CN109779156A - It is a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar - Google Patents
It is a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar Download PDFInfo
- Publication number
- CN109779156A CN109779156A CN201910175695.XA CN201910175695A CN109779156A CN 109779156 A CN109779156 A CN 109779156A CN 201910175695 A CN201910175695 A CN 201910175695A CN 109779156 A CN109779156 A CN 109779156A
- Authority
- CN
- China
- Prior art keywords
- cushion block
- reinforcing bar
- combined pad
- arc groove
- rectangle
- 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.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 54
- 230000002787 reinforcement Effects 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010410 layer Substances 0.000 claims abstract description 24
- 239000011241 protective layer Substances 0.000 claims abstract description 20
- 239000002356 single layer Substances 0.000 claims abstract description 9
- 239000002365 multiple layer Substances 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000004567 concrete Substances 0.000 abstract description 26
- 239000011150 reinforced concrete Substances 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar; when control protective layer thickness from mono-layer level to reinforcing bar and fixed steel bars position when; the combined pad includes pedestal cushion block A and U-shaped bolt C2; when the position of the protective layer thickness and fixed steel bars that control multiple-layer horizontal arrangement reinforcing bar, the combined pad includes pedestal cushion block A, standard cushion block B, rectangle bolt C1 and U-shaped bolt C2.Combined pad of the invention; structure is simple, easy to make, quick for installation; connection is reliable and fixed steel bars stability is good; can effective controlled level to the clear distance between the protective layer thickness and neighbouring two layers of reinforcing bar of reinforcing bar; to promote the pouring quality of concrete; the crack for reducing concrete component generates, and substantially improves the durability of reinforced concrete member, improves the service life of reinforced concrete structure.
Description
Technical field
The present invention relates to a kind of combined pads, in particular to a kind of for controlling cover to reinforcement and upper and lower level distance of reinforcing bar
Combined pad.
Background technique
Reinforced concrete structure gradually exposes as current main structure type, the problem of durability deficiency
Come.Just there is the serious shadow such as steel bar corrosion, concrete scaling being far from reaching design life in a large amount of concrete structures
The problem of ringing concrete structure durability.A large amount of engineering practices show that the reason of causing above-mentioned influence concrete durability is main
It is caused by and dispersion degree less than normal by thickness of protection tier is bigger than normal.Secondly, some concrete components carry it is larger when, by
In configuring greater number of reinforcing bar, for the clear distance for guaranteeing the adjacent reinforcing bar of horizontal direction, it is necessary to by reinforcing bar be divided into upper layer and lower layer or
Three layers are arranged, if the clear distance of the adjacent reinforcing bar of upper layer and lower layer can not meet code requirement, just directly influence concrete
Quality causes concrete component load-bearing power insufficient and crack occurs, concrete component durability is promoted to further decrease.
In order to improve the durability of concrete, some patents change the cushion block of concrete bar protective layer in concrete component
Into.Such as the patent disclosure of application number 201721814408.8, notification number CN207919907U " horizontal reinforcement protective layer pad
Block ".The patent serious destroyed or while damage, plays branch to the reinforcing bar of horizontal direction considering not generating its building body
Support and the requirement for guaranteeing thickness of protection tier.But it does not account in the more layered arrangement of number of steel bars, neighbouring two
How the clear distance of layer reinforcing bar guarantees.
Concrete component configuration level number of steel bars is more need layered arrangement when, it is necessary to should guarantee outermost layer steel
While the protective layer thickness of muscle, the clear distance for guaranteeing neighbouring two layers of reinforcing bar is also needed, thus in the matter for improving concrete component
Amount while the durability for improving reinforced concrete member.
Summary of the invention
In order to improve the pouring quality of concrete, prevents reinforcing bar from corroding, improve the endurance quality etc. of concrete component
Problem, the invention proposes a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar, the combined pad
It is designed by reasonable structure, can be achieved with guaranteeing most plus auxiliary bolt using a pedestal cushion block and several standard cushion blocks
It can control the clear distance between neighbouring reinforcing bar while outer reinforcement protective layer thickness.The combined pad is easy to assembly, can
Strong operability is particularly suitable for that horizontal reinforcement quantity is more in reinforced concrete member and the case where needing multi-tier arrangement.
Technical scheme is as follows:
It is a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar, when control mono-layer level is to reinforcing bar
Protective layer thickness and fixed steel bars position when, the combined pad includes pedestal cushion block A and U-shaped bolt C2, more when controlling
When the position of the protective layer thickness of the horizontally disposed reinforcing bar of layer and fixed steel bars, the combined pad includes pedestal cushion block A, standard pad
Block B, rectangle bolt C1 and U-shaped bolt C2；The pedestal cushion block A is totally in rectangle, and in addition to the two sides of front and back, remaining is all provided on four sides
There is arc groove, wherein the two sides of top arc groove are equipped with rectangular recess；The standard cushion block B is totally in rectangle, removes front and back
Except two sides, remaining is equipped with arc groove on four sides, wherein the two sides of top and bottom arc groove are equipped with rectangular recess.
Further, the rectangular recess is provided with 4, each in the two sides of top arc groove, bottom arc groove
Arrangement 2,4 rectangular recess are symmetrical.
Further, the radian of the arc groove on the left and right side of the pedestal cushion block A and standard cushion block B is less than
The top of pedestal cushion block A and standard cushion block B, arc groove in bottom sides radian.
Further, the rectangle bolt C1 is the strip structure of rectangle, and the rectangle for being inserted into upper and lower cushion block is recessed
In slot, for the combination and fixation between upper lower cushion block.
Further, the U-shaped bolt C2 is inverted U-shaped, and both ends are inserted into top layer's pad across arc groove
Fixation in the rectangular recess of block, for top layer's reinforcing bar.
Further, when control protective layer thickness from mono-layer level to reinforcing bar and fixed steel bars position when, the U-shaped
In rectangular recess at the top of bolt C2 inserted base cushion block A, what steel-bar arrangement was formed between U-shaped bolt C2 and pedestal cushion block A
In space, when the position of the protective layer thickness and fixed steel bars that control multiple-layer horizontal arrangement reinforcing bar, upper and lower level reinforcing bar uses one
A pedestal cushion block A and several standard cushion blocks B are combined, and it is recessed that the rectangle bolt C1 is inserted into the opposite rectangle of adjacent pod
In slot, in the space that steel-bar arrangement is formed between rectangle bolt C1 and adjacent pod, U-shaped bolt C2 insertion top layer mark
In rectangular recess at the top of quasi- cushion block B, in the space that steel-bar arrangement is formed between U-shaped bolt C2 and standard cushion block B.
Beneficial effects of the present invention are as follows:
Cushion block of the present invention it is structurally reasonable, it is easy to make, can according in practical reinforced bar engineering different situations carry out free group
It closes, realizes the fixation of single layer reinforcing bar and the control and multistory reinforced fixation, outer reinforcement protective layer of thickness of protection tier
Clear distance between the control of thickness and neighbouring two layers of reinforcing bar.The assembling of this combined pad is efficient and convenient, effective solution steel
The position of muscle fix and the control of thickness of protection tier and it is multistory reinforced between clear distance guarantee, to guarantee armored concrete
Pouring quality prevents the appearance of concrete structure member crevices, substantially improves the durability of concrete, therefore have significant work
Journey application value and society and economic benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of standard cushion block B；Wherein, Fig. 1 (a) is the plan view of standard cushion block B；Fig. 1 (b) is mark
The sectional view of quasi- cushion block B；Fig. 1 (c) is the perspective view of standard cushion block B；
Fig. 2 is the structural schematic diagram of pedestal cushion block A；Wherein, Fig. 2 (a) is the plan view of pedestal cushion block A；Fig. 2 (b) is bottom
The sectional view of seat cushion block A；Fig. 2 (c) is the perspective view of pedestal cushion block A；
Fig. 3 is the structural schematic diagram of rectangle bolt C1；
Fig. 4 is the structural schematic diagram of U-shaped bolt C2；
Fig. 5 is single layer steel bar spacer combination diagram；
Fig. 6 is multistory reinforced cushion block combination diagram.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
The present invention is designed according to reasonable structure snd size, be can be convenient and is solved horizontal direction steel in reinforced concrete member
Net Distance Issue of the muscle in the more situation of quantity between the protective layer thickness of reinforcing bar and neighbouring layer reinforcing bar.Pad of the present invention
Block combination includes three parts: pedestal cushion block A, standard cushion block B and auxiliary bolt C1 and C2.
For pedestal cushion block A in addition to the two sides of front and back, remaining is equipped with arc groove on four sides, wherein except top circular groove is used for
Except fixed steel bars, remaining circular groove is used to enhance the cohesive force between cushion block and periphery concrete (shown in Fig. 1)；Standard pad
For block B in addition to the two sides of front and back, remaining is equipped with arc groove on four sides, wherein except top and bottom circular groove is used for fixed steel bars
Except, remaining side circular groove is used to enhance the cohesive force between cushion block and periphery concrete (shown in Fig. 2).
When reinforced concrete member horizontal steel bar single layer arrangement, group is carried out using pedestal cushion block A and U-shaped bolt C2
It closes, so that it may realize fixed horizontal steel bar and control the protective layer thickness of reinforcing bar (shown in Fig. 5)；When reinforced concrete member level
It is more to number of steel bars, to meet the clear distance between the adjacent reinforcing bar of same layer, and occur it is multistory reinforced up and down be simutaneously arranged, to guarantee
Clear distance between outermost layer thickness of protection tier and neighbouring two layers of reinforcing bar using pedestal cushion block A, standard cushion block B and is used for
Bolt U1, U2 of fixed cushion block and reinforcing bar are combined (shown in Fig. 6).
Cushion block combination of the invention includes three parts: pedestal cushion block A, standard cushion block B and auxiliary bolt C1 and C2, the group
Cushion block size and structurally reasonable is closed, it is (shown in FIG. 1 to FIG. 4) easy to assembly.
As shown in Figure 1, pedestal cushion block A is mainly used for controlling outer reinforcement protective layer thickness, wherein pedestal cushion block removes front and back
Except two sides, remaining is equipped with arc groove on four sides, wherein remaining circle is recessed in addition to top circular groove is for fixed steel bars
Slot is used to enhance the cohesive force between cushion block and periphery concrete；Bottom surface to the distance between top arc bottom portion of groove have 30mm and
Two kinds of 20mm optional, is respectively used to the fixation in beam with reinforcing bar in plate (see shown in Fig. 1 (b))；Top surface is set there are four rectangular recess,
It is used for fixed steel bars or combined with standard cushion block.
As shown in Fig. 2, standard cushion block B is mainly used for controlling the clear distance between multistory reinforced, wherein standard cushion block removes front and back
Except two sides, remaining is equipped with arc groove on four sides, wherein in addition to top and bottom circular groove is for fixed steel bars, remaining
Side circular groove is used to enhance the cohesive force between cushion block and periphery concrete；At the top of the circular groove of standard cushion block bottom surface extremely
Distance between the circular groove bottom of top surface is 30mm (see shown in Fig. 2 (b))；Bottom surface and top surface are set there are four rectangular recess, are used for
Fixed steel bars or combine with other cushion blocks are used.
As shown in figure 3, rectangle bolt C1 is for the combination and fixation between upper lower cushion block；As shown in figure 4, U-shaped bolt C2
Fixation for top layer's reinforcing bar.
The step of assembling of combined pad and method are as follows:
1, for there was only the horizontal steel bar of single layer, each vertical equity reinforcing bar utilizes a bottom cushion block A and two U
Type bolt controls the position (as shown in Figure 5) of thickness of protection tier and fixed steel bars；
2, for there is the horizontal reinforcement of multi-tier arrangement, upper and lower level reinforcing bar carries out group using a bottom cushion block and standard cushion block
It closes (number of standard cushion block is depending on the number of plies of reinforcing bar), using four rectangle bolts by being inserted into up and down between adjacent pod
Assembling and fixing between cushion block is realized in the rectangular recess of two faces of adjacent pod setting, and most upper one layer of reinforcing bar passes through two U
Type bolt is inserted into the fixation (as shown in Figure 6) that reinforcing bar is realized in the rectangular recess of cushion block top surface.
In conclusion combined pad of the invention, structure is simple, easy to make, quick for installation, connects reliable and fixed steel
Muscle stability is good, can effective controlled level to the clear distance between the protective layer thickness and neighbouring two layers of reinforcing bar of reinforcing bar,
To promote the pouring quality of concrete, the crack for reducing concrete component is generated, and substantially improves the resistance to of reinforced concrete member
Long property, improves the service life of reinforced concrete structure.Therefore, there is this combined pad the application of Practical Project to be worth,
And there is significant social and economic benefit.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.It is all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar, it is characterised in that: when control single layer
When the position of the protective layer thickness of horizontal steel bar and fixed steel bars, the combined pad includes pedestal cushion block A and U-shaped bolt
C2, when the position of the protective layer thickness and fixed steel bars that control multiple-layer horizontal arrangement reinforcing bar, the combined pad includes pedestal
Cushion block A, standard cushion block B, rectangle bolt C1 and U-shaped bolt C2；The pedestal cushion block A is totally in rectangle, in addition to the two sides of front and back,
Remaining is equipped with arc groove on four sides, and wherein the two sides of top arc groove are equipped with rectangular recess；The standard cushion block B is totally in
Rectangle, in addition to the two sides of front and back, remaining is equipped with arc groove on four sides, wherein the two sides of top and bottom arc groove are equipped with
Rectangular recess.
2. it is according to claim 1 a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar,
Be characterized in that: the rectangular recess is provided with 4, respectively arranges 2 in the two sides of top arc groove, bottom arc groove, institute
It is symmetrical to state 4 rectangular recess.
3. it is according to claim 1 a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar,
Be characterized in that: the radian of the arc groove on the left and right side of the pedestal cushion block A and standard cushion block B be less than pedestal cushion block A and
The top of standard cushion block B, arc groove in bottom sides radian.
4. it is according to claim 1 a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar,
Be characterized in that: the rectangle bolt C1 is the strip structure of rectangle, is inserted into the rectangular recess of upper and lower cushion block, is used for
Combination and fixation between upper lower cushion block.
5. it is according to claim 1 a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar,
Be characterized in that: the U-shaped bolt C2 is inverted U-shaped, and both ends are recessed across the rectangle that arc groove is inserted into top layer's cushion block
Fixation in slot, for top layer's reinforcing bar.
6. it is according to claim 1 a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar,
Be characterized in that: when control protective layer thickness from mono-layer level to reinforcing bar and fixed steel bars position when, U-shaped bolt C2 insertion
In rectangular recess at the top of pedestal cushion block A, in the space that steel-bar arrangement is formed between U-shaped bolt C2 and pedestal cushion block A, work as control
When the position of the protective layer thickness of multiple-layer horizontal processed arrangement reinforcing bar and fixed steel bars, upper and lower level reinforcing bar uses a pedestal cushion block A
And several standard cushion blocks B is combined, the rectangle bolt C1 is inserted into the opposite rectangular recess of adjacent pod, and reinforcing bar is set
It is placed in the space formed between rectangle bolt C1 and adjacent pod, at the top of U-shaped bolt C2 insertion top layer's standard cushion block B
Rectangular recess in, in the space that steel-bar arrangement is formed between U-shaped bolt C2 and standard cushion block B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175695.XA CN109779156A (en) | 2019-03-08 | 2019-03-08 | It is a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175695.XA CN109779156A (en) | 2019-03-08 | 2019-03-08 | It is a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109779156A true CN109779156A (en) | 2019-05-21 |
Family
ID=66487556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910175695.XA Pending CN109779156A (en) | 2019-03-08 | 2019-03-08 | It is a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109779156A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020237600A1 (en) * | 2019-05-30 | 2020-12-03 | 李运中 | Combined binding-free high-strength durable concrete cushion block |
| CN114351946A (en) * | 2021-12-14 | 2022-04-15 | 中国一冶集团有限公司 | Controller for steel bar spacing and protective layer of multi-layer floor slab |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4102187A1 (en) * | 1991-01-25 | 1992-07-30 | Hong Joon Cho | Positioning and distance piece for steel reinforcement - is used in prodn. of reinforced concrete and is made of cast concrete |
| KR200210972Y1 (en) * | 2000-08-26 | 2001-01-15 | 김길자 | A support for reinforced concrete |
| KR200220578Y1 (en) * | 2000-11-10 | 2001-04-16 | 주식회사유탑엔지니어링건축사사무소 | Reinforcing bar blocks of reinforced concrete structures |
| CN2885973Y (en) * | 2006-04-07 | 2007-04-04 | 张金明 | Steel bar spacer |
| CN202706335U (en) * | 2012-07-21 | 2013-01-30 | 黄浩川 | Cushion block of concrete cover |
| KR20140009742A (en) * | 2012-07-12 | 2014-01-23 | 신상덕 | Insulation and fixing device of steel for fixed tracks |
| CN204662790U (en) * | 2015-05-21 | 2015-09-23 | 浙江宝业建设集团有限公司 | A kind of concrete block that simultaneously can control cast-in-place concrete board thickness and thickness of protection tier |
| TWM533101U (en) * | 2016-08-04 | 2016-12-01 | Reiju Construction Co Ltd | Supporting pad structure of rebar |
| CN206607755U (en) * | 2017-03-31 | 2017-11-03 | 安徽筑诚环保节能新型建材有限责任公司 | A kind of building precast cushion block |
| CN206722226U (en) * | 2017-03-17 | 2017-12-08 | 中铁上海设计院集团有限公司 | A kind of bivalve buckle-type concrete pulley cushion block for cover to reinforcement |
| CN207829307U (en) * | 2018-01-18 | 2018-09-07 | 江苏精享裕建工有限公司 | A kind of penetrative polymer mortar protective layer cushion block |
| CN209686719U (en) * | 2019-03-08 | 2019-11-26 | 常州工程职业技术学院 | It is a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar |
-
2019
- 2019-03-08 CN CN201910175695.XA patent/CN109779156A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4102187A1 (en) * | 1991-01-25 | 1992-07-30 | Hong Joon Cho | Positioning and distance piece for steel reinforcement - is used in prodn. of reinforced concrete and is made of cast concrete |
| KR200210972Y1 (en) * | 2000-08-26 | 2001-01-15 | 김길자 | A support for reinforced concrete |
| KR200220578Y1 (en) * | 2000-11-10 | 2001-04-16 | 주식회사유탑엔지니어링건축사사무소 | Reinforcing bar blocks of reinforced concrete structures |
| CN2885973Y (en) * | 2006-04-07 | 2007-04-04 | 张金明 | Steel bar spacer |
| KR20140009742A (en) * | 2012-07-12 | 2014-01-23 | 신상덕 | Insulation and fixing device of steel for fixed tracks |
| CN202706335U (en) * | 2012-07-21 | 2013-01-30 | 黄浩川 | Cushion block of concrete cover |
| CN204662790U (en) * | 2015-05-21 | 2015-09-23 | 浙江宝业建设集团有限公司 | A kind of concrete block that simultaneously can control cast-in-place concrete board thickness and thickness of protection tier |
| TWM533101U (en) * | 2016-08-04 | 2016-12-01 | Reiju Construction Co Ltd | Supporting pad structure of rebar |
| CN206722226U (en) * | 2017-03-17 | 2017-12-08 | 中铁上海设计院集团有限公司 | A kind of bivalve buckle-type concrete pulley cushion block for cover to reinforcement |
| CN206607755U (en) * | 2017-03-31 | 2017-11-03 | 安徽筑诚环保节能新型建材有限责任公司 | A kind of building precast cushion block |
| CN207829307U (en) * | 2018-01-18 | 2018-09-07 | 江苏精享裕建工有限公司 | A kind of penetrative polymer mortar protective layer cushion block |
| CN209686719U (en) * | 2019-03-08 | 2019-11-26 | 常州工程职业技术学院 | It is a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020237600A1 (en) * | 2019-05-30 | 2020-12-03 | 李运中 | Combined binding-free high-strength durable concrete cushion block |
| CN114351946A (en) * | 2021-12-14 | 2022-04-15 | 中国一冶集团有限公司 | Controller for steel bar spacing and protective layer of multi-layer floor slab |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109779156A (en) | It is a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar | |
| CN209686719U (en) | It is a kind of for controlling the combined pad of cover to reinforcement and upper and lower level distance of reinforcing bar | |
| CN208733830U (en) | It is a kind of just to connect suspension column anti-seismic construction for what single-beam lifted small steel column | |
| KR101892452B1 (en) | Manufacturimg method for floor module of container | |
| KR100365698B1 (en) | A elastomeric bearing which is connected movement restriction device by plate spring | |
| GB2359319A (en) | A frame for a manhole cover | |
| CN109572931A (en) | A kind of Type B LNG ship containment system | |
| CN210716905U (en) | Impact-resistant wear-resistant lining plate | |
| CN106436553A (en) | Bridge and shear resistant combined structure thereof | |
| CN102587573A (en) | Composite beam | |
| CN209742233U (en) | Steel bar protective layer combined cushion block connected through mortise and tenon structure | |
| KR102132338B1 (en) | Steel Composite PSC Girder Including Arched Reinforcement | |
| CN210597873U (en) | Improved steel structure supporting beam | |
| CN209760603U (en) | super high-rise building structure with strong outer frame | |
| KR100393418B1 (en) | Bridge elasticity supporter with earthquake-resistant and constructing method of the same | |
| KR101247322B1 (en) | Shearing force supplement structure of building construction using rebar | |
| JP2010059715A (en) | Autoclaved lightweight concrete panel | |
| CN220335944U (en) | Step-type bearing platform and reinforcing device thereof | |
| JP2004353177A (en) | Finger type expansion device | |
| CN207933834U (en) | A kind of jointing apparatus of concrete road surface | |
| CN212248911U (en) | Steel bar protective layer cushion block | |
| CN213354496U (en) | Oil cylinder damping device of electro-hydraulic switch machine | |
| CN216275227U (en) | Combined bridge deck structure | |
| CN214939270U (en) | Steel ingot milling type steel fiber concrete combined bridge deck connecting structure | |
| JPH06272217A (en) | Support for bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |