CN1076752A - Semi-shearing wall system with railing frame - Google Patents
Semi-shearing wall system with railing frame Download PDFInfo
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Abstract
Multilayer semi-shearing wall system with railing frame of the present invention is a kind of novel building structural system.This system is by body of wall (8), (9), frame column (1), (2), (10), basis circle frame (3), (4), Vierendeel girder (5), (6), and vertically linking beam (7) constitutes, hollow wall is as load-bearing, heat-preserving wall on body of wall (8), (9) employing reinforced concrete, be cast with frame column (1), (2) at the crossing point of axes place of body of wall or at required place, body of wall (8), (9) are provided with rc-frame-beam (5), (6) and linking beam (7).Agent structure is difficult for destroyed.
Description
Semi-shearing wall system with railing frame of the present invention belongs to the functional archiotecture technical field, is a kind of novel building structural system.
Existing multistoried building building system is broadly divided into brick-concrete system (comprising hollow brick), frame system (comprising wall frame), and framework, shear wall system now are described below respectively:
The brick mix structure system is used for the building of lower level.
Because the restriction of the label of brick, brick mix structure system highest level is at six～seven layers.Loam brick will be baked bricks with ruining, and brick-building art is outmoded, and brick wall is from great, and it is that body of wall is conducted oneself with dignity that body of wall, basis will be born about half of vertical load.The brick wall width is bigger, has taken more building area, because masonry has horizontal straight joint, under horizontal force action, horizontal mortar joint is cut.(have only 3 kilograms per centimeter because the shear resistance of mortar is weak as No. 50 composite mortars
2So) be easier to take place sheared destruction.Because the brick mix structure system stiffness is big, the ability that absorbs seismic energy is also big, during earthquake, serious crack takes place easily, collapses, secondary disaster such as block strike.Give general employing of buried pipeline and strike the way that brick is filled a vacancy, destroyed integrality of wall.The planeness of metope, verticality.The mortar plumpness relies on skilled worker's manual operations control, and mortar also is to be dispersed in each building site to mix system, difficult quality guarantee.
It is more even that but the brick mix structure system is born external force, so as long as rigid foundation or strip foundation just can satisfy instructions for use, thereby reduced construction costs.
It is stressed identical with the clay solid brick wall for the structural clay tile wall of promoting the use of at present; this hollow brick has the void content below 25%; from the angle of protection Tu Yuan is to have saved 1/4th earth; therefore frictional resistance increases in blank-making technology; increased power consumption; and at base, fire, increased breakage in the transportation, mortar consumption increases when building by laying bricks or stones, considers to have little significance from integral body.
Frame structure system is that present multistoried building uses more a kind of form of structure, its characteristics are to bear vertical load with Vierendeel girder, pass to frame column by Vierendeel girder, frame column still will bear the horizontal loading that causes because of wind-force, earthquake, eccentric force except that bearing the vertical load that is transmitted by Vierendeel girder.Infilled wall stepless action in the framework is on Vierendeel girder, because the Vierendeel girder span is big (about 6 meters), the internal force (especially bending moment) that structural system produces is bigger, and along with the increase of height overall, and the internal force of the structural system that is caused by horizontal force (wind-force, seismic forces) is bigger.After vertical, horizontal loading superposeed for the influence of structural system, carry out member designs, the member of designing like this is not too economical.And the power transmission route of frame system has determined the internal force of whole building system to pass to the basis by post.
There is the single footing on the basis of frame structure system, the strip foundation of band grade beam, raft lamination foundation, pile foundation, box foundation etc., and these foundation costs generally all are higher than the rigid foundation or the strip foundation of brick-concrete system.
Therefore the cost of frame system is higher than brick-concrete system.
But the flexibility of frame system is bigger, and structural integrity is strong, and the energy force rate brick mix structure system of opposing horizontal force is strong.So shock resistance is also better.
When height overall reaches the higher limit of multilayer or because of wind-force, seismic forces are bigger, when framework can not be resisted, then will be designed to framework, shear wall system.
The design principle and the frame system of frame-shear wall system are more or less the same, and at escalator or in symmetrical centre, or at edge the bigger reinforced concrete wall of rigidity are set, in order to resist the internal force that horizontal force causes, distortion, this is the wall construction complexity partly, and expense is also more expensive.
The purpose of semi-shearing wall system with railing frame of the present invention is to take into account that the brick mix structure system is stressed evenly, the frame structure system flexibility is bigger, good integrity, the frame-shear wall system is utilized the advantage of the horizontal shearing resistance of body of wall participation of larger cross-sectional area, avoid above weakness separately, the aim that meets present wall reform, energy conservation project, and this is the higher novel building system of a kind of industrialization of construction industry degree.
The present invention constitutes the multilayer semi-shearing wall system with railing frame by body of wall, frame column, Vierendeel girder, it is characterized in that this body of wall adopts the reinforced concrete hollow wall as load-bearing, heat-preserving wall; The position cast-in-situ steel reinforced concrete frame column that needs at the crossing point of axes place of body of wall or in design, the section form of these pillars can be shapes such as rectangle, cross, L shaped, T; On above-mentioned body of wall, rc-frame-beam is set again.Because steel concrete ribbed building slab span is in 1.5 meters, so the Vierendeel girder effective span is in 1.6 meters, thereby its profile height is corresponding reduces, and is general few with brick mix structure system collar tie beam difference in height, and this system is to meet principle that the strong column and weak beam earthquake resistant structure designs.
Because the deadweight of reinforced concrete hollow wall has only 1/3rd of brick wall, the vertical load of generation is less, and the seismic forces that produces is also less.
The vertical load of this semi-shearing wall system with railing frame has directly been passed to the basis along reinforced concrete hollow special-shaped reinforced concrete column within the walls, so frame column bears the internal force that (or slightly bearing) caused by vertical load hardly.
The effect of frame column mainly is to bear because caused by factors internal force such as wind-force, seismic forces and depression of supports.
The sketch of this structural system is in the multistory frame of sealing, every a bit of distance (in 1.6 meters) a chain bar that two ends are hinged is arranged just between each layer crossbeam, these chain bars from the roof to basic vertical distribution, the calculation diagram shape resembles a fence, be " railing frame " so name, its calculating can be calculated according to general framework.
When big or overall height was higher when horizontal loading, that frame column is easily made was L shaped, T shape or cross.If when the depth-width ratio of post section is big, can adopt the computational methods of wall frame to carry out internal force analysis.
Even delimit in the seismic region, the frequency of the earthquake disaster that is taken place is also lower, and often decades or last a century can not take place yet.The division of earthquake intensity also is artificial the formulation, and its error is often also bigger.But, have to again be set up defences as human residential building.
In order to approach this earthquake natural law, adopt this semi-shearing wall more suitable.
" steel concrete ribbed building slab " web is thickened, and steel mesh reinforcement is joined in inside, makes it become the bigger deep beam of plane stiffness one by one.This deep beam is inside and outside every a bit of distance (as 300 millimeters) drawknot.These horizontal joints of building plates certain width that staggers is installed, and upper and lower frames is set a roof beam in place to water and is built up dentation interlock bed rearrangement body of wall.In the textural seam of handling steel concrete block plate and special-shaped reinforced concrete column well, guarantee that whole metope can transmit horizontal shear reliably.
Because body of wall is an assembled integral, a little less than the cast-in-situ steel reinforced concrete shear wall of its shear resistance than equal conditions, but owing to do not have a horizontal straight joint on the whole body of wall, the problem that does not have the shearing resistance of whole piece mortar joint, its shear strength is higher than the general body of wall of building by laying bricks or stones again, is " semi-shearing wall " so name.
Because this " semi-shearing wall " is found everywhere in the plane of whole building, it participates in the wall area of shearing resistance quantitatively greater than the special reinforced concrete shear wall that is provided with, and in whole building building, relatively evenly arrange, with regard to the integral anti-shearing ability, its performance also is not less than reinforced concrete shear wall.
If when running into larger earthquake,, at first can be broken because " block plate " rigidity in frame plane in this semi-shearing wall is bigger, in case break, build plate and also deactivate, but they can support special-shaped reinforced concrete column as a kind of constraint, make it lateral stability and are maintained.At this moment the supposition of whole " semi-shearing wall " structure is destroyed, has formed the calculation diagram of " railing frame ", enters the second road anti-vibration defense lines.
Because " semi-shearing wall " effect disappears, then the integral rigidity of system can descend suddenly, and vibration frequency diminishes, and amplitude increases, and mode curve changes, and seismic forces also can diminish suddenly.Make the unlikely destruction of agent structure.Formation structural system is split and is not fallen.Because building plate all is pin joint, does not have loose mail and flies out, and causes secondary disaster, helps the victims of the disaster and evacuate.When aftershock takes place when, be subjected to excessive horizontal force, make each layer Vierendeel girder surrender.At last, plastic hinge takes place in the bottom and causes whole system to be destroyed in frame column.Advantage of the present invention:
1, need not bake bricks with ruining.
2, alleviate owing to body of wall, beam, post, the basis all reduces, and saves construction costs, on same ground, can increase the level of building.Save the area.
3, do not consider earthquake generally speaking,, construction cost is reduced, and intensity compound nucleus is carried out in consideration " semi-shearing wall " effect when earthquake, makes the safety of body series when earthquake be guaranteed by " railing frame " design.
4, because the body of wall pin joint becomes cast in place and precast construction, shock-resistant and energy-dissipating effect is preferably arranged, twice antidetonation system-promptly " semi-shearing wall ", " railing frame " are arranged, if run into big shake, split and do not fall, more egress time is arranged, also do not have loose mail and send the generation secondary disaster, the dawn helps repairing after the calamity.
5, by the various places situation, insert different insulations, sound insulation, vapour barrier in hollow wall, system can become a kind of novel energy-saving construction system, and obtains building physics effect preferably.
6, industrialization of construction industry degree has improved, and component quality is easy to control.
7, utilize body of wall to make the some of post, beam forms, easy construction.
8, major project can not taken external scaffolding, and convenient construction improves the degree of safety of workman's operation, improves efficiency of construction.
9, the body of wall width reduces, and has enlarged usable floor area.
10, body of wall can closely be attached on the Vierendeel girder, and can move along with the flexible of building, roofing, and because material is identical, uneven flexible less, the possibility that produces wall crazing has just reduced.
11, do not have capillary channel between the outside in the body of wall, stopped the seepage of capillary water.
To being described as follows of accompanying drawing 1:
All members are all used concrete for making among Fig. 1, and its label is at C20～C30.AB, BC are span, and CD is the standard width of a room in an old-style house, and AE is a floor height.
(1) be L shaped angle frame column, its top, bottom are consolidated on the upper and lower Vierendeel girder.Its side closely links to each other with body of wall by steel fastener and cast-in-situ concrete.
The cross section flange width is wide or definite according to design with wall, is generally 160～250 millimeters, and edge of a wing height determines that according to design generally between 0～1000 millimeter, the high same floor height of post is generally at 2800～6000 millimeters.
(2) be T shape frame trestle, illustrate with (1).
(3) be horizontal foundation ring girder, its bottom links to each other with the basis, and reinforced concrete hollow wall and frame column are pacified, build, are fixed on this grade beam.Its section width is wide with wall, highly determines according to calculating, generally between 300～1000 millimeters.
(4) be vertical foundation ring girder, illustrate with (3).
(5) be the transverse frame beam, its underpart links to each other with body of wall and frame column, upper support building, roof system and upper strata body of wall, and its cross section is rectangle or spends blue shape, the requirement of shelving of floor is mainly satisfied in its breadth of section 〉=200 millimeter.Its depth of section is determined according to calculating, generally between 250～1000 millimeters.
(6) be the longitudinal framing beam, illustrate with (5).
(7) be vertical linking beam, its two ends link to each other with frame column, and the same standard width of a room in an old-style house of lower length, breadth of section are generally at 200～350 millimeters, and depth of section is between 300～600 millimeters.
(8) for giving system steel concrete ribbed building slab.
(9) for giving the system special-shaped reinforced concrete column.
(10) be the rectangle reinforced concrete post, with the bind mode of body of wall with (1), its breadth of section is wide or determine that by calculating generally at 160～500 millimeters, depth of section is determined according to calculating, generally at 160～1000 millimeters with wall.
(11) stay joint bar for giving in the post, its quantity determines that by calculating generally at 4～20, its diameter is between 12～28 millimeters, and the length of stretching out concrete surface is 35～42 times of bar diameter.
(12) be the window opening mouth, every width of cave entrance is at 600～1500 millimeters, and the hole height is 600～3000 millimeters.
(13) be door opening, width of cave entrance is at 800～1500 millimeters, and width of cave entrance is 1800～3000 millimeters.
The embodiment of the invention is described as follows:
One, railing frame
As: certain residential building, span AB, BC length are 4 meters, whenever stride peace and build 3 blocks of block plates (6).Standard width of a room in an old-style house CD is 3.4 meters, and special-shaped reinforced concrete column (9) is considered by the two ends hinged constraint in frame plane.Its section is 80 * 200 millimeters, floor height AE is 2.8 meters, 5 layers, and 2.7 tons every meter of vertical loads, frame trestle (1) cross section is the L type, flange width is 200 millimeters, and every length of side is 400 millimeters, and center trestle (10) cross section is 250 * 250 millimeters, Vierendeel girder (5) cross section is 200 * 400 millimeters, earthquake intensity is 7 degree, and geology is II class place soil, concrete grade C
20
Through zooming, 1 millimeter of maximum horizontal displacement, the maximum shear of frame column (1), (10) is 1.9 tons, and maximal bending moment is 3.25 tons one meter, and greatest axis power is 20.72 tons, and as long as arrangement of reinforcement is the reinforcing bar of 4 12 mm dias.
The maximal bending moment of Vierendeel girder (5) occurs in the first piece top of building plate (6) scope in of two floor faces near frame trestle (1), its value is 4.57 tons-Mi, corresponding shear value is 0.98 ton, 2 12 millimeters of required reinforcing bars, other adds the reinforcing bar that 2 diameters are 16 millimeters of φ 14～φ, and all the other sections are identical with 7 degree earthquake region ring beam structure arrangements of reinforcement.
Above presentation of results only needs constructional column, the collar tie beam of brick-concrete system 5～6 layers of left and right sides housing construction, and the solid clay brick wall is replaced with the reinforced concrete hollow wall, just can form " railing frame system ", and needn't increase cost.
Two, semi-shearing wall system
" multilayer and the high-story house structure design " book that utilizes Shanghai Tongji University P.24 in example 10-1, whenever stride 4.5 meters, twin spans, 10 layers, 6 meters of the standard widths of a room in an old-style house, 4 meters of floor heights, equivalent triangular load q=12t/m, totally 5 road shear walls, all the other are framework.Concrete C
30(seeing this book for details).
(1) shearing resistance:
According in submitting a written statement to a higher authority 39 pages, the total seismic forces of 5 road shear walls is:
Qwoj＝68.77×3+13.779×2＝233.87T
According in submitting a written statement to a higher authority 28 pages, the maximum shear in the frame column (1) (10) is in 5 tons.
As these masterpieces are used on " semi-shearing wall system " of identical span, suppose that each wall rigidity is identical, then every wall seismic forces that should distribute is:
233.87 ÷ 11=21.26 ton
The shearing that counts original framework again is added to the bottom:
21.26+5=26.26 ton
As adopt the present invention's " system ", the long L=9000-450 of wall * 2=8100 millimeter, body of wall converting thickness t=70 millimeter.
Only consider to build plate (6) effect.
[Q]＝ (Q)/(K) ＝ 1/(K) ×0.07fcbho＝ 1/1.55 ×0.07×15×70×8100
＝38.1（T）＞26.26（T）
According to shearing stress inter-equal theorem, can not ignore at the vertical direction shearing.
Only consider φ 6 connectors, (per 300 millimeters high, the shear resistance of 4 φ 6 every reinforcing bars is 0.97 * 0.8=0.776 ton, every layer has 48.）
[Q]=0.776 * 48=37.25 ton＞26.26 tons
(2) bending resistance: only consider 450 * 450 millimeters concrete columns
The section area that 4 diameters are 25 millimeters II grade reinforcing steel is 1964 square millimeters, and reinforcement cover is 35 millimeters, and concrete grade is C
30
Ay=1964 millimeter fc=16.5 kilogram/square millimeter b=450 millimeter
X=(1964 * 310)/(16.5 * 450)=82 millimeter
M＝ 1/(K) [fcmbx（ho- (x)/2 ）+f′yA′y（ho-a′s）
＝ 1/1.4 [16.5×450×82（9000-225）+310×1964（9000-35）]
=(1.08 * 1010)/1.4=771.4 ton-Mi
By this book P.39, total moment of flexure can be given each sheet wall
(868.948 * 3+151.24 * 2) ÷ 11=251 ton-Mi＜＜771 tons-Mi
As from the foregoing, be far longer than the moment of flexure that load causes by the designed semi-shearing wall system bending resistance of the present invention.
The shearing resistance potentiality of this semi-shearing wall:
Carrying out only having considered block plate b effect when the level cross-sectionn shear resistance calculates, ignore the favourable influence of frame column (1), (10) and stirrup.
Carrying out only having considered that diameter is 6 millimeters connecting reinforcements of φ when the vertical cross-section shear resistance calculates, when in fact horizontal seismic force takes place, the vertical cross-section pressurized waters in the fine flour stone concrete after block plate (6) and special-shaped reinforced concrete column (9) seam and has very big frictional force, and this does not count yet.
As from the foregoing, if consider above-mentioned factor, then more powerful by its bending resistance of body of wall, the shear resistance of the present invention's design.
Claims (8)
1, a kind of multilayer semi-shearing wall system with railing frame that constitutes by body of wall (8), (9), frame column (1), (2), (10), Vierendeel girder (5), (6), foundation ring girder (3), (4) and vertical linking beam (7), it is characterized in that it is load-bearing that the reinforced concrete hollow wall is adopted in this body of wall (8), (9), heat-preserving wall, be cast with reinforced concrete frame column (1), (2) at the crossing point of axes place of body of wall (8), (9) or in the position that design needs, the section form of post (1), (2) can be shapes such as rectangle, cross, L shaped, T shape; Above-mentioned again body of wall (8), (9) are provided with rc-frame-beam (5), (6) and vertical linking beam (7).
2, chat the multilayer semi-shearing wall system with railing frame on according to claim 1, the top, the bottom that it is characterized in that angle frame column (1) and frame trestle (2) are cemented on upper and lower Vierendeel girder (5), (6), its side closely links to each other with body of wall (8), (9) by steel fastener and cast-in-situ concrete, the cross section flange width of post (1), (2) is 160～250 millimeters, and edge of a wing height is between 0～1000 millimeter.
3, chat the multilayer semi-shearing wall system with railing frame on according to claim 1, the bottom that it is characterized in that horizontal foundation ring girder (3) and vertical foundation ring girder (4) links to each other with the basis, and reinforced concrete hollow wall and frame column (1), (2) are pacified, build, are fixed on foundation ring girder (3), (4).
4, chat the multilayer semi-shearing wall system with railing frame on according to claim 1, the bottom that it is characterized in that transverse frame beam (5) and longitudinal framing beam (6) and body of wall and frame strutting (1), (2) link to each other, upper support building, roof system and above each floor body of wall, its cross section is rectangle or spends blue shape, its breadth of section 〉=200 millimeter, depth of section is between 250～1000 millimeters.
5, above-mentioned multilayer semi-shearing wall system with railing frame according to claim 1, the two ends that it is characterized in that vertical linking beam (7) link to each other with frame column (10), the breadth of section of linking beam (7) is at 200～350 millimeters, and depth of section is between 300～600 millimeters.
6, chat the multilayer semi-shearing wall system with railing frame on according to claim 1, it is characterized in that body of wall constitutes by giving system steel concrete ribbed building slab (8) and giving system special-shaped reinforced concrete column (9).
7, chat the multilayer semi-shearing wall system with railing frame on according to claim 1, it is characterized in that reinforced concrete post (10) is a rectangle, closely link to each other with body of wall (8), (9) by steel fastener and cast-in-situ concrete, its breadth of section is generally at 160～500 millimeters, and depth of section is generally at 160～1000 millimeters.
8, chat the multilayer semi-shearing wall system with railing frame on according to claim 1, it is characterized in that giving in frame column (1), (2) and the reinforced concrete post (10) and leave joint bar (11), its quantity is generally at 4～20, its diameter is between 12～28 millimeters, and the length of stretching out concrete surface is 35～42 times of bar diameter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92107328 CN1076752A (en) | 1992-03-20 | 1992-03-20 | Semi-shearing wall system with railing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92107328 CN1076752A (en) | 1992-03-20 | 1992-03-20 | Semi-shearing wall system with railing frame |
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| CN1076752A true CN1076752A (en) | 1993-09-29 |
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| CN 92107328 Pending CN1076752A (en) | 1992-03-20 | 1992-03-20 | Semi-shearing wall system with railing frame |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094455A (en) * | 2010-12-27 | 2011-06-15 | 上海现代建筑设计(集团)有限公司 | Design method for timber structural system structure |
| CN103924711A (en) * | 2014-05-01 | 2014-07-16 | 西安科技大学 | Assembled type gridding shearing wall structural system and construction technology of assembled type gridding shearing wall structural system |
| CN104894988A (en) * | 2014-03-05 | 2015-09-09 | Ed.旭普林股份公司 | Sound isolation wall with vertical strut and plurality of isolation elements |
| CN108335617A (en) * | 2018-04-17 | 2018-07-27 | 广西城市建设学校 | Shear wall and raft foundation construction teaching facilities |
| CN108335616A (en) * | 2018-04-17 | 2018-07-27 | 广西城市建设学校 | Housing construction teaching facilities |
-
1992
- 1992-03-20 CN CN 92107328 patent/CN1076752A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094455A (en) * | 2010-12-27 | 2011-06-15 | 上海现代建筑设计(集团)有限公司 | Design method for timber structural system structure |
| CN102094455B (en) * | 2010-12-27 | 2012-05-23 | 上海现代建筑设计(集团)有限公司 | Design method for timber structural system structure |
| CN104894988A (en) * | 2014-03-05 | 2015-09-09 | Ed.旭普林股份公司 | Sound isolation wall with vertical strut and plurality of isolation elements |
| CN104894988B (en) * | 2014-03-05 | 2019-09-24 | 旭普林工程股份公司 | Sound barrier with vertical support and multiple isolation elements |
| CN103924711A (en) * | 2014-05-01 | 2014-07-16 | 西安科技大学 | Assembled type gridding shearing wall structural system and construction technology of assembled type gridding shearing wall structural system |
| CN108335617A (en) * | 2018-04-17 | 2018-07-27 | 广西城市建设学校 | Shear wall and raft foundation construction teaching facilities |
| CN108335616A (en) * | 2018-04-17 | 2018-07-27 | 广西城市建设学校 | Housing construction teaching facilities |
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