preferred embodiment, the shape of cross section of inner Tenon interface 24 is polygon or circle.Particularly, as shown in Figure 2, the cross section of inner Tenon interface 24 is hexagon substantially, and outside Tenon interface 17 be that cardinal principle is trapezoidal, and correspondingly, the top and bottom of Tenon part 30 have local dent and lock block body 10 with A along its length.Thus, inner Tenon interface 24 is convenient to produce and install.
One of ordinary skill in the art will appreciate that, the shape of inner Tenon interface 24 can be the similar butterfly junction configuration shown in Fig. 1, also can be other arbitrary shape that can realize locking between two adjacent block body 10.
Advantageously, the edge of block body 10 and the junction of block body 10 and stiffening rib 20 adopt round-corner transition.Particularly, the junction of the adjacent side plates of block body 10, block body 10 all adopt round-corner transition with the junction of stiffening rib 20, the edge of stiffening rib 20 etc.Like this, the stress avoiding composite block 100 is concentrated.
Specifically, stiffening rib 20 cell structure that can be configured to unidirectional grid structure, two-way grille structure or be made up of concentric circles and radioactive ray.Wherein, unidirectional grid inside configuration grid is limited by multiple bar shaped gusset be arranged in parallel; The grid of two-way grille inside configuration is limited by multiple horizontal bar shaped gusset of be arrangeding in parallel and longitudinal bar shaped gusset crossing with horizontal bar shaped gusset; The grid of the cell structure be made up of concentric circles and radioactive ray limits by concentric circles and along the radially-arranged radioactive ray of concentric circles.Thus, stiffening rib 20 has better structural strength.
In certain embodiments, the glass fiber in fibre-reinforced plastics is E type glass fiber, and the resin in fibre-reinforced plastics is epoxy resin or vinyl ester resins.Like this, adopt E type glass fiber to make block body 10 have higher durability, adopt epoxy resin or vinyl ester resins to make block body 10 have higher corrosion resistance and durability.Selectively, the resin in fibre-reinforced plastics has fire retardant.So, block body 10 has better anti-flammability.
In a preferred embodiment, the glass fiber in fibre-reinforced plastics comprises one-way glass fibrage and surperficial carpet veneer.Further, surperficial carpet veneer is carbon fiber surface felt, effectively can prevent block body 10 from producing electrostatic, have better safety, is convenient to produce and construction.
Selectively, filler 200 is cement-based material, sand or stone or the combination for two or more material in cement-based material, sand, stone.Particularly, when having inconvenient traffic and environment for use rugged environment or area (island as far away in offshore, islands and reefs) go up this high-performance composite block 100 of use, filler 200 directly can adopt the sand on seashore, makes rational use of resources, constructability.
In a preferred embodiment, filler 200 is ordinary concrete, foam concrete or fiber enhanced foam concrete.Adopt concrete to make to be connected between filler 200 with composite block 100 closely, further enhancing the overall construction intensity of composite block 100.
Practice of construction comprises the steps:
First, according to the Cross section Design drawing of composite block 100, adopt pultrude process to produce required composite block 100 body and mortise-tenon joint part.
Secondly, formula lining methods straggly is adopted to build FRP section bar by laying bricks or stones.Particularly, as shown in Figure 4, in the outside Tenon interface 17 Tenon part 30 being inserted respectively adjacent composite block 100 and in the inside Tenon interface 24 of each composite block 100, so that the composite block 100 of same layer is fixedly connected with; Upper strata composite block 100 is placed above lower floor's composite block 100, the connected mode of upper strata composite block 100 inside is consistent with lower floor composite block 100, upper strata composite block 100 along its length A and below composite block 100 staggers, the side plate of the junction of two adjacent composite blocks 100 on upper strata is corresponding with the stiffening rib 20 of lower floor composite block 100, the outside Tenon interface 17 of two adjacent composite blocks 100 on upper strata is relative with the inside Sun Mei interface of the composite block 100 of lower floor, and the Tenon part 30 on upper strata is relative with the Tenon part 30 of lower floor.
Finally, the cavity 11 to each composite block 100 inside adds filler 200, and vibration compacting.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the instruction such as term " length ", " width " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this manual, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this manual or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. a high-performance composite block, it is characterized in that, comprise: block body, described block body adopts the fibre-reinforced plastics produced by pultrude process to make, have at least one in described block body for holding the cavity of filler, at least one end of described cavity forms the filling mouth entered for described filler.
2. high-performance composite block according to claim 1, it is characterized in that, also comprise at least one stiffening rib, described stiffening rib is positioned at described cavity and described stiffening rib is connected on the front side board of described block body and back side panel so that described cavity is separated into multiple sub-chamber.
3. high-performance composite block according to claim 2, it is characterized in that, also comprise multiple Tenon part, wherein, described block body outside has the outside Tenon interface opened wide side, described stiffening rib is formed with the inside Tenon interface that circumference is closed, is all positioned at described inner Tenon interface with the Tenon part of described inner Tenon Interference fit, is positioned at described outside Tenon interface with a part for the Tenon part of described outside Tenon Interference fit.
4. high-performance composite block according to claim 3, it is characterized in that, the cross section of described inner Tenon interface is axisymmetric shape, and the shape of cross section of described outside Tenon interface is consistent with the shape of cross section being positioned at the side of the plane of symmetry of described inner Tenon interface.
5. high-performance composite block according to claim 4, is characterized in that, the shape of cross section of described inner Tenon interface is polygon or circle.
6. high-performance composite block according to claim 2, is characterized in that, the edge of described block body and the junction of described block body and described stiffening rib adopt round-corner transition.
7. high-performance composite block according to claim 2, is characterized in that, the cell structure that described stiffening rib is configured to unidirectional grid structure, two-way grille structure or is made up of concentric circles and radioactive ray.
8. high-performance composite block according to claim 1, is characterized in that, the glass fiber in described fibre-reinforced plastics comprises one-way glass fibrage and surperficial carpet veneer, and its surperficial carpet veneer can adopt carbon fiber surface felt or fiberglass surfacing mat.
9. high-performance composite block according to claim 1, is characterized in that, the glass fiber in described fibre-reinforced plastics is E type glass fiber, and the resin in described fibre-reinforced plastics is epoxy resin containing fire retardant or vinyl ester resins.
10. high-performance composite block according to claim 1, is characterized in that, described filler is cement-based material, and described cement-based material is ordinary concrete, foam concrete or fiber enhanced foam concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221836.4U CN204753950U (en) | 2015-04-14 | 2015-04-14 | Compound building block of high performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221836.4U CN204753950U (en) | 2015-04-14 | 2015-04-14 | Compound building block of high performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204753950U true CN204753950U (en) | 2015-11-11 |
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ID=54468673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520221836.4U Withdrawn - After Issue CN204753950U (en) | 2015-04-14 | 2015-04-14 | Compound building block of high performance |
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| Country | Link |
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| CN (1) | CN204753950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805949A (en) * | 2015-04-14 | 2015-07-29 | 清华大学 | High-performance composite building block |
-
2015
- 2015-04-14 CN CN201520221836.4U patent/CN204753950U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805949A (en) * | 2015-04-14 | 2015-07-29 | 清华大学 | High-performance composite building block |
| CN104805949B (en) * | 2015-04-14 | 2017-06-23 | 清华大学 | A kind of high-performance composite block |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151111 Effective date of abandoning: 20170623 |
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| AV01 | Patent right actively abandoned |