CN107165411A - A kind of Constructional Col-umn Construction technique - Google Patents
A kind of Constructional Col-umn Construction technique Download PDFInfo
- Publication number
- CN107165411A CN107165411A CN201710368389.9A CN201710368389A CN107165411A CN 107165411 A CN107165411 A CN 107165411A CN 201710368389 A CN201710368389 A CN 201710368389A CN 107165411 A CN107165411 A CN 107165411A
- Authority
- CN
- China
- Prior art keywords
- constructional
- discharge duct
- constructional column
- construction technique
- concrete
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of Constructional Col-umn Construction technique, including step：Step 1) concreting hole is reserved on the corresponding collar tie beam of constructional column in pre- pour；Step 2) constructional column reinforcing bar colligation；Step 3) construction column template is set；The junction of masonry and constructional column is built into horse tooth trough；Step 4) constructional column casting concrete, in agent structure pouring construction, inserts on the outside of a discharge duct, the discharge duct in concreting hole and brushes interleaving agent.Constructional column casting concrete, in agent structure pouring construction, a discharge duct is inserted in concreting hole, interleaving agent is brushed on the outside of the discharge duct, by inserting a discharge duct in concreting hole, the gas in mixed mud on the one hand can be effectively excluded, drainage on the other hand can be played a part of by discharge duct, because mixed mud has polymerization, by drainage mixed mud can be made to flow in each horse tooth trough recess.
Description
Technical field
The present invention relates to a kind of building engineering field, and in particular to a kind of Constructional Col-umn Construction technique.
Background technology
Conventional configurations post working measure is to set dustpan mouthful casting concrete in constructional column topmast, because concrete shrinks in itself
Characteristic, can not be poured with beam bottom at the top of constructional column closely knit；Simultaneously because the construction of conventional configurations post can not be to constructional column coagulation
Soil is fully vibrated, and constructional column tends to occur the common quality defects such as dew muscle, honeycomb, hole.
The content of the invention
The purpose of the present invention is to be to overcome prior art not enough, it is therefore intended that provide a kind of Constructional Col-umn Construction technique, solution
Certainly existing Constructional Col-umn Construction, the problem of constructional column tends to occur the common quality defects such as dew muscle, honeycomb, hole.
The present invention is achieved through the following technical solutions：
A kind of Constructional Col-umn Construction technique, including step：
Step 1) concreting hole is reserved on the corresponding collar tie beam of constructional column in pre- pour；
Step 2) constructional column reinforcing bar colligation；
Step 3) construction column template is set；The junction of masonry and constructional column is built into horse tooth trough；
Step 4) constructional column casting concrete, in agent structure pouring construction, a row is inserted in concreting hole
Interleaving agent is brushed on the outside of feed channel, the discharge duct.
Further, the step 4), according to the strength grade of concrete of constructional column 1, from concreting hole 3 by coagulation
Soil is poured into, while fully vibrated with minor diameter vibrating spear, concreting to beam Xia Kou positions.
Further, the minor diameter vibrating spear, which is used, is less than or equal to a diameter of 30mm vibrating spears.
Further, in addition to step 5), using than former collar tie beam 2 design the high grade of concrete pea gravel concreten or filling
The solidifying native pouring hole 3 of filled therewith.
Further, the discharge duct 7 can be made of pvc pipe, the bottom sealing of the discharge duct 7, duct wall
Upper entanglement is provided with multiple passages 8.
Further, the passage 8 is provided with screen pack 9.
Further, the external diameter of discharge duct 7 is more than or equal to 40mm.
Further, the step 3), the height of each horse tooth trough 6 is 200mm-300mm, and the recessed depth of horse tooth trough 6 exists
50-60mm, each horse tooth trough does fillet or chamfered.
The present invention compared with prior art, has the following advantages and advantages：
1st, a kind of Constructional Col-umn Construction technique of the invention, constructional column casting concrete, in agent structure pouring construction, mixed
Solidifying soil pouring hole inserts on the outside of a discharge duct, the discharge duct and brushes interleaving agent, by being inserted in concreting hole
A piece discharge duct, on the one hand can effectively exclude the gas in mixed mud, on the other hand can be played and drawn by discharge duct
The effect of stream, because mixed mud has polymerization, can be such that mixed mud flows in each horse tooth trough recess by drainage；
2nd, the junction of a kind of Constructional Col-umn Construction technique of the invention, masonry and constructional column is built into horse tooth trough, each horse tooth trough
Do fillet or chamfered.By setting horse tooth trough to effectively improve the bonding strength of constructional column and masonry, while can be with
The anti-seismic performance and support strength of constructional column are improved, each horse tooth trough does fillet or chamfered in addition, can be fully solved structure
Make post and occur the quality such as dew muscle, honeycomb, hole, mixed mud can be with smooth entrance horse tooth trough recess；
3rd, a kind of Constructional Col-umn Construction technique of the invention, constructional column concrete is connected closely knit free from flaw with agent structure, improves
The anti-seismic performance of filling wall, with good application value.Engineering method construction technology is simple and practical, with construction efficiency
Height, the features such as safety coefficient is high.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is a kind of pillar structure schematic diagram of Constructional Col-umn Construction technique cast of the invention；
Fig. 2 is exhaust pipe structure schematic diagram of the present invention；
Mark and corresponding parts title in accompanying drawing：
1- constructional columns, 2- collar tie beams, 3- concretings hole, 4- constructional column reinforcing bars, 5- masonries, 6- horse tooth troughs, 7- blast pipes
Road, 8- passages, 9- screen packs.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment
As shown in Figure 1-2, a kind of Constructional Col-umn Construction technique of the invention, it is main to use, reserved on beam concreting hole →
Pouring hole sealing is reserved on constructional column reinforcing bar colligation → constructional column formwork erection → constructional column casting concrete → beam.
Specifically include step：
Step 1) concreting hole 3 is reserved on the corresponding collar tie beam 2 of constructional column 1 in pre- pour.
Step 2) 4 colligation of constructional column reinforcing bar.
Step 3) construction column template is set；The junction of masonry 5 and constructional column 1 is built into horse tooth trough 6.Step 3), each horse
The height of tooth raft 6 is 200mm-300mm, and the recessed depth of horse tooth trough 6 is in 50-60mm, and each horse tooth trough does fillet or chamfered.
Step 4) 1 casting concrete of constructional column, in agent structure pouring construction, one is inserted in concreting hole 3
Brush interleaving agent in discharge duct 7, the outside of discharge duct 7.According to the strength grade of concrete of constructional column 1, poured from concrete
Hole (3) is built to pour into concrete, while fully vibrated with minor diameter vibrating spear, concreting to beam Xia Kou positions.
Step 5), solidifying soil is filled using pea gravel concreten or grouting material that the high grade of concrete is designed than former collar tie beam 2 and poured
Build hole (3).
Minor diameter vibrating spear, which is used, is less than or equal to a diameter of 30mm vibrating spears.The discharge duct 7 can use pvc pipe system
Into the bottom of the discharge duct 7 is sealed, and entanglement is provided with multiple passages 8 on duct wall, for being vented.Passage 8 is provided with
Screen pack 9 prevents mixed mud from entering in discharge duct 7.The external diameter of discharge duct 7 is more than or equal to 40mm.By in concreting
A discharge duct is inserted in hole, on the one hand can effectively exclude the gas in mixed mud, on the other hand can be with by discharge duct
Play a part of drainage, because mixed mud has polymerization, by drainage mixed mud can be made to flow to each horse tooth trough recess
It is interior,
(1) concreting hole is reserved on beam
In main structure construction, vertically inserted in beam and interleaving agent is brushed on the outside of a pvc pipe, pvc pipe, facilitate pvc pipe
Can smoothly it be taken out after beam concreting.PVC external diameter determines that minimum is not less than 40mm according to the spacing of beam steel.As schemed
2：
(2) constructional column casting concrete
After the completion of formwork erection, according to the strength grade of concrete of constructional column, concrete is poured into from beam is suitable for reading, while with
Minor diameter vibrating spear (using 30mm vibrating spears) is fully vibrated, concreting to beam Xia Kou positions.
(3) pouring hole sealing is reserved on beam
Using the pea gravel concreten or grouting material filling pouring hole that the high grade of concrete is designed than former beam.
A kind of Constructional Col-umn Construction technique of the present invention, constructional column casting concrete, in agent structure pouring construction, in coagulation
Native pouring hole inserts on the outside of a discharge duct, the discharge duct and brushes interleaving agent, by inserting one in concreting hole
Root discharge duct, on the one hand can effectively exclude the gas in mixed mud, on the other hand can play drainage by discharge duct
Effect because mixed mud has polymerization, by drainage mixed mud can be made to flow in each horse tooth trough recess；Masonry with
The junction of constructional column is built into horse tooth trough, and each horse tooth trough does fillet or chamfered.By setting horse tooth trough effectively to carry
The bonding strength of high constructional column and masonry, while the anti-seismic performance and support strength of constructional column can also be improved, each horse in addition
Tooth raft does fillet or chamfered, can be fully solved constructional column and occur the quality such as dew muscle, honeycomb, hole, mixed mud can be suitable
It is smooth to enter in horse tooth trough recess；Constructional column concrete is connected closely knit free from flaw with agent structure, improves the shock resistance of filling wall
Can, with good application value.Engineering method construction technology is simple and practical, high with construction efficiency, the spy such as safety coefficient height
Point.
The junction of masonry and constructional column should be built into horse tooth trough, and the height of each horse tooth trough is no more than 300mm, horse tooth trough
Recessed depth is preferably 50-60mm.Current masonry building block generally uses autoclaved aerated concrete blocks, and aerated concrete building block modulus is highly
250mm is high, just as a gingival cyst of mucous gland in the newborn.When building by laying bricks or stones first piece of brick should be recessed, and meaning stings pin, then in order with entering with moving back block
Build horse tooth trough (if bottom uses sand-lime brick masonry, also should be regarded as that a horse tooth trough is recessed to sting pin).No matter the recessed protrusion of horse tooth trough,
It will be hung vertically with line pendant simultaneously, horse tooth trough masonry interface should put full sized brick face, and building block cut surface should be placed on inboard, it is ensured that horse tooth trough
It is attractive in appearance.Constructional column reinforcement installation and masonry tension rib are pre-buried：The sectional dimension and arrangement of reinforcement of constructional column should meet design requirement.When setting
When counting no requirement (NR), construction column section minimum widith cannot be less than 200mm, and the same wall thickness of thickness, longitudinal reinforcement is no less than 4 Φ 10,
Stirrup can use the@200 of Ф 6.It should be anchored into beams of concrete or plate at the top and bottom of longitudinal reinforcement.Should accurately it be surveyed when pouring main body concrete
Measure constructional column and indulge muscle position, it is ensured that joint bar position is accurate.To ensure that reinforcement location is accurate, the pre-buried construction of rear bar planting method can be used
Post indulges muscle.According to the construction of rear bar planting method, drilling depth 60mm first blows off dust in hole with blowing cylinder before bar planting, then fills knot
Structure glue or epoxy resin liquid, are replanted into reinforcing bar.Steel tie should be set between masonry and concrete-constituted pile.Steel tie should
Along overall height setting is built by laying bricks or stones, tension rib interval is not to be exceeded 600mm and sets the tension ribs of 2 Ф 6.The tension rib of autoclaved aerated concrete masonry is buried
Enter depth preferably 700mm, and tension rib end should add hook, the masonry thickness of mortarat bed joint for placing steel tie should be than drawknot steel
The big 4mm of muscle diameter.
Constructional column model sheetinstallat and concrete placings：To have certain operating space when ensureing and pouring constructional column concrete, it is easy to
Small vibrating rod is inserted, and the Screw arbor with nut at both-ends of construction column template is preferably arranged on the masonry of constructional column both sides, should not be arranged at construction
In post.If Screw arbor with nut at both-ends is arranged in constructional column, the insertion of vibrating head can be hindered.Model sheetinstallat can divide three kinds of modes to carry out：①
Deck-molding >=800mm at the top of constructional column, template can be sealed completely, and the side template of end one dresses up horn charging aperture, and charging aperture should compare
Constructional column is higher by 100mm, charging aperture also should be completely poured when pouring post concrete, beat prominent concrete after form removal and chisel out.Such energy
Ensure there is no space between concrete and back timber at the top of constructional column.2. deck-molding ＜ 800mm at the top of constructional column, template side is completely sealed, separately
One side template answers future insufficiency to be used as charging aperture and small-sized plug-in type vibrating rod, that is, pours construction column end and also remain one small section
Concrete is not poured, it is necessary to carry out secondary teeming.The template of side is completely sealed during form removal to remove, and as secondary teeming template, had
The template of breach side should be removed.Secondary teeming concrete should be made compared with dry and hard concrete (such as dough), and secondary teeming concrete fills up
Nailing template again afterwards, the secondary outward appearance sign that pours of concrete is relatively obscured after form removal, and perception is preferable.3. do not have the constructional column of beam for top, apply
Work method is fairly simple, can be poured in floor opening.No matter using which kind of form of construction work, pouring constructional column concrete must use
Small-sized plug-in type vibrating rod (diameter 3cm), just can guarantee that concrete compaction.If being sticked along the concavo-convex edge of masonry horse tooth trough two-sided
Glue, then seal the more tight not spillage of mould, constructional column and masonry boundary line are more attractive in appearance after form removal.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (8)
1. a kind of Constructional Col-umn Construction technique, it is characterised in that including step：
Step 1) reserve concreting hole (3) on the corresponding collar tie beam (2) of constructional column (1) in pre- pour；
Step 2) constructional column reinforcing bar (4) colligation；
Step 3) construction column template is set；The junction of masonry (5) and constructional column (1) is built into horse tooth trough (6)；
Step 4) constructional column (1) casting concrete, in agent structure pouring construction, one is inserted in concreting hole (3)
Interleaving agent is brushed on the outside of discharge duct (7), the discharge duct (7).
2. a kind of Constructional Col-umn Construction technique according to claim 1, it is characterised in that：The step 4), according to constructional column
(1) strength grade of concrete, pours into concrete from concreting hole (3), while being carried out fully with minor diameter vibrating spear
Vibrate, concreting to beam Xia Kou positions.
3. a kind of Constructional Col-umn Construction technique according to claim 2, it is characterised in that：The minor diameter vibrating spear is using small
In or equal to a diameter of 30mm vibrating spears.
4. a kind of Constructional Col-umn Construction technique according to claim 1, it is characterised in that：Also include step 5), using than original
The pea gravel concreten of collar tie beam (2) the design high grade of concrete or the solidifying native pouring hole (3) of grouting material filling.
5. a kind of Constructional Col-umn Construction technique according to claim 1, it is characterised in that：The discharge duct (7) can use
Pvc pipe is made, the bottom sealing of the discharge duct (7), and entanglement is provided with multiple passages (8) on duct wall.
6. a kind of Constructional Col-umn Construction technique according to claim 5, it is characterised in that：The passage (8) was provided with
Filter screen (9).
7. a kind of Constructional Col-umn Construction technique according to claim 6, it is characterised in that：Discharge duct (7) external diameter is big
In or equal to 40mm.
8. a kind of Constructional Col-umn Construction technique according to claim 1, it is characterised in that：The step 3), each horse tooth trough
(6) height is 200mm-300mm, and horse tooth trough (6) recessed depth is in 50-60mm, and each horse tooth trough does fillet or chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368389.9A CN107165411A (en) | 2017-05-22 | 2017-05-22 | A kind of Constructional Col-umn Construction technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368389.9A CN107165411A (en) | 2017-05-22 | 2017-05-22 | A kind of Constructional Col-umn Construction technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107165411A true CN107165411A (en) | 2017-09-15 |
Family
ID=59820401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710368389.9A Pending CN107165411A (en) | 2017-05-22 | 2017-05-22 | A kind of Constructional Col-umn Construction technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107165411A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882272A (en) * | 2017-10-31 | 2018-04-06 | 启迪设计集团股份有限公司 | Fill wall construction post |
| CN108118904A (en) * | 2018-01-07 | 2018-06-05 | 中铁四局集团建筑工程有限公司 | A kind of Constructional Col-umn Construction method |
| CN108999408A (en) * | 2018-09-29 | 2018-12-14 | 北京首钢建设集团有限公司 | A kind of building block of constructional column two sides uses the concreting method of chamfering |
| CN109208782A (en) * | 2018-09-30 | 2019-01-15 | 中国二十二冶集团有限公司 | Horse tooth trough building construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535849A (en) * | 2012-02-15 | 2012-07-04 | 中建三局第二建设工程有限责任公司 | Constructional column top concreting method |
| CN203795847U (en) * | 2013-12-12 | 2014-08-27 | 中国建筑第四工程局有限公司 | Formwork set for concrete specially-shaped section column |
| BR102012028473A2 (en) * | 2012-11-07 | 2014-09-23 | Jacinto Teixeira Sobrinho | CONSTRUCTIVE ARRANGEMENT APPLIED IN METAL FORM FOR CONCRETE PILLARS |
| CN203924729U (en) * | 2014-06-27 | 2014-11-05 | 中建八局第二建设有限公司 | Concrete pouring construction exhaust plant |
| CN204531065U (en) * | 2015-03-08 | 2015-08-05 | 青岛一建集团有限公司 | A kind of infilled wall constructional column that effectively can improve Forming Quality |
| CN106567543A (en) * | 2016-10-26 | 2017-04-19 | 上海中锦建设集团股份有限公司 | Slab-bottom structural concrete column reserved hole construction method |
-
2017
- 2017-05-22 CN CN201710368389.9A patent/CN107165411A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535849A (en) * | 2012-02-15 | 2012-07-04 | 中建三局第二建设工程有限责任公司 | Constructional column top concreting method |
| BR102012028473A2 (en) * | 2012-11-07 | 2014-09-23 | Jacinto Teixeira Sobrinho | CONSTRUCTIVE ARRANGEMENT APPLIED IN METAL FORM FOR CONCRETE PILLARS |
| CN203795847U (en) * | 2013-12-12 | 2014-08-27 | 中国建筑第四工程局有限公司 | Formwork set for concrete specially-shaped section column |
| CN203924729U (en) * | 2014-06-27 | 2014-11-05 | 中建八局第二建设有限公司 | Concrete pouring construction exhaust plant |
| CN204531065U (en) * | 2015-03-08 | 2015-08-05 | 青岛一建集团有限公司 | A kind of infilled wall constructional column that effectively can improve Forming Quality |
| CN106567543A (en) * | 2016-10-26 | 2017-04-19 | 上海中锦建设集团股份有限公司 | Slab-bottom structural concrete column reserved hole construction method |
Non-Patent Citations (1)
| Title |
|---|
| 百度文库: "构造柱施工工艺", 《HTTPS://WK.BAIDU.COM/VIEW/70986A32AE45B307E87101F69E3143323868F552?PCF=2》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882272A (en) * | 2017-10-31 | 2018-04-06 | 启迪设计集团股份有限公司 | Fill wall construction post |
| CN107882272B (en) * | 2017-10-31 | 2020-06-02 | 启迪设计集团股份有限公司 | Constructional column of filling wall |
| CN108118904A (en) * | 2018-01-07 | 2018-06-05 | 中铁四局集团建筑工程有限公司 | A kind of Constructional Col-umn Construction method |
| CN108999408A (en) * | 2018-09-29 | 2018-12-14 | 北京首钢建设集团有限公司 | A kind of building block of constructional column two sides uses the concreting method of chamfering |
| CN109208782A (en) * | 2018-09-30 | 2019-01-15 | 中国二十二冶集团有限公司 | Horse tooth trough building construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107165411A (en) | A kind of Constructional Col-umn Construction technique | |
| CH615236A5 (en) | ||
| CN102003069A (en) | Construction method and pouring device for framework masonry infill wall structure | |
| CN111719565A (en) | Deep foundation pit support structure and construction method thereof | |
| CN105839850A (en) | Basement reverse-construction scape post-casting pre-stressed construction method | |
| CN103469806A (en) | Construction method for replacing brick forming die with prefabricated concrete foundation bearing platform side die | |
| CN105696790B (en) | A kind of double-deck coupling beam opening mould plate system and its engineering method applied to double-deck coupling beam | |
| CN107178209A (en) | A kind of constructional column and agent structure integrated construction method | |
| CN205669281U (en) | A kind of cast-in-place integral concrete frame wall filled with masonry system | |
| CN108005255A (en) | A kind of construction method of wall | |
| CN109236033A (en) | A kind of building prefabrication Assembled enclosing wall and its production technology | |
| CN109113068A (en) | A kind of inverse construction joint structure for building construction of deep basal pit | |
| CN108412094A (en) | The construction method and device of the hollow concrete wall of masonry between a kind of replacement shear wall | |
| CN105155474B (en) | Chute construction shaper and the construction method of chute | |
| CN105696701B (en) | A kind of suitable slope shear wall building development platform and its construction method | |
| CN209066442U (en) | A kind of inverse construction joint structure for building construction of deep basal pit | |
| CN206539016U (en) | Constructional column pours device | |
| JP3015646U (en) | Concrete block for earth retaining | |
| CN110306561A (en) | A kind of foundation pit hardness construction method of interlocking pile | |
| CN109057066A (en) | A kind of flexible connection anti-seismic structure and construction method | |
| CN206707313U (en) | A kind of foundation ditch edge protection prefabricated foundation | |
| CN207538459U (en) | A kind of support device suitable for masonry wall constructional column | |
| CN207776878U (en) | A kind of underground power house machine hole dividing pier structure | |
| CN207077580U (en) | Prefabricated constructional column formwork producing device | |
| CN201915635U (en) | Form erecting device free of bar planting for brickwork construction |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |