CN214994902U - Frame infilled wall structure - Google Patents
Frame infilled wall structure Download PDFInfo
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- CN214994902U CN214994902U CN202121094375.0U CN202121094375U CN214994902U CN 214994902 U CN214994902 U CN 214994902U CN 202121094375 U CN202121094375 U CN 202121094375U CN 214994902 U CN214994902 U CN 214994902U
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Abstract
The utility model discloses a frame infilled wall structure, which comprises a main body frame and an infilled wall arranged in the main body frame, wherein the main body frame comprises a structural beam; at least one side of the infilled wall is provided with a reinforced mortar surface layer strip, and longitudinal bars of the reinforced mortar surface layer strip are fixed on the infilled wall or the structural beam through anchoring parts; the anchoring pieces are arranged at two ends of the reinforced mortar surface layer strip. When the conditions such as earthquake occur, the earthquake acting force borne by the main body frame and the filler wall can be distributed to the filler wall provided with the reinforced mortar surface layer strip, so that the damage degree of the filler wall under the earthquake action is reduced, the filler wall participates in the integral stress of the main body frame, and the earthquake resistance of the frame structure is greatly improved. In addition, the reinforcing mortar surface layer strip can reinforce the infilled wall, and the condition that casualties and property loss occur due to the fact that the infilled wall is damaged first under the action of strong shock is avoided.
Description
Technical Field
The utility model relates to a building technical field, more specifically say, relate to a frame infilled wall structure.
Background
In current structural design practice, infilled walls are treated as non-structural members and do not participate in seismic calculations of the structure. In fact, the filler wall in the frame and the main body frame resist lateral loads in a cooperative mode, and according to domestic and foreign tests and research results, if the effective rigidity and strength of the filler wall are not considered in the anti-seismic design, great difference can be brought to seismic analysis. The research aiming at the function of the filler wall in the frame structure in China is divided. For example, in the research on the improvement of the seismic performance of the external corridor type frame structure with the filler wall, such as Huangqingshan, the Hunan university and the like, the damping filler wall adopting the high-damping mortar damping layer and the PVA-ECC material are tried to be applied to the external corridor type frame structure, and the same consideration and analysis are not carried out on the frame main body and the filler wall; a series of works are developed aiming at the out-of-plane anti-seismic performance of a filler wall based on an ABAQUS software platform in 'simulation research on the out-of-plane anti-seismic performance of an RC frame structure of the filler wall by Wang Xiao Hu, Haerbin Industrial university' but how to reasonably arrange the filler wall to ensure that the filler wall has enough resistance outside the plane of the filler wall, so that the structure safety is ensured, and deep discussion is not provided.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a frame infill wall structure, the structural design of which can effectively improve the anti-seismic performance.
In order to achieve the above object, the utility model provides a following technical scheme:
a frame infilled wall structure comprises a main body frame and an infill wall arranged in the main body frame, wherein the main body frame comprises a structural beam; at least one side of the infilled wall is provided with a reinforced mortar surface layer strip, and longitudinal bars of the reinforced mortar surface layer strip are fixed on the infilled wall or the structural beam through anchoring parts; the anchoring pieces are arranged at two ends of the reinforced mortar surface layer strip.
Preferably, in the above frame infilled wall structure, the reinforced mortar surface layer strips include X-type reinforced mortar surface layer strips and vertical reinforced mortar surface layer strips.
Preferably, in the frame infilled wall structure, the X-shaped mortar surface layer strip is suitable for infilled walls with the height-to-width ratio of wall limbs less than or equal to 1.5;
when the infilled wall with the wall limb height-to-width ratio not greater than 1.5 does not contain a door and window opening, the X-shaped reinforced mortar surface layer strip longitudinal rib is fixed on the infilled wall or the structural beam through the anchoring part, and when the infilled wall with the wall limb height-to-width ratio not greater than 1.5 contains a door and window opening, the X-shaped reinforced mortar surface layer strip longitudinal rib is fixed on the structural beam through the anchoring part.
Preferably, in the frame infilled wall structure, when the X-shaped mortar surface layer strip longitudinal bar is fixed on the whole cross-section infilled wall without the door and window opening through the anchoring part, the end part of the X-shaped mortar surface layer strip longitudinal bar is close to the intersection point of the structural beam and the frame column, the anchor rod is embedded on the precast concrete block, and the longitudinal bar is connected with the anchor rod; when the X-shaped reinforced mortar surface layer strip longitudinal bar is fixed on the structural beam through the anchor rod, the anchor rod in the anchoring part is embedded in the structural beam, and the longitudinal bar is connected with the anchor rod.
The frame infilled wall structure of claim 2, characterized in that, the side of the infilled wall containing the door and window opening that is provided with the X-type reinforced mortar surface layer strip far away from the door and window opening is fixed on the intersection point of the structural beam and the frame column, the X-type reinforced mortar surface layer strip is close to the side of the door and window opening and is tangent with the door and window opening, the upper end and the lower end of the longitudinal bar of the reinforced mortar surface layer strip are connected with the anchor rod fixed on the structural beam.
Preferably, in the above frame infilled wall structure, the vertical reinforced mortar surface layer strip is suitable for infilled walls with a wall limb aspect ratio of 1.5 or more.
Preferably, in the above frame infilled wall structure, the vertical reinforcement mortar surface layer strip is connected with the anchor rod pre-buried on the structural beam at the upper end and the lower end of the longitudinal reinforcement.
Preferably, in the above-mentioned frame infilled wall structure, at least one side of the infilled wall that seismic fortification intensity requires 8 degrees and the second floor above ground and the infilled wall that seismic fortification intensity requires 6-7 degrees is provided with X-type reinforced mortar surface layer strip.
Preferably, in the frame infilled wall structure, one side of the infilled wall is provided with a reinforced mortar surface layer strip, and the thickness of the reinforced mortar surface layer strip is 25mm-60 mm; alternatively, the first and second electrodes may be,
the two sides of the filler wall are provided with the reinforced mortar surface layer strips, and the thickness of the reinforced mortar surface layer strips is 25-40 mm.
Preferably, in the above-mentioned frame infilled wall structure, main body frame is including setting up the foundation beam under the terrace, the bottom on the infilled wall the bottom anchor of arrangement of reinforcement mortar surface course strip is in the foundation beam under the terrace, the bottom of arrangement of reinforcement mortar surface course strip stretches into the length of foundation beam under the terrace is less than or equal to 500 mm.
Preferably, in the frame infilled wall structure, the width of the reinforcing mortar surface layer strip is 250-500 mm;
the thickness of the reinforcing mortar surface layer strip is 25-60 mm.
Preferably, in the above frame infilled wall structure, the reinforcing mortar surface layer strip is a reinforcing mortar surface layer strip or a steel strand polymer surface layer strip.
Preferably, in the above frame infilled wall structure, the reinforcing mortar surface layer strip is arranged on the outer side of the infilled wall, and the surface of the reinforcing mortar surface layer strip is sprayed with liquid rubber.
Preferably, in the above frame infilled wall structure, the liquid rubber is sprayed on the outside of the infilled wall or sprayed in the width of 50mm-100mm on both sides of the reinforcing mortar surface layer strip.
When the conditions such as earthquake occur, the earthquake acting force borne by the main body frame and the filler wall can be distributed to the filler wall provided with the reinforced mortar surface layer strips, and the reinforced mortar surface layer strips can bear part of the earthquake acting force, so that the damage degree of the filler wall under the action of the earthquake is reduced, the filler wall participates in the whole stress of the main body frame, and the earthquake resistance of the frame structure is greatly improved. In addition, the reinforcing mortar surface layer strips can reinforce the filler wall, and the reinforcing mortar surface layer strips are firstly damaged without collapsing under the action of strong shock, so that the condition that the filler wall is firstly damaged under the action of strong shock to cause casualties and property loss is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a frame infilled wall structure provided by an embodiment of the present invention.
In fig. 1:
1-main body frame, 2-filler wall, 3-X type reinforced mortar surface layer strip and 4-vertical type reinforced mortar surface layer strip.
Detailed Description
In the frame structure of China, the infilled wall generally does not participate in the functions of earthquake resistance and energy dissipation, and the stressed main body is a main frame structure, so that the section size and the reinforcing bars of the main frame are required to be increased in order to meet the earthquake resistance requirement during engineering design, and the construction engineering quantity and the material consumption are synchronously increased. Because the infilled wall is not designed according to anti-seismic members, the infilled wall is weak in structural measures and ductility performance, and the actual anti-seismic performance of the whole building is poor, and a large number of frame structures are damaged first under the action of strong shock to cause personal casualties and property loss, so that the normal production and living order is seriously influenced.
Based on the circumstances, an object of the utility model is to provide a frame infilled wall structure, its anti-seismic performance can be improved effectively to this frame infilled wall structure's structural design.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constituted in a specific orientation, and be operated, and thus, are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the frame infill wall structure provided by the present invention includes a main frame 1 and an infill wall 2. The infill wall 2 is provided within the main body frame 1. The main body frame 1 includes a structural beam. At least one side of the infilled wall 2 is provided with a reinforced mortar surface layer strip, and longitudinal bars of the reinforced mortar surface layer strip are fixed on the infilled wall 2 or the structural beam through anchoring parts. The longitudinal ribs are arranged along the length direction of the reinforced mortar surface layer strip, and the number of the longitudinal ribs is multiple and can be arranged in parallel. The mortar wraps the plurality of longitudinal ribs. The anchoring parts are arranged at two end parts of the reinforced mortar surface layer strip, and specifically, two ends of the longitudinal bar of the reinforced mortar surface layer strip are fixed on the infilled wall 2 or the structural beam through the anchoring parts. In other words, the reinforced mortar surface layer strip is fixed on one side or two side surfaces of the infilled wall 2, and the reinforced mortar surface layer strip is fixedly attached to the side surfaces of the infilled wall 2. And the end part of the reinforcing mortar surface layer strip is fixed with the structural beam or the infill wall 2.
So set up, when situations such as emergence earthquake, the earthquake effort that main body frame 1 received can disperse to the infilled wall 2 that sets up the reinforcing bar mortar surface course strip, and reinforcing bar mortar surface course strip can undertake partial earthquake effort, has alleviateed the destruction degree of infilled wall 2 under the earthquake action for infilled wall 2 participates in main body frame 1's whole atress, has improved frame construction's anti-seismic performance greatly. In addition, the reinforcing mortar surface layer strips can reinforce the filling wall 2, and the reinforcing mortar surface layer strips are firstly damaged without collapsing under the action of strong shock, so that the condition that casualties and property loss occur due to the fact that the filling wall 2 is firstly damaged under the action of strong shock is avoided.
The structural beam of the main body frame 1 may be a cross beam, a foundation beam, or a foundation plate.
The reinforced mortar surface layer strip comprises 25-6 mm thick mortar surface layer strips 250-500 mm wide mortar surface layer strips, the mortar is cement mortar or polymer mortar, stress longitudinal ribs and distribution ribs are arranged in the mortar surface layer strips, the quantity of the stress longitudinal ribs is generally determined by calculation, the diameter of the distribution ribs is 6, the distance between the distribution ribs is 300-500mm, and the distribution ribs are bound with the stress longitudinal ribs. During construction, longitudinal bars and distributed bars can be bound and connected with through-wall tie bars to form a reinforcing mesh, then wood formworks are erected, cement mortar or polymer mortar is spread in layers, and the mortar is maintained in time, wherein wet maintenance is generally required for 7 days.
In order to further improve the earthquake-proof performance and improve the bearing capacity of the reinforced mortar surface layer strips, at least one side of the infilled wall 2 is provided with a plurality of reinforced mortar surface layer strips. Specifically, a plurality of reinforcing mortar surface layer strips may be disposed on one side or both sides of the infilled wall 2, and of course, one reinforcing mortar surface layer strip may be disposed on one side or both sides of the infilled wall 2. Alternatively, one side of the infilled wall 2 is provided with a plurality of reinforced mortar surface layer strips and the other side is provided with one reinforced mortar surface layer strip, which is not limited herein.
Through the applicant's many tests, the utility model provides a 2 structures of frame infilled wall can satisfy the intensity of seismic fortification 6-9 degrees (design basic seismic acceleration 0.05g-0.4g) district frame construction reinforced by earthquake's needs to through the reinforcement to building block infilled wall 2, reach the purpose of reinforcing main body frame 1 structure.
The utility model provides a 2 structures of frame infilled wall are applicable to aerated concrete block infilled wall 2, solid clay brick and hollow clay brick building block infilled wall 2 etc..
The reinforced mortar surface layer strip comprises an X-shaped reinforced mortar surface layer strip 3 and a vertical reinforced mortar surface layer strip 4. The reinforcing mortar surface layer strips can be two intersecting reinforcing mortar surface layer strips, so that the bearing capacity of the intersecting reinforcing mortar surface layer strips is stronger, the multidirectional force can be borne, and the anti-seismic performance of the infilled wall 2 is further improved.
The X-shaped mortar surface layer strip is suitable for the infilled wall 2 with the height-width ratio of the wall limb less than or equal to 1.5. Specifically, when the infilled wall 2 with the wall limb height-to-width ratio not greater than 1.5 does not contain a door and window opening, the longitudinal ribs of the X-shaped reinforced mortar surface layer strips are fixed on the infilled wall 2 or the structural beam through the anchoring parts, and when the infilled wall 2 with the wall limb height-to-width ratio not greater than 1.5 contains a door and window opening, the longitudinal ribs of the X-shaped reinforced mortar surface layer strips 3 are fixed on the structural beam through the anchoring parts. The width of the X-shaped reinforced mortar surface layer strip 3 is 250mm-400 mm. The force born by the crossed reinforced mortar surface strips is transmitted to a floor or a foundation beam and is distributed to other wall bodies (wall sections and wall limbs) on the same floor through a floor slab to form a space to integrally work, so that the upper end and the lower end of the crossed reinforced mortar surface strips are anchored with the main body frame 1 to form a space stress system, and the earthquake can be better resisted.
In another embodiment, when the longitudinal bar of the X-shaped mortar surface layer strip is fixed on the full-section infilled wall 2 without the door and window opening through the anchoring piece, the end part of the longitudinal bar is close to the intersection point of the structural beam and the frame column, the anchor rod is embedded on the precast concrete block, and the longitudinal bar is fixedly connected with the anchor rod. When the longitudinal ribs of the X-shaped reinforced mortar surface layer strips 3 are fixed on the structural beam through the anchor rods, the anchor rods are embedded in the structural beam in advance, and the longitudinal ribs are connected with the anchor rods.
In another embodiment, one side of an X-shaped reinforced mortar surface layer strip 3, which is far away from the door and window opening, is arranged on the filler wall 2 with the door and window opening and fixed on the intersection point of the structural beam and the frame column, one side of the X-shaped reinforced mortar surface layer strip 3, which is close to the door and window opening, is tangent to the door and window opening, and the upper end and the lower end of a longitudinal rib of the reinforced mortar surface layer strip are connected with an anchor rod fixed on the structural beam. When the X-shaped reinforcing mortar surface layer strip 3 is arranged on the filler wall 2 with the door and window opening, the bottom of one side, close to the door and window opening, of the X-shaped reinforcing mortar surface layer strip 3 is connected with the edge of the door and window opening, and the top of one side, close to the door and window opening, of the X-shaped reinforcing mortar surface layer strip 3 is fixedly connected with the intersection point of the structural beam at the top of the filler wall 2 and the frame column.
The reinforcing bar mortar surface layer strip can also be a vertical reinforcing bar mortar surface layer strip 4.
The vertical reinforced mortar surface layer strip 4 is suitable for the infilled wall 2 with the height-width ratio of the wall limb being more than or equal to 1.5. Specifically, vertical type reinforced mortar surface layer strips 4 are preferentially adopted on the infilled wall 2 with the wall limb height-to-width ratio more than or equal to 1.5, and the vertical type reinforced mortar surface layer strips 4 can be specifically arranged on two sides of the infilled wall 2.
In one embodiment, the upper end and the lower end of the longitudinal bar of the vertical reinforced mortar surface layer strip 4 are connected with an anchor rod pre-embedded on the structural beam. So set up, vertical type arrangement of reinforcement mortar surface course strip 4 also can bear the weight of the atress of structure roof beam.
At least two vertical reinforced mortar surface layer strips 4 are in a frame stress mode, and the X-shaped reinforced mortar surface layer strips 3 form a tension-compression rod stress mode, so that a space stress system is formed in the whole building, and a good anti-seismic effect is achieved.
The reinforcing mortar surface layer strips are arranged on one side or two sides of the wall body of the infilled wall 2 and are arranged along the stress concentration and vulnerable parts of the infilled wall 2. The reinforced mortar surface layer strip can be arranged on the filler wall 2 without a window opening or a door opening, and can also be arranged on the filler wall 2 with a window opening or a door opening.
Specifically, at least one side of the infill wall 2 with the seismic fortification intensity requirement of 8 degrees and the second and above ground layers and the infill wall 2 with the seismic fortification intensity requirement of 6-7 degrees is provided with an X-shaped reinforced mortar surface layer strip 3. The seismic fortification intensity requirement is 8 degrees, and at least one side of the filling wall 2 of the first layer on the ground is provided with a rice-shaped reinforced mortar surface layer strip 5. In other words, the infilled wall 2 with low requirement for earthquake fortification can be provided with the X-shaped reinforced mortar surface layer strip 3, and the infilled wall 2 with high requirement for earthquake fortification can be provided with the rice-shaped reinforced mortar surface layer strip 5.
According to earthquake damage investigation, the infilled wall 2 with the wall limb height-width ratio less than or equal to 1.5 is prone to generating cross shear cracks under the action of earthquake shearing force, which is the main form of wall body damage, for the structural wall limbs of the frame infilled wall 2, such as the wall limbs positioned on two sides of a window wall and a door opening, an inner transverse wall, an inner longitudinal wall, an outer longitudinal wall, an end gable wall and other short walls (the wall limb height-width ratio is less than or equal to 1.5), through arranging the cross reinforced mortar surface layer strips on the infilled wall 2 with the wall limb height-width ratio less than or equal to 1.5, a tension and compression rod can be formed to bear the earthquake shearing force of reciprocating action, so that the infilled wall 2 positioned on the inner side of the reinforced mortar surface layer strips basically does not bear or bear smaller earthquake shearing force, and the infilled wall 2 is well protected. The width of the reinforcing mortar surface layer strip on the infilled wall 2 with the wall limb height-to-width ratio less than or equal to 1.5 is 250-400 mm.
The side surface of the filler wall 2 with the door opening can be provided with a vertical reinforced mortar surface layer strip 4 to form a seismic shear force of which the tension and compression bar plays a reciprocating role.
According to the test, the ultimate bearing capacity of the wall body with the reinforcing mortar surface layer strips is improved by more than 20%, the ductility and the energy consumption capacity are obviously improved, and the hysteresis curve of the wall body is equivalent to a ductile shear wall with low reinforcing rate. The test research also shows that under the action of a major earthquake and a rare earthquake, the reinforcing mortar surface layer strips are damaged before the mother wall of the building block, but the reinforcing steel bars arranged in the surface layer, the through-wall tie bars embedded in the mother wall and the cracked mortar surface layer still support the mother wall, so that the collapse of the mother wall due to the wider cracks is prevented.
The reinforcing mortar surface layer strip can be anchored on the main body frame 1 at the upper and lower floors. The reinforcing mortar surface layer strip can be anchored into the foundation beam at the end of one layer near +/-0.00. The lower ends of the reinforcing mortar surface layer strips of the first layer of the infilled wall 2 extend to the position below the floor and are anchored; the reinforcing mortar surface layer strip below the terrace can be thickened by 10-20mm compared with the reinforcing mortar surface layer strip on the ground, and the reinforcing mortar surface layer strip is anchored into the foundation beam below the terrace to be buried to a depth less than or equal to 500 mm.
In another embodiment, when the reinforced mortar surface layer strip is arranged on one side of the infilled wall 2, the thickness of the reinforced mortar surface layer strip is 25mm-60 mm.
Or the two sides of the infilled wall 2 are both provided with the reinforced mortar surface layer strips, and the thickness of the reinforced mortar surface layer strips is 25mm-40 mm.
The crossed reinforced mortar surface layer strips are all required to be provided with longitudinal stressed steel bars and distribution bars to form a steel bar mesh, the diameter, the number and the spacing of the longitudinal stressed steel bars are determined by calculation, the distribution bars are structural steel bars with phi 6@300 and 500mm, and the upper ends and the lower ends of the distribution bars are anchored on the main body frame 1.
Preferably, the width of the reinforcing mortar surface layer strip is 250mm-500 mm. The thickness of the reinforcing mortar surface layer strip is 25mm-60 mm. The technical personnel in the field can set according to the actual situation. The reinforcement amount is small, the rigidity change is not large, the construction cost is low, the material consumption is small, and the energy conservation, emission reduction and earthquake resistance are facilitated.
The reinforcing mortar surface layer strip can be a reinforcing mortar surface layer strip or a steel strand polymer surface layer strip.
Specifically, when the actual strength of the aerated concrete infilled wall 2 block body to be reinforced is not lower than A3, the actual strength of the solid clay brick and hollow clay brick block body is not lower than MU5 and the surface layer thickness is not more than 25mm, a steel strand polymer surface layer strip is adopted, the thickness of the steel strand polymer surface layer strip is 25mm, the polymer mortar can adopt I-grade or II-grade polymer mortar, the diameter, the number and the interval of longitudinal stress steel bars are determined by calculation, the distribution steel bars are construction steel bars and are phi 6@ 300-shaped and 400mm, and the upper end and the lower end of each distribution steel bar are anchored on a frame beam or a foundation beam.
To the arrangement of reinforcement mortar surface course strip that the slope set up or the arrangement of reinforcement mortar surface course strip of vertical setting, it can be connected with frame roof beam or floor roof beam floor, indulge in the muscle directly anchors into the floor roof beam, the arrangement of reinforcement mortar surface course strip that the slope set up or the arrangement of reinforcement mortar surface course strip's that vertical set up anchor muscle establishes and wears the wall lacing wire. When the single side of the infilled wall 2 is provided with the crossed reinforced mortar surface layer strips, the through-wall tie bars do not penetrate the infilled wall 2, and when the two sides of the infilled wall 2 are provided with the crossed reinforced mortar surface layer strips, the through-wall tie bars penetrate the infilled wall 2 and form a reinforcing mesh with the longitudinal bars and the distribution bars of the reinforced mortar surface layer strips on the two sides of the infilled wall 2, so that the crossed reinforced mortar surface layer strips and the infilled wall 2 can work together to form the combined wall.
When the thickness of the crossed reinforced mortar belt is 35mm-60mm, the mortar strength grade of the reinforced mortar belt is not less than M10.
When the crossed reinforced mortar surface layer strips are steel strand polymer surface layer strips, the thinnest part of the crossed reinforced mortar surface layer strips is 25mm, the polymer mortar adopts I-grade or II-grade polymer mortar, and the strength grade is not lower than M20.
When the crossed reinforced mortar surface layer strips are reinforced concrete surface layer strips, the thickness of the crossed reinforced mortar surface layer strips is more than or equal to 60mm, the concrete is fine aggregate concrete, and the strength grade is more than or equal to C20.
The crossed reinforced mortar surface layer strips can be arranged on short walls such as a wall between windows and the like, the vertical reinforced mortar surface layer strips 4 are arranged on two sides of a door opening and four corners of a house, the upper end and the lower end of each of the X-shaped reinforced mortar surface layer strip 3, the rice-shaped reinforced mortar surface layer strip 5 and the vertical reinforced mortar surface layer strips 4 can be fixedly connected with an upper floor slab and a lower floor slab through a horizontal reinforced mortar surface layer strip respectively, the end, close to +/-0.00, of the first layer of each reinforced mortar surface layer strip below the floor slab needs to extend to be below the floor slab, each side of each reinforced mortar surface layer strip below the floor slab needs to be thickened by 10-20mm, and the reinforced mortar surface layer strips are anchored into a foundation beam which is less than or equal to 500mm below the floor slab.
Preferably, the reinforcing mortar surface layer strip is arranged on the outer side of the infilled wall 2, and the surface of the reinforcing mortar surface layer strip is sprayed with liquid rubber. When earthquake happens, the liquid rubber has an adhesive effect and acts on the filler wall 2 together with the reinforced mortar surface layer strips to bear part of earthquake acting force, so that the damage degree of the filler wall 2 under the earthquake action is reduced. In addition, the liquid rubber can delay the occurrence of shear cracks on the filler wall 2, and has a reinforcing effect on the filler wall 2.
When the filled wall 2 is not expected to be damaged greatly under the action of earthquake, liquid rubber can be sprayed on the outer side of the filled wall, and/or liquid rubber strips can be sprayed on two sides of the reinforcing mortar surface layer strip, wherein the liquid rubber strips are parallel to the reinforcing mortar surface layer strip. Specifically, the reinforcing mortar surface layer strip and the two sides of the reinforcing mortar surface layer strip are respectively sprayed with liquid rubber in the width of 50mm-100 mm. The thickness of the liquid rubber may be 2mm, but may be other thickness values, and is not limited herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (14)
1. A frame infilled wall structure, characterized in that, it includes main body frame (1) and sets up infilled wall (2) in main body frame (1), main body frame (1) includes the structural beam; at least one side of the infilled wall (2) is provided with a reinforced mortar surface layer strip, and longitudinal bars of the reinforced mortar surface layer strip are fixed on the infilled wall (2) or the structural beam through anchoring parts; the anchoring pieces are arranged at two ends of the reinforced mortar surface layer strip.
2. A frame infill wall structure according to claim 1, wherein said reinforced mortar facing strips comprise an X-type reinforced mortar facing strip (3) and a vertical-type reinforced mortar facing strip (4).
3. A frame infill wall structure according to claim 2, wherein said X-shaped mortar facing strips are adapted for infill walls (2) having a wall limb aspect ratio of ≦ 1.5;
when the infilled wall with the wall limb height-width ratio not greater than 1.5 does not contain a door and window opening, the X-shaped reinforced mortar surface layer strip longitudinal bar is fixed on the infilled wall (2) or the structural beam through the anchoring piece, and when the infilled wall (2) with the wall limb height-width ratio not greater than 1.5 contains the door and window opening, the X-shaped reinforced mortar surface layer strip (3) longitudinal bar is fixed on the structural beam through the anchoring piece.
4. The frame infilled wall structure of claim 2, characterized in that, when the longitudinal reinforcement of the X-shaped mortar face strip is fixed on the full section infilled wall (2) without door and window openings by the anchoring member, its end is close to the intersection point of the structural beam and the frame column, the anchor rod in the anchoring member is embedded on the precast concrete block, the longitudinal reinforcement is connected with the anchor rod; when the X-shaped reinforcement mortar surface layer strips (3) are longitudinally fixed on the structural beam through the anchor rods, the anchor rods are embedded in the structural beam, and the longitudinal ribs are connected with the anchor rods.
5. The frame infilled wall structure according to claim 2, characterized in that, set up the side that keeps away from the door and window opening on the infilled wall (2) that contains the door and window opening of X type arrangement of reinforcement mortar surface course strip (3) and fix on the nodical on structure roof beam and frame post, X type arrangement of reinforcement mortar surface course strip (3) is close to the side of door and window opening, and with the door and window opening tangent, the upper end and the lower extreme of the longitudinal reinforcement of arrangement of reinforcement mortar surface course strip are connected with the stock of fixing on the structure roof beam.
6. A frame infill wall structure according to claim 2, wherein said vertical reinforced mortar facing strip (4) is suitable for infill walls (2) having a wall limb aspect ratio of 1.5 or more.
7. The frame infilled wall structure of claim 2, characterized in that, the vertical type reinforcement mortar surface course strip (4) longitudinal bar upper and lower end and the stock of pre-buried on the structure roof beam are connected.
8. The frame infilled wall structure of claim 3, characterized in that, the second floor on the ground and above infilled wall (2) that seismic fortification intensity required 8 degrees and infilled wall (2) that seismic fortification intensity required 6-7 degrees are at least one side of to be provided with X type arrangement of reinforcement mortar surface course strip (3).
9. A frame infilled wall structure according to claim 1, characterised in that one side of the infilled wall (2) is provided with a reinforced mortar facing strip, the thickness of which is 25-60 mm; alternatively, the first and second electrodes may be,
the two sides of the infilled wall (2) are provided with the reinforced mortar surface layer strips, and the thickness of the reinforced mortar surface layer strips is 25-40 mm.
10. The frame infilled wall structure of claim 1, characterized in that, main body frame (1) includes the foundation beam of setting up under the terrace, and the bottom of the reinforcing bar mortar surface course strip on the infill wall (2) of bottommost layer anchor in the foundation beam of under the terrace, the length that the bottom of reinforcing bar mortar surface course strip stretches into the foundation beam of under the terrace is less than or equal to 500 mm.
11. A frame infill wall structure according to claim 1, wherein said strips of reinforced mortar facing have a width of 250mm to 500 mm;
the thickness of the reinforcing mortar surface layer strip is 25-60 mm.
12. A frame infill wall structure according to claim 1, wherein said reinforced mortar facing strip is a reinforced mortar facing strip or a steel strand polymer facing strip.
13. A frame infill wall structure according to claim 1, wherein said reinforcing mortar facing strip is provided on the outside of said infill wall (2), the surface of said reinforcing mortar facing strip being sprayed with liquid rubber.
14. A frame infill wall structure according to claim 13, wherein said infill wall (2) is externally sprayed with liquid rubber or internally sprayed with liquid rubber of 50-100 mm width on either side of said strip of reinforced mortar facing.
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