CN103711232B - L-shaped frame component and lightweight concrete wall prefabricated type shear wall and connection construction method - Google Patents
L-shaped frame component and lightweight concrete wall prefabricated type shear wall and connection construction method Download PDFInfo
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- CN103711232B CN103711232B CN201310739802.XA CN201310739802A CN103711232B CN 103711232 B CN103711232 B CN 103711232B CN 201310739802 A CN201310739802 A CN 201310739802A CN 103711232 B CN103711232 B CN 103711232B
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Abstract
The invention discloses an L-shaped frame component and lightweight concrete wall prefabricated type shear wall and a connection construction method, and belongs to the technical field of construction, and the novel prefabricated type shear wall is manufactured by an L-shaped frame component prefabricated by normal concrete and a wall prefabricated by lightweight concrete. Embedded columns are arranged at all the ends and nodes of the L-shaped frame component, steel ribs are embedded into the lower portions of the embedded columns and partly extend out, and then the upper shear wall and the lower shear wall are vertically connected through the embedded column and steel rib framework and the vertical reinforcing steel bar binding and overlapping. The novel prefabricated type shear wall and the connection construction method of the novel prefabricated type shear wall have the advantages of being continuous in force bearing, reliable in connection, light in structural weight, low in construction cost, capable of saving energy and keeping warm and the like. In addition, the shear wall is supported in the construction process, construction is more convenient, and construction efficiency is improved.
Description
Technical field
The present invention relates to a kind of fabricated shear wall being applied to multilayer or middle-high building and its connected mode, it is a kind of
A kind of novel fabricated shearing being fabricated to by the body of wall of the prefabricated L-shaped frame component of normal concrete and lightweight precast concrete
Wall and its connecting structure, belong to architectural engineering assembly concrete shear wall structure technical field.
Background technology
The traditional house mode of construction of China substantially adopts cast-in-place mode, because which compares in technical elements
Ripe, but, cast-in-place structural system yet suffers from problems, and one is that construction condition is poor；Two is that site operation produces in a large number
Building waste, waste of material is serious；Three is to be limited by scene and weather conditions, low construction efficiency, long construction period；Four is scene
Construction is very big to surrounding environment influence.By contrast, fabricated shear wall structure to be built using industrialized mode, by house
Part or all of component complete in factory's pre-production, then transport job site, by reliable connected mode by structure
Part is assembled integrally, and has the advantages of short construction period, steady quality reliability, environmental protection and energy saving, can greatly alleviate market
Pressure.
But existing fabricated shear wall structure is mainly used in skyscraper, relatively costly, construct at wall connecting multiple
Miscellaneous, and construction quality is wayward, therefore, invention one kind is adapted to multilayer or middle-high building, low cost, energy-saving heat preserving, connects
Connect convenient fabricated shear wall structure and seem very necessary.
Content of the invention
Present invention aim at providing one kind to be used for multilayer or middle-high building, and there is stress continuously, connecting reliable, tying
Structure is from heavy and light, low engineering cost, energy-saving heat preserving, the L-shaped frame component lightweight concrete body of wall assembling of high efficient construction
Formula shear wall and connecting structure, efficiently solve cast-in-place concrete structure cost height, waste of material is serious, construction is complicated, construction
The low problem of efficiency.
The technical solution used in the present invention is as follows：
L-shaped frame component lightweight concrete body of wall fabricated shear wall, mainly by the L-shaped frame structure that normal concrete is prefabricated
Part and being made up of the body of wall of lightweight precast concrete of being located in L-shaped frame component, wherein L-shaped frame component two ends and
At node, three sleeper are set, sleeper is made up of four vertical reinforcements and stirrup, in the pre-buried reinforcing bar in sleeper bottom and stretch out one
Point, L-shaped frame component arranges vertical reinforcement and horizontal reinforcement, and the blanking of reserved later stage casting concrete in L-shaped frame component is led to
Road, L-shaped frame component adopts the normal concrete of more than C30；Lightweight concrete body of wall setting vertical reinforcement and horizontal reinforcement, wall
The blanking channel of the equally reserved later stage casting concrete of body；The lightweight concrete that lightweight concrete body of wall adopts includes foam coagulation
Soil, flyash concrete or regeneration concrete.
This fabricated shear wall structure is only applicable to 7 degree and less than 6 degree of multilayer or middle-high building, and building height is little
In 24m.
The length that reinforcing bar in L-shaped frame component sleeper is embedded in sleeper should be not less than 300mm, and stretching out body of wall length should
Highly identical with post-cast strip.
In L-shaped frame component sleeper, pre-buried reinforcing bar is I-shaped steel and steel bone or the reinforcing bar of other section form.
The vertical reinforcement length that shear wall stretches out up and down should be highly identical with post-cast strip, and is not less than 200mm.
The blanking channel of two later stage casting concretes should at least be reserved, channel diameter is not less than in every section shear wall
100mm.
Up and down at shear wall faying face, matsurface should be set, matsurface is concavo-convex to be no less than 6mm.
Shear wall junction sleeper stirrup diameter is not less than 8mm up and down, and spacing is not more than 100mm.
, when connecting by vertical reinforcement and reinforcing bar are stretched out a shear wall body part, upper and lower shear wall is even for described body of wall
When connecing, the reinforcing bar stretching out is inserted in the middle of sleeper vertical reinforcement, sleeper vertical reinforcement colligation and shear wall is complete with stirrup
Portion's vertical reinforcement adopts colligation overlapping mode to connect, and upper and lower shear wall junction template is propped up, and forms post-cast strip, Ran Houtong
Cross blanking channel casting concrete, when strength grade of concrete reaches 80%, form removal, upper and lower shear wall connection completes.
The shear wall junction later stage pours normal concrete up and down, and strength grade is not less than C30.
Beneficial effects of the present invention are：
1st, the fabricated shear wall by being fabricated to L-shaped frame component and lightweight concrete body of wall, is meeting bearing capacity
On the premise of, alleviate dead load, reduce construction costs, and lightweight concrete body of wall can possess good heat insulating ability
Can, there are energy-conserving and environment-protective.
2nd, by arranging sleeper and by being connected by way of reinforcing bar framework with sleeper vertical reinforcement, not only achieving body of wall
The vertical reliability connecting, and when constructing, body of wall has support, construction is more convenient, thus improve efficiency of construction,
Save production cost.
3rd, pass through to invent a kind of L-shaped frame component and lightweight concrete body of wall fabricated shear wall and its connecting structure, carry
A kind of being applied to multilayer or middle-high building and energy-saving heat preserving, cheap fabricated shear wall structural building, tool are supplied
There is great application prospect.
Brief description：
Fig. 1 is L-shaped frame component lightweight concrete body of wall fabricated shear wall connection diagram；
Fig. 2 is upper shear wall stereogram；
Fig. 3 is upper shear wall bottom plan view；
Fig. 4 is lower shear wall stereogram；
Fig. 5 is lower shear wall top plan view；
Fig. 6 is upper and lower shear wall junction sleeper construction connection diagram；
In figure：
The upper shear wall of 1-；Shear wall under 2-；3-L shape edge frame member；4- lightweight concrete body of wall；5- sleeper；6- vertical steel
Muscle；7- horizontal reinforcement；8- blanking channel；9- reinforcing bar；10- stirrup.
Specific embodiment：
With reference to the accompanying drawings and detailed description the present invention is described further：
L-shaped frame component lightweight concrete body of wall fabricated shear wall as shown in Figures 1 to 6 and connecting structure, by such as
Lower step is carried out：
1st, required according to Architectural Structure Design, determine L-shaped frame component 3 sectional dimension, lightweight concrete body of wall 4 section chi
Very little, vertical reinforcement 6 and horizontal reinforcement 7 diameter and spacing, stirrup 10 diameter and spacing；And determine the specific sectional dimension of reinforcing bar 9
Reserve blanking channel 8 quantity and pore size etc. with pre-buried length, shear wall；
2nd, press design requirement and make shear wall：First in three sleeper positions of L-shaped frame component 3 by four vertical reinforcements 6
Form sleeper 5 with stirrup 10 colligation, reinforcing bar 9 is fixed in sleeper 5 bottom, arrange whole vertical reinforcements 6 and the water of shear wall
L-shaped frame component 3 is first propped up with template, pours normal concrete, treats strong concrete by flat reinforcing bar 7, and pre-buried steel sleeve afterwards
After degree grade reaches 80%, form removal；Then lightweight concrete body of wall 4 is propped up with template, pour foam concrete or other
Lightweight concrete, after strength grade of concrete reaches 80%, form removal, then pull out steel sleeve to form blanking channel 8,
So far, shear wall completes.
3rd, upper and lower shear wall connects：After lower shear wall 2 is fixing, upper shear wall 1 of slinging, by upper shear wall 1InL-shaped side
Frame component 3'sThe lower shear wall 2 of reinforcing bar 9 be aligned in sleeper 5InSleeper 5'sIn the middle of vertical reinforcement 6, then slowly put down and cut
Power wall 1, after reinforcing bar 9 insertion vertical reinforcement 6 intermediate stable, by stirrup 10 colligation of the vertical reinforcement 6 of junction sleeper 5, and
Whole for shear wall vertical reinforcements 6 are adopted colligation bridging method to connect.
4th, pour post-cast strip concrete：Formwork supporting plate around junction is formed post-cast strip, from the blanking channel of upper shear wall 1
8 casting concretes, should reserve corresponding blanking channel 8 and regard venthole, after the completion of pouring, treat that strength grade of concrete reaches
After 80%, form removal, so far, the vertical connection construction of upper and lower shear wall terminates.
It is more than exemplary embodiments of the present invention, the enforcement not limited to this of the present invention.
Claims (6)
1.L shape edge frame member lightweight concrete body of wall fabricated shear wall it is characterised in that：Main prefabricated by normal concrete
L-shaped frame component and being made up of the body of wall of lightweight precast concrete in L-shaped frame component, wherein L-shaped frame component exists
At two ends and node, three sleeper are set, sleeper is made up of four vertical reinforcements and stirrup, in the pre-buried reinforcing bar in sleeper bottom
And stretching out a part, L-shaped frame component setting vertical reinforcement and horizontal reinforcement, in L-shaped frame component, the reserved later stage pours coagulation
The blanking channel of soil, L-shaped frame component adopts the normal concrete of more than C30；Lightweight concrete body of wall setting vertical reinforcement and
Horizontal reinforcement, the blanking channel of the equally reserved later stage casting concrete of lightweight concrete body of wall；Lightweight concrete body of wall adopts
Lightweight concrete includes foam concrete, flyash concrete or regeneration concrete；
This fabricated shear wall structure is only applicable to 7 degree and following multilayer or middle-high building, and building height is not more than 24m；
The length that reinforcing bar in L-shaped frame component sleeper is embedded in sleeper should be not less than 300mm, stretches out fabricated shear wall long
Degree should be highly identical with post-cast strip；
In L-shaped frame component sleeper, pre-buried reinforcing bar is I-shaped steel and steel bone or the reinforcing bar of other section form；
The vertical reinforcement length that shear wall stretches out up and down should be highly identical with post-cast strip, and is not less than 200mm.
2. L-shaped frame component lightweight concrete body of wall fabricated shear wall according to claim 1 it is characterised in that：Often
The blanking channel of two later stage casting concretes should at least be reserved, channel diameter is not less than 100mm in section shear wall.
3. L-shaped frame component lightweight concrete body of wall fabricated shear wall according to claim 1 it is characterised in that：On
At lower shear wall faying face, matsurface should be set, matsurface is concavo-convex to be no less than 6mm.
4. L-shaped frame component lightweight concrete body of wall fabricated shear wall according to claim 1 it is characterised in that：On
Lower shear wall junction sleeper stirrup diameter is not less than 8mm, and spacing is not more than 100mm.
5. the L-shaped frame component lightweight concrete body of wall assembled shearing according to Claims 1-4 any claim
Wall it is characterised in that：Described lightweight concrete body of wall is when connecting by vertical reinforcement and reinforcing bar are stretched out shear wall body one
Part, when upper and lower shear wall connects, the reinforcing bar stretching out is inserted in the middle of sleeper vertical reinforcement, with stirrup sleeper vertical reinforcement
Colligation, and whole for shear wall vertical reinforcements are adopted colligation overlapping mode to connect, upper and lower shear wall junction template is propped up,
Form post-cast strip, then pass through blanking channel casting concrete, when strength grade of concrete reaches 80%, form removal, on
Lower shear wall connection completes.
6. L-shaped frame component lightweight concrete body of wall fabricated shear wall according to claim 5 it is characterised in that：On
The lower shear wall junction later stage will pour normal concrete, and strength grade is not less than C30.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310739802.XA CN103711232B (en) | 2013-12-26 | 2013-12-26 | L-shaped frame component and lightweight concrete wall prefabricated type shear wall and connection construction method |
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| CN201310739802.XA CN103711232B (en) | 2013-12-26 | 2013-12-26 | L-shaped frame component and lightweight concrete wall prefabricated type shear wall and connection construction method |
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| CN103711232A CN103711232A (en) | 2014-04-09 |
| CN103711232B true CN103711232B (en) | 2017-02-15 |
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| CN104032859B (en) * | 2014-05-15 | 2016-08-17 | 中国建筑股份有限公司 | Assembled L-shaped mixing coupled wall and construction method thereof |
| CN104196146B (en) * | 2014-08-19 | 2016-05-18 | 南京长江都市建筑设计股份有限公司 | The syndeton of light-gauge steel section concrete shear wall and its lower reinforced concrete shear wall |
| CN104695589A (en) * | 2015-03-10 | 2015-06-10 | 东南大学 | Connecting structure and method for prefabricated assembled concrete shearing wall splicing joint |
| CN106245813A (en) * | 2016-09-30 | 2016-12-21 | 浙江宝业现代建筑工业化制造有限公司 | Integration overlapped shear wall plate L-type horizontal connecting node |
| CN107938856B (en) * | 2017-12-29 | 2023-10-27 | 三一筑工科技股份有限公司 | wall system |
| CN112663819A (en) * | 2021-01-05 | 2021-04-16 | 中国建筑第五工程局有限公司 | Method for building pillar-free classroom |
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| WO2011021151A1 (en) * | 2009-08-17 | 2011-02-24 | Kailas Kenjale | Method and system for in-situ construction of civil structures |
| CN102561553B (en) * | 2012-03-05 | 2013-12-25 | 河北联合大学 | Prefabricated concrete-filled steel tube frame-shear wall and construction method thereof |
| CN202865991U (en) * | 2012-08-28 | 2013-04-10 | 初明进 | Assembled monolithic shear wall building structure |
| CN202767230U (en) * | 2012-09-01 | 2013-03-06 | 初明进 | Assembly integrated shear wall construction structure |
| CN203049832U (en) * | 2013-01-22 | 2013-07-10 | 天津大学建筑设计研究院 | Assembling type shear wall structure |
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