CN101565977B - Novel multi-ribbed composite wall structure system with three anti-vibration defense lines - Google Patents
Novel multi-ribbed composite wall structure system with three anti-vibration defense lines Download PDFInfo
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Abstract
The invention discloses a novel multi-ribbed composite wall structure system with three anti-vibration defense lines, which includes a first anti-vibration defense line point contact type X-shaped filling building block, a second anti-vibration defense line reinforced concrete multi-ribbed frame grid unit, a third anti-vibration defense line reinforced concrete invisible outer frame and acast-in-situ reinforced concrete floor, wherein the point contact type X-shaped filling building block and the concrete frame grid are contacted at four corner parts, flexible material is filled between the point contact type X-shaped filling building block and the concrete frame grid, 10-50mm slit is arranged between the side surface of the multi-ribbed frame grid unit and an outer frame column, and the multi-ribbed frame grid unit and top surface and bottom surface of an outer frame beam are anchored in the frame beam through rib column longitudinal steel bars to realize rigid connection. The structure system has three specific anti-vibration energy-dissipating defense lines, each defense line sequentially performs dominant defense effect under earthquake with different grades, thereby reaching the purpose of dissipating earthquake energy and reducing earthquake reaction by stages; and load transmission path is clear, mechanical model is simple and visual, thereby being convenient for realizing elaborate design of the multi-ribbed composite wall structure.
Description
Technical field
The present invention relates to a kind of close rib composite wall structural system, belong to building structure aseismatic cushion technique field with three road anti-vibration defense lines.
Background technology
Earthquake is a kind of people life property safety of jeopardizing and destructiveness, the great sudden natural calamity of harmfulness, and especially in city and area densely populated, that industry is flourishing, the loss that causes is more heavy.So far, people to the understanding of earthquake and research also in constantly carrying out.Because the uncertainty of the complexity of building structure, earthquake motion, people variability and other unpredictable factors during to the levels of precision of the limitation of understanding of earthquakes and the calculating of ambiguity, structural calculation especially Seismic Analysis, material property and construction and installation, make result of calculation especially differ bigger through the possibility of result behind practical the simplification with actual, much action effects still can't quantitatively calculate so far.Therefore, in seismic design, the conceptual design of structure is unusual the important point, and one of basic demand of conceptual design anti-vibration defense lines that promptly to be structure should have multiple tracks opposing geological process power, earthquake energy.
In area, the vast rural cities and towns of China, the esidential building building often adopts the masonry structure form at present.Compare with concrete structure, the Hollow Block Masonry Structure Anti-seismic poor-performing, anti-vibration defense lines is single, and all previous big shake proves, adopt the building construction of masonry structure, its rate of collapsing is higher than the rate of collapsing of dual and multiple lateral resisting buildings such as adopting concrete frame, concrete frame-shear wall far away.Simultaneously, the tradition masonry structure needs a large amount of the shoveling to ruin the field when using sintered clay brick, consume non-renewable resources such as soil, coal, added the shared soil of industrial residue of failing to make full use of and emitting, more and more be not suitable for the requirement of sustainable development.At shortcomings such as conventional clay brick masonry structure waste resource, anti-vibration defense lines are single, the Chinese invention patent publication number is that 200610001006.6 patent application text discloses the form of structure that a kind of name is called " multi-rib structure system and connect construction technique ", main bearing member wallboard wherein is the latticed building unit that steel concrete and light material are composited, with the less reinforced concrete beam column in cross section is that girt strip rib post is divided, and embeds the light material filling block of cuboid and form in grid.
But the said structure system has the following disadvantages:
(1) contact length of in-filled block and girt strip, rib post, outside framework is indeterminate, causes stress model unintelligible, and the Load Transfer approach is not directly perceived, and the effect that building block is brought into play in the antidetonation process can't accurately be estimated;
(2) under external force, because building block contacts with the face of sash, cause the mode of failure of building block various, shear failure may take place, also compression damage may take place, take place earlier perhaps to a certain degree that shear failure transfers compression damage then to, and building block destroys the order instability;
(3) because building block contacts with the face of rib post, cause the stressed mechanism of rib post to change, change the bad form of breaking of pressing into by rational press-bending mode of failure, rib post destruction has fragility character;
(4) close rib composite wall board and housing trestle link together by girt strip, it is present stage those skilled in the art's common practice, and this cause that outside framework and close rib composite wall board need to bring into play separately antihunt action and the sequencing of destruction can't distinguish, a lot of situation wainscot sheathings and outside framework destroy simultaneously, cause the ductile fracture order of " first wallboard afterframe " can not realize that structure in fact only shows the twice anti-vibration defense lines.
Summary of the invention
At the defective of existing close rib composite wall structural system, the inventor provides a kind of close rib composite wall structural system with three clear and definite road anti-vibration defense lines.
The objective of the invention is: by changing the contact form of in-filled block and lattice fram unit, close rib composite wall board and outside framework, clearly with in-filled block, close rib composite wall board, outside framework first road, second road, the 3rd road anti-vibration defense lines as structure, enable under little shake, middle shake and big shake effect, bring into play the leading role of energy dissipation successively, reach the destruction order in each defence line, road of accurate prediction, distinguish the design that becomes more meticulous that destroys object.
The present invention is made up of the first road anti-vibration defense lines point contact X type in-filled block 1, the reinforced concrete ribbed lattice fram unit 2 of the second road anti-vibration defense lines, the stealthy outside framework 3 of the 3rd road anti-vibration defense lines steel concrete, floor 4, it is characterized in that: reinforced concrete ribbed lattice fram unit 2 four limits are provided with the stealthy outside framework 3 of steel concrete, leave the gap between reinforced concrete ribbed lattice fram unit 2 outsides and the frame column, mounting points contact X type in-filled block 1 in each cell of reinforced concrete ribbed wallboard lattice fram unit 2, the stealthy outside framework 3 of steel concrete is connected with floor 4.Wherein the stealthy outside framework 3 of the 3rd road anti-vibration defense lines steel concrete is made up of stealthy frame column, contact post and stealthy Vierendeel girder.
The outer profile size of described some contact X type in-filled block 1 is 500～800mm, and length and width dimensions differ within 200mm, the length L that its bight contacts with sash
1Be 1/4 times the length of side, groove length L
2Be 1/2 times the length of side, depth of groove L
3Be 1/15～1/20 times the equidirectional length of side, block material is air-entrained concrete building block, aerating silicate lock; The arc transition mode is adopted at the groove position of some contact X type in-filled block 1, or adopts the corner angle transient mode, and in the corner angle transient mode, the optimal angle of corner angle θ is 120 °～150 °; The plane, four bights of X type in-filled block guarantees certain roughness.
The groove of described some contact X type in-filled block 1 is pasted with flexible material, the cuboid test block of formation rule.Flexible material is foam concrete, polystyrol plastic foam plate or rubber tile.
The breadth of section of described reinforced concrete ribbed lattice fram unit 2 is 100～200mm, the sash clear spacing is 500～800mm, and sash longitudinal stress reinforcing bar is 4 Φ, 6,4 Φ 8 or 4 Φ 10, and stirrup is Φ 4, stirrup spacing is 100～200mm, and the vertical muscle diameter of its middle rib post is than the big 2mm of the vertical muscle diameter of girt strip; Close rib composite wall board adopts prefabrication or job site to build cast-in-place formation by laying bricks or stones by hand, and wallboard thickness is got 150～300mm.
Leave the gap between described close rib lattice fram unit (2) outside and the frame column, gap length is 10～50mm, fill with foam concrete, polystyrol plastic foam plate or rubber tile, after the close rib composite wall board construction, in relevant position, the wallboard outside packing material is set, and then carries out the construction of housing trestle; Close rib wallboard top, bottom portion rib post adopt the mode of rigidly connecting to be connected with Vierendeel girder, and rib post reinforcing bar stretches in the Vierendeel girder and satisfies the anchorage length requirement, and the vertical muscle of rib post is reserved before the following Vierendeel girder concrete pouring of this layer.
Compare with existing multi-rib structure system, the advantage that the present invention has is:
(1) adopts X type in-filled block, the length L that the building block bight contacts with sash
1It is 1/4 times the length of side, the contact length of clear and definite in-filled block and girt strip, rib post, outside framework, the similar frame of lattice fram unit and in-filled block-diagonal brace mechanism of action, the Load Transfer path is clear and intuitive, building block uniaxial compression under the load action, the form of destroying also is a compression damage, so its mode of failure is reasonable, and supporting capacity is comparatively stable;
(2) the some way of contact of X type in-filled block and rib post, making the rib post break bad formal transformation by irrational pressure is rational press-bending mode of failure, has avoided rib post brittle fracture character;
(3) adopt the slit that close rib composite wall board and housing trestle is separated, avoided between wallboard and the frame column influencing each other aspect stressed and the distortion; Under the situation of the anti-side rigidity of wallboard anti-side rigidity much larger than frame column, wallboard is born most of seismic forces, to reach ultimate limit state prior to frame column destroys, and both relatively independent states have determined the destruction of wallboard not influence frame column, promptly guarantee to realize the ductile fracture order of " first wallboard afterframe " under the geological process;
(4) structural system has three clear and definite road antidetonations, power consumption defence line: under little shake, middle shake and the big shake effect, X type in-filled block, lattice fram unit, outside framework are brought into play the leading role of energy dissipation successively, have the ductile fracture order of very clear and definite " in-filled block-sash-outside framework "; Under the little shake in the Multi-ribbed Slab Wall X type in-filled block owing to be subjected to the constraint of lattice fram unit, may there be crack or crack to be limited within limits, minute crack is done the time spent at reversed load will be tending towards closed, and can continue bearing load, this moment, the building block of X type was main antidetonation member, brought into play its effect as the first road anti-vibration defense lines; Middle shake down, X type in-filled block in the body of wall is because intensity is lower, generally ftracture, cause the rigidity and the bearing capacity of the building block of X type to descend very fast, and, becoming the main member of opposing geological process by sash and the rigid frame that constitutes of the cracking building block bar stress system that baroclines, this moment, sash was as the second road anti-vibration defense lines, with the antidetonation of the first line of defence X type in-filled block fellowship structure, protection main body outside framework does not have obvious destruction; Big shake down, numerous X type in-filled blocks destroy serious under constraints even peel off, make the similar energy-dissipating device of body of wall, on the one hand, seismic energy can actively dissipate, on the other hand, make structure carry out the transition to another kind of stabilising system from a kind of stabilising system, adjust performance period to vibrate caused resonance effects with avoiding, and in X type in-filled block considerable damage, outside framework as the 3rd road anti-vibration defense lines begins to play a role, and guarantees that main structure body has enough vertical bearing capacities, avoids the generation of collapsing and destroying;
(5) designer can accurately predict the destruction order and the time to rupture in each defence line, road, realizes the seismic design that becomes more meticulous based on performance.
Description of drawings
Fig. 1 is the overall schematic with close rib composite wall structural system of three road anti-vibration defense lines of the present invention.
Fig. 2 is the first road anti-vibration defense lines: the structural representation of corner angle formula X type in-filled block,
Fig. 3 is the first road anti-vibration defense lines: the structural representation of circular arc type X type in-filled block,
Fig. 4 is the second road anti-vibration defense lines: reinforced concrete ribbed lattice fram unit structural representation,
Fig. 5 is the 3rd road anti-vibration defense lines: main body outside framework structural representation.
Number in the figure:
1-point contact X type in-filled block; The reinforced concrete ribbed lattice fram unit of 2-; The stealthy outside framework of 3-steel concrete; The 4-floor; 5-rib post; The 6-girt strip, 7-rib post is two ends beard muscle up and down; L
1The contact length of-X type in-filled block and sash; L
2The length of-X type in-filled block groove; L
3-X type in-filled block depth of groove.
The specific embodiment
The invention provides a kind of close rib composite wall structural system with three road anti-vibration defense lines, the present invention will be further described below by description of drawings and the specific embodiment.
Close rib composite wall structural system with three road anti-vibration defense lines of the present invention is made up of four parts, the first road anti-vibration defense lines is a contact X type in-filled block 1, take the form of air-entrained concrete building block, EPS light weight aggregate concrete, plant fiber-cement matrix material and small-sized damper, interact by a way of contact and sash, similar X type diagonal angle bracing or strutting arrangement, under the horizontal loads to bear pressure, can give full play to the resistance to compression bearing capacity of building block, this defence line mainly plays a role under little shake, middle shake; The second road anti-vibration defense lines is reinforced concrete ribbed lattice fram unit 2, take the form of reinforced concrete box structure, steel work gridiron structure etc., between lattice fram unit and the housing trestle deformation joint is set, it is stressed that sash distortion under external force and destruction directly do not influence the housing trestle, and this defence line mainly plays a role under middle shake, big shake; The 3rd road anti-vibration defense lines is the stealthy outside framework 3 of steel concrete, main frame structure just, and this defence line mainly is a various normal function of use of safeguarding the total system, is playing a role under big shake; Floor 4 is cast-in-place or precast concrete floor, cast-in-place or prefabricated close rib composite floor plate etc.
The technical solution that adopts is as follows:
The first road anti-vibration defense lines---the building block that some contact X type in-filled block 1:X type in-filled block is directly produced each shape in factory according to designing requirement, or adopt method such as cut, cut to be processed into X type in-filled block at building-site.Wherein, combine with girt strip, the effective of rib post in order to guarantee the building block bight, guarantee the reliability that internal force transmits, the plane, bight is adopted corrugated, to increase the adhesion stress between frictional resistance and building block and the concrete.Block material is air-entrained concrete building block, aerating silicate lock, the building block of EPS light weight aggregate concrete, the building block of plant fiber-cement matrix material.
The length and width of building block is 600mm, and thickness is 200mm, and the length that the building block bight contacts with sash is 150mm, and depth of groove is 40mm, adopts the arc transition mode.The in-filled block surface guarantees certain roughness, is beneficial to the bonding between building block and the concrete.
The second road anti-vibration defense lines---reinforced concrete ribbed lattice fram unit 2: the groove that at first flexible packing material is sticked on X type in-filled block 1, make it the cuboid test block of formation rule, set in-filled block 1 by designing requirement then, mix the reinforcing bar keel again, last fluid concrete forms close rib composite wall board.This combined wall board is during as load bearing wall, and wallboard thickness is 240mm, and the section width of reinforced concrete box is 160mm, clear spacing is 800mm, and sash longitudinal stress reinforcing bar is 4 Φ 8, and its middle rib post 5 vertical muscle diameters are than the suitable big 2mm of girt strip 6 vertical muscle diameters, stirrup is Φ 4, and spacing is 150mm.
Leave the gap between the close rib composite wall board outside and the frame column, gap length is 50mm, fills with rubber tile.After the close rib composite wall board construction, in relevant position, the wallboard outside packing material is set, and then carries out the construction of housing trestle.
Close rib wallboard top, bottom portion rib post adopt the mode of rigidly connecting to be connected with Vierendeel girder, and rib post two ends beard muscle 7 up and down must stretch in the Vierendeel girder and satisfy the anchorage length requirement, and the vertical muscle of rib post should be reserved before the following Vierendeel girder concrete pouring of this layer.
The 3rd road anti-vibration defense lines---outside framework 3: behind the wallboard hoisted in position, adopt special jig, wire rope etc. temporary fixed, and do horizontal level and verticality school, muscle is got rid of in the wallboard both sides should carry out straightening one by one, and does hook in the termination, link to each other with both sides frame column reinforcing bar, wallboard up and down protruding bar inserts among the Vierendeel girder, and with the Vierendeel girder reinforcing bar binding, prop up template then, casting beams, post, floorslab concrete form the complete close rib composite wall structural system with three road anti-vibration defense lines.
Further, X type in-filled block material can adopt steel fibre air-entrained concrete building block, polyethylene air-entrained concrete building block etc., and the ability so that the block material that increases fragility is resisted crack developing prevents that building block from destroying suddenly, increases its toughness and ductility.
Further, X type in-filled block material can adopt high damping power consumption material or small-sized built-in energy-dissipating device, to increase the power consumption effect of cell inside.If adopt small-sized built-in energy-dissipating device, then need filled and process concrete on every side, realizing protection to energy-dissipating device, and functions such as sound insulation, partition space.
Further, can be optimized design,,, improve the whole shock resistance of frame construction to reach better absorption seismic energy by adjusting anti-side rigidity and the power consumption effect that size obtains different sizes to the size of X type in-filled block.
Further, close rib lattice fram unit also can adopt steel work sash or steel reinforced concrete sash.
Further, during as non-bearing energy-dissipating and shock-absorbing wall, wallboard thickness L
1Be 150～250mm, the section width L of reinforced concrete box
2Be 100～150mm, spacing L
3Be 500～800mm, sash longitudinal stress reinforcing bar is 4 Φ, 6～4 Φ 8, and stirrup is Φ 4, and stirrup spacing is 100～200mm.
Claims (6)
1. close rib composite wall structural system with three road anti-vibration defense lines, by the first road anti-vibration defense lines point contact X type in-filled block (1), the reinforced concrete ribbed lattice fram unit of the second road anti-vibration defense lines (2), the stealthy outside framework (3) of the 3rd road anti-vibration defense lines steel concrete, floor (4) is formed, it is characterized in that: reinforced concrete ribbed lattice fram unit (2) four limits are provided with the stealthy outside framework (3) of steel concrete, leave the gap between reinforced concrete ribbed lattice fram unit (2) outside and the frame column, mounting points contact X type in-filled block (1) in each cell of reinforced concrete ribbed lattice fram unit (2), the stealthy outside framework of steel concrete (3) is connected with floor (4).
2. a kind of close rib composite wall structural system with three road anti-vibration defense lines according to claim 1 is characterized in that: described the 3rd stealthy outside framework of road anti-vibration defense lines steel concrete (3) is made up of stealthy frame column, contact post and stealthy Vierendeel girder.
3. a kind of close rib composite wall structural system according to claim 1 with three road anti-vibration defense lines, it is characterized in that: the outer profile size of described some contact X type in-filled block (1) is 500～800mm, length and width dimensions differ within 200mm, the length that its bight contacts with sash (L1) is 1/4 times the length of side, groove length (L2) is 1/2 times the length of side, depth of groove (L3) is 1/15～1/20 times the equidirectional length of side, and block material is air-entrained concrete building block, aerating silicate lock;
The arc transition mode is adopted at the groove position of some contact X type in-filled block (1), or adopts the corner angle transient mode, and in the corner angle transient mode, the optimal angle of corner angle (θ) is 120 °～150 °.
4. a kind of close rib composite wall structural system according to claim 1 with three road anti-vibration defense lines, it is characterized in that: the groove of described some contact X type in-filled block (1) is pasted with flexible material, the cuboid test block of formation rule; Flexible material is foam concrete, polystyrol plastic foam plate or rubber tile.
5. a kind of close rib composite wall structural system according to claim 1 with three road anti-vibration defense lines, it is characterized in that: the thickness of section of described reinforced concrete ribbed lattice fram unit (2) is 100～200mm, the sash clear spacing is 500～800mm, sash longitudinal stress reinforcing bar is 4 Φ, 6,4 Φ, 8,4 Φ 10, stirrup is Φ 4, stirrup spacing is 100～200mm, and the vertical muscle diameter of its middle rib post is than the big 2mm of the vertical muscle diameter of girt strip.
6. a kind of close rib composite wall structural system according to claim 1 and 2 with three road anti-vibration defense lines, it is characterized in that: the gap length between described close rib lattice fram unit (2) outside and the frame column is 10～50mm, fill with foam concrete, polystyrol plastic foam plate or rubber tile, after close rib lattice fram unit (2) construction, in relevant position, the wallboard outside packing material is set, and then carries out the construction of housing trestle;
Close rib sash top, bottom portion rib post adopt the mode of rigidly connecting to be connected with Vierendeel girder, and rib post reinforcing bar stretches in the Vierendeel girder and satisfies the anchorage length requirement, and the vertical muscle of rib post is reserved before the following Vierendeel girder concrete pouring of this layer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102505781A (en) * | 2011-11-11 | 2012-06-20 | 西安理工大学 | Energy dissipating and shock absorbing system having dense reinforcement structure |
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| CN102535679B (en) * | 2012-01-06 | 2014-08-06 | 西安理工大学 | Shear wall with dense ribs and clad steel plates |
| CN102912896B (en) * | 2012-09-18 | 2015-07-29 | 西安理工大学 | Separate type steel plate shear force wall |
| CN103469930B (en) * | 2013-09-06 | 2015-10-28 | 李震 | A kind of frame construction of construction wall |
| CN104389361A (en) * | 2014-11-04 | 2015-03-04 | 华南理工大学 | Damping filling wallboard for frame structure |
| CN104481055A (en) * | 2014-12-06 | 2015-04-01 | 塔里木大学 | Dense-rib column anti-seismic ecological wall body system for villages and small town dwelling house |
| CN105544789A (en) * | 2016-01-28 | 2016-05-04 | 迈瑞司（北京）抗震住宅技术有限公司 | Multi-ribbed composite wall and production method thereof |
| CN106121124A (en) * | 2016-08-22 | 2016-11-16 | 北京迈瑞司建筑科技发展有限公司 | Building block and use the close rib composite wall board of this building block |
| CN106639453A (en) * | 2016-11-17 | 2017-05-10 | 浙江大学 | Structure system for honeycomb-shaped steel silo |
| CN115680191B (en) * | 2023-01-05 | 2023-04-07 | 衡水科莱节能科技有限公司 | Assembled building energy-saving wall structure board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102505781A (en) * | 2011-11-11 | 2012-06-20 | 西安理工大学 | Energy dissipating and shock absorbing system having dense reinforcement structure |
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