CN211735888U - Prefabricated shear wall unit of assembled and connection structure of assembled shear wall structure - Google Patents

Prefabricated shear wall unit of assembled and connection structure of assembled shear wall structure Download PDF

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Publication number
CN211735888U
CN211735888U CN201922134961.2U CN201922134961U CN211735888U CN 211735888 U CN211735888 U CN 211735888U CN 201922134961 U CN201922134961 U CN 201922134961U CN 211735888 U CN211735888 U CN 211735888U
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shear wall
vertical
precast shear
unit
connecting piece
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CN201922134961.2U
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Inventor
余少乐
杨钦
陈新喜
王俊轶
李赟
雷克
潘钧俊
郭志鑫
熊浩
吴光辉
崔一鹏
张友杰
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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Abstract

The utility model discloses a joint construction of assembled precast shear wall unit and assembled shear wall structure, shear wall unit include precast shear wall, precast shear wall's top is equipped with the notch that supplies watering horizontal connection unit, precast shear wall's bottom is equipped with vertical anchor rod, precast shear wall's both sides tip do not is equipped with horizontal connection muscle and installs steel construction connecting piece, horizontal connection muscle with steel construction connecting piece anchor, steel construction connecting piece is in precast shear wall's both sides tip does not define the vertical space of pouring that supplies vertical watering the connecting unit. The utility model provides a precast shear wall connects the mode that adopts cast-in-place or grout, has avoided the problem that the reinforcing bar can not counterpoint, has reduced the counterpoint degree of difficulty between reinforcing bar and the sleeve when on-the-spot hoist and mount of precast shear wall by a wide margin, has promoted hookup location's reliability and construction speed.

Description

Prefabricated shear wall unit of assembled and connection structure of assembled shear wall structure
Technical Field
The utility model relates to a building structure's assembled structure technical field especially relates to a connection structure of prefabricated shear wall unit of assembled and assembled shear wall structure.
Background
The prefabricated concrete structure is a concrete structure formed by assembling and connecting prefabricated components serving as main stress components. The assembled reinforced concrete structure is one of the important directions for the development of building structures in China, is beneficial to the development of industrialization of buildings in China, improves the production efficiency, saves energy and develops green and environment-friendly buildings. Compared with a cast-in-place construction method, the assembly type PC structure is beneficial to green construction, because the assembly type construction can better meet the requirements of land saving, energy saving, material saving, water saving, environmental protection and the like of the green construction, the negative effects on the environment are reduced, including noise reduction, dust prevention, environmental pollution reduction, clean transportation, field interference reduction, water, electricity, material and other resources and energy sources, and the principle of sustainable development is followed.
The shear wall structure can have higher lateral stiffness, can effectively bear higher horizontal load, and is a structural form which is adopted by the existing building structure. Through reasonable arrangement of the shear wall members, the overall rigidity of the building structure can be enhanced, the bearing capacity of the building structure is improved, and the shear wall member is widely applied to high-rise and super high-rise buildings.
At present, in the construction process of a common fabricated shear wall structure, a construction method of prefabricating a wall body in a factory, hoisting on site and pouring on site at a node is mainly adopted. The vertical connection mode of the prefabricated wall body mainly comprises the connection of a grout anchor and a grouting sleeve; the reinforcing bars of the prefabricated wall body are often more and the reinforcing bar diameter is less, so that the difficulty of aligning the wall body and a grouting hole channel is greater during field hoisting, and phenomena such as blockage easily occur in the grouting process, and the connection performance of the wall body is influenced. The horizontal connection mode of the prefabricated wall body mainly adopts the steps that additional connecting steel bars are reserved at the edge of the wall body, and a connection area is cast in situ; the reinforcing steel bars at the connecting positions are relatively densely configured, so that the connecting process is high in hoisting difficulty, complex in assembling process, difficult to control the field construction quality and great in hidden danger to the safety of the structure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses mainly be to prior art's not enough, provide a connection structure of prefabricated shear force wall unit of assembled and assembled shear force wall structure, can effectual guarantee construction quality, promoted hookup location's reliability and construction speed.
The utility model discloses the technical scheme who adopts does:
the utility model provides an assembled precast shear wall unit, its includes precast shear wall, precast shear wall's top is equipped with the notch that supplies watering horizontal connection unit, precast shear wall's bottom is equipped with vertical anchor rod, precast shear wall's both sides tip do not is equipped with horizontal connection muscle and installs the steel construction connecting piece, horizontal connection muscle with steel construction connecting piece anchor, the steel construction connecting piece is in precast shear wall's both sides tip does not define the vertical space of pouring that supplies watering vertical connection unit.
In some embodiments of the fabricated shear wall unit, the horizontal connection units are cast in situ using concrete or grout.
In some embodiments of the fabricated shear wall unit, the vertical connecting units are cast in sections in situ using concrete or grouting material.
In some embodiments of the fabricated shear wall unit, a horizontal tie bar is connected between the two side walls of the slot.
In some embodiments of the fabricated shear wall unit, the slot is trapezoidal or rectangular in shape.
In some embodiments of the fabricated precast shear wall unit, the notch is continuously arranged in a penetrating manner along the width direction of the lower precast shear wall.
In some embodiments of the fabricated precast shear wall unit, the notches are arranged in sections along the width direction of the lower precast shear wall.
In some embodiments of the fabricated precast shear wall unit, a vertical rib and a stud are arranged in the steel structure connecting piece, the stud is welded and fixed on the inner side surface of the steel structure connecting piece, and the vertical rib penetrates through a vertical pouring space inside the steel structure connecting piece.
A connection configuration for a fabricated shear wall structure, comprising: the prefabricated shear wall structure is characterized in that a groove is reserved at the top of the lower prefabricated shear wall, a horizontal connection unit is poured in the groove, vertical anchor bars are reserved at the bottom of the upper prefabricated shear wall, the vertical anchor bars are inserted into and anchored in the horizontal connection unit, the horizontal connection bars are reserved at the two side end parts of the lower prefabricated shear wall and the upper prefabricated shear wall respectively, steel structure connecting pieces are installed on the two side end parts of the upper prefabricated shear wall, the horizontal connection bars are anchored by the steel structure connecting pieces, the steel structure connecting pieces are located at the two side end parts of the lower prefabricated shear wall and the upper prefabricated shear wall respectively define a vertical pouring space, and the vertical connection unit is poured in the vertical pouring space.
The utility model discloses owing to adopt above-mentioned technical scheme, make it have following beneficial effect:
1. the utility model provides a vertical connection of prefabricated shear wall body adopts cast-in-place or grout mode, and the vertical anchor bar of upper story prefabricated shear wall bottom directly buries in the preformed groove at one deck of prefabricated shear wall top down, has avoided the problem that the reinforcing bar can not counterpoint, has reduced the counterpoint degree of difficulty between reinforcing bar and the sleeve when prefabricated shear wall hoists on-the-spot by a wide margin, can effectual guarantee construction quality, has promoted the reliability and the construction speed of hookup location;
2. the utility model provides a prefabricated shear wall's tip hidden column region adopts steel construction connecting piece and the mode of pouring concrete or grout material to form with the prefabricated shear wall and is connected, and the horizontal connecting rib of prefabricated shear wall directly anchors into in the steel construction connecting piece, and is provided with vertical muscle and peg in the steel construction connecting piece, makes steel construction connecting piece and prefabricated shear wall form a good whole, not only can save the trouble of formwork, and steel construction connecting piece itself can promote the bearing capacity in shear wall hidden column region by a wide margin;
3. the utility model provides a horizontal connection unit can pour at first, then insert the precast shear wall of upper story in the preformed groove of one deck precast shear wall down, avoided the grout not really reach the problem that can't carry out the quality inspection. The material for cast-in-place can adopt fine aggregate concrete or premixed high-strength grouting material;
4. the utility model provides a vertical linkage unit can accomplish at the steel construction connecting piece of precast shear wall tip and connect the back segmentation and pour, because steel construction connecting piece holds concurrently as the template, need not other formwork, has very big flexibility.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a front schematic view of a connection structure of an assembled shear wall structure according to an embodiment of the present invention.
Fig. 2 is a schematic top view of a connection structure of an assembled shear wall structure according to an embodiment of the present invention (the horizontal tie bars of the notches are not shown in the figure).
Fig. 3 is a schematic cross-sectional view taken at 1-1 in fig. 2.
Fig. 4 is a schematic cross-sectional view taken at 2-2 in fig. 2.
Fig. 5 is a schematic perspective view of an assembled prefabricated shear wall unit according to the embodiment of the present invention.
Fig. 6 is a schematic perspective view of the steel structure connecting member in the embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-6, the embodiment of the utility model provides a connection structure of assembled prefabricated shear wall unit and assembled shear wall structure, wherein, assembled prefabricated shear wall unit mainly comprises prefabricated shear wall 10, steel structural connection piece 11, horizontal connection unit 12, vertical linkage unit 13. The precast shear wall 10 is a concrete precast shear wall, a notch 14 with an upward opening is reserved at the top, and the notch may be trapezoidal, rectangular, and the like, and in this embodiment, is trapezoidal, and the short side of the notch faces upward. A plurality of horizontal tie bars 141 are connected between the side walls of the two sides of the groove opening 14 at the top of the precast shear wall 10. The notches 14 are arranged along the width direction of the precast shear wall 10, and the notches 14 can be arranged to be continuously communicated or be arranged in sections.
The other three surfaces of the prefabricated shear wall 10 are provided with anchor bars, the bottom of the prefabricated shear wall is provided with vertical anchor bars 15, and the two sides of the prefabricated shear wall are provided with horizontal connecting bars 16. When connecting the upper and lower two-layer precast shear wall 10, the vertical anchor bars 15 at the bottom of the upper layer precast shear wall 10 are inserted into the notches 14 reserved at the top of the lower layer precast shear wall 10, the horizontal connection units 12 can be formed by pouring concrete or high-strength grouting material into the notches 14, the horizontal connection units 12 can be poured at first, and then the vertical anchor bars 15 at the bottom of the upper layer precast shear wall 10 are inserted into the notches 14 at the top of the lower layer precast shear wall 10 in time before the horizontal connection units 12 are solidified, so that the upper and lower two-layer precast shear wall 10 is connected into a whole through the vertical anchor bars 15 and the horizontal connection units 12, and the problems that grouting is not real and quality inspection cannot be performed are avoided. The cast-in-place material can adopt fine aggregate concrete or premixed high-strength grouting material.
The hidden column areas at the end parts of the two sides of the prefabricated shear wall 10 are connected with the prefabricated shear wall 10 in a mode of adopting a steel structure connecting piece 11 and pouring concrete or grouting materials, the horizontal connecting ribs 16 at the end parts of the two sides of the prefabricated shear wall 10 are directly anchored into the steel structure connecting piece 11, and the steel structure connecting piece 11 is internally provided with vertical ribs 17 and studs 18, so that the steel structure connecting piece 11 and the prefabricated shear wall 10 form a good whole, the trouble of supporting a formwork can be omitted, and the bearing capacity of the hidden column areas of the shear wall can be greatly improved by the steel structure connecting piece 11. In specific construction, after horizontal connection of the prefabricated shear walls 10 at the upper side and the lower side is completed, the steel structure connecting pieces 11 are respectively installed at the two side ends of the prefabricated shear walls 10, the steel structure connecting pieces 11 respectively define vertical pouring spaces at the two side ends of the prefabricated shear walls 10, the vertical connecting units 13 can be formed by adopting concrete or high-strength grouting materials to be poured in the vertical pouring spaces in sections on site, and the vertical connecting units 13 and the studs 18 on the inner side surfaces of the steel structure connecting pieces 11 are integrally pulled. Further, before the steel structure connecting piece 11 is installed, vertical ribs 17 can be bound on horizontal connecting ribs 16 on two sides of the prefabricated shear wall 10 in advance, so that the bearing capacity of the hidden column areas on two sides of the shear wall is improved. In this embodiment, the steel structure connecting member 11 has a cross-section in a [ -shape as shown in fig. 6, and is sleeved at both side ends of the prefabricated shear wall 10 to form two vertical casting spaces for casting the vertical connecting units 13 in sections. Therefore, the steel structure connecting piece 11 can be used as a template, and no additional formwork is needed when the hidden column areas on the two sides of the prefabricated shear wall are constructed, so that the flexibility is high, and the construction is greatly simplified.
Wherein, the section of the steel structure connecting piece 11 can be in "[", "L" or "" I "" shape, and the inside is provided with a stud 18 for increasing the connection. The L-shaped steel structure connecting piece is adopted when the shear wall is designed into the shape of the I, and the L-shaped steel structure connecting piece is adopted when the shear wall is designed into the shape of the T or the L.
As shown in fig. 1, a connection structure of an assembled shear wall structure is shown, which is composed of an upper prefabricated shear wall 10 and a lower prefabricated shear wall 10, a steel structure connecting member 11, a horizontal connecting unit 12 and a vertical connecting unit 13, and can be formed by connecting the upper prefabricated shear wall unit and the lower prefabricated shear wall unit in the above embodiment. Specifically, as shown in fig. 2 to 6, a notch 14 is reserved at the top of the lower prefabricated shear wall 10, a horizontal connection unit 12 is poured in the notch 14, a vertical anchor bar 15 is reserved at the bottom of the upper prefabricated shear wall 10, the vertical anchor bar 15 is inserted into and anchored in the horizontal connection unit 12 in the notch 14 at the top of the lower prefabricated shear wall 10, horizontal connection bars 16 and steel structure connection pieces 11 are respectively reserved at two side ends of the lower prefabricated shear wall 10 and the upper prefabricated shear wall 10, the horizontal connection bars 16 are anchored with the steel structure connection pieces 11, a vertical pouring space is respectively defined by the steel structure connection pieces 11 at two side ends of the lower prefabricated shear wall 10 and the upper prefabricated shear wall 10, and a vertical connection unit 13 is poured in the vertical pouring space.
And as shown in figures 1-6, the utility model also provides a connection construction method of the fabricated shear wall structure, adopts the connection realization of the fabricated shear wall structure, and has the following concrete steps:
step 1: a first layer of precast shear wall 10 is installed. Inserting anchor bars at the bottom of the prefabricated shear wall 10 into grooves reserved in a foundation, and temporarily fixing;
step 2: binding vertical steel bars at two ends of the prefabricated shear wall, wherein 2-3 layers of vertical steel bars can be used as a section for binding, and enough anchoring and overlapping length is reserved;
and step 3: concrete or grouting material is poured into a notch 14 reserved at the top of the first layer of prefabricated shear wall 10, the second layer of prefabricated shear wall 10 is installed in time after leveling, when the second layer of prefabricated shear wall 10 is installed, the vertical anchor bars 15 at the bottom of the second layer of prefabricated shear wall 10 are directly inserted into the notch 14 at the upper part of the first layer of prefabricated shear wall 10, and then temporary fixation is carried out;
and 4, step 4: installing steel structure connecting pieces 11 at two ends of the shear wall, and pouring concrete or grouting material in the steel structure connecting pieces 11, so that a complete shear wall is completed;
and 5: and (4) performing the subsequent processes according to the steps 1-4, pouring concrete or grouting material on the prefabricated shear wall on the second layer, installing a prefabricated shear wall on the third layer, binding vertical steel bars at two ends of the prefabricated shear wall, installing a steel structure connecting piece, and pouring concrete or grouting material in the steel structure connecting piece. And the installation and construction of the whole shear wall are finished by parity of reasoning.
The utility model discloses a connection structure and construction method of assembled shear wall structure compares in prior art's advantage and mainly lies in:
1. the utility model provides a vertical connection of prefabricated shear wall body adopts cast-in-place or grout mode, and the vertical anchor bar of upper story prefabricated shear wall bottom directly buries in the preformed groove at one deck of prefabricated shear wall top down, has avoided the problem that the reinforcing bar can not counterpoint, has reduced the counterpoint degree of difficulty between reinforcing bar and the sleeve when prefabricated shear wall hoists on-the-spot by a wide margin, can effectual guarantee construction quality, has promoted the reliability and the construction speed of hookup location;
2. the utility model provides a prefabricated shear wall's tip hidden column region adopts steel construction connecting piece and the mode of pouring concrete or grout material to form with the prefabricated shear wall and is connected, and the horizontal connecting rib of prefabricated shear wall directly anchors into in the steel construction connecting piece, and is provided with vertical muscle and peg in the steel construction connecting piece, makes steel construction connecting piece and prefabricated shear wall form a good whole, not only can save the trouble of formwork, and steel construction connecting piece itself can promote the bearing capacity in shear wall hidden column region by a wide margin;
3. the utility model provides a horizontal connection unit can pour at first, then insert the precast shear wall of upper story in the preformed groove of one deck precast shear wall down, avoided the grout not really reach the problem that can't carry out the quality inspection. The material for cast-in-place can adopt fine aggregate concrete or premixed high-strength grouting material;
4. the utility model provides a vertical linkage unit can accomplish at the steel construction connecting piece of precast shear wall tip and connect the back segmentation and pour, because steel construction connecting piece holds concurrently as the template, need not other formwork, has very big flexibility.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the equivalent embodiment without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims (9)

1. The utility model provides an assembled precast shear wall unit which characterized in that: including the precast shear wall, the top of precast shear wall is equipped with the notch that supplies to water the horizontal connection unit, the bottom of precast shear wall is equipped with vertical anchor rod, the both sides tip of precast shear wall does not be equipped with the horizontal connection muscle and installs the steel construction connecting piece, the horizontal connection muscle with the steel construction connecting piece anchor, the steel construction connecting piece is in the both sides tip of precast shear wall does not define the vertical space of pouring that supplies to water the vertical connection unit.
2. The fabricated shear wall unit of claim 1, wherein the horizontal connection units are cast in place using concrete or grout.
3. The fabricated shear wall unit of claim 1, wherein the vertical connection units are cast in sections in situ using concrete or grout.
4. The fabricated precast shear wall unit of claim 1, wherein horizontal lacing bars are connected between the side walls of the notches.
5. The fabricated precast shear wall unit of claim 1, wherein the notches are trapezoidal or rectangular in shape.
6. The fabricated precast shear wall unit of claim 1, wherein the notches are provided to be continuous therethrough in a width direction of the precast shear wall at a lower level.
7. The fabricated precast shear wall unit of claim 1, wherein the notches are provided in sections in a width direction of the precast shear wall at a lower level.
8. The assembly type precast shear wall unit of claim 1, wherein a vertical rib and a stud are arranged in the steel structure connecting piece, the stud is welded and fixed on the inner side surface of the steel structure connecting piece, and the vertical rib penetrates through a vertical pouring space inside the steel structure connecting piece.
9. A connection structure of an assembled shear wall structure, comprising: the prefabricated shear wall structure is characterized in that a groove is reserved at the top of the lower prefabricated shear wall, a horizontal connection unit is poured in the groove, vertical anchor bars are reserved at the bottom of the upper prefabricated shear wall, the vertical anchor bars are inserted into and anchored in the horizontal connection unit, the horizontal connection bars are reserved at the two side end parts of the lower prefabricated shear wall and the upper prefabricated shear wall respectively, steel structure connecting pieces are installed on the two side end parts of the upper prefabricated shear wall, the horizontal connection bars are anchored by the steel structure connecting pieces, the steel structure connecting pieces are located at the two side end parts of the lower prefabricated shear wall and the upper prefabricated shear wall respectively define a vertical pouring space, and the vertical connection unit is poured in the vertical pouring space.
CN201922134961.2U 2019-12-03 2019-12-03 Prefabricated shear wall unit of assembled and connection structure of assembled shear wall structure Active CN211735888U (en)

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CN201922134961.2U CN211735888U (en) 2019-12-03 2019-12-03 Prefabricated shear wall unit of assembled and connection structure of assembled shear wall structure

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Application Number Priority Date Filing Date Title
CN201922134961.2U CN211735888U (en) 2019-12-03 2019-12-03 Prefabricated shear wall unit of assembled and connection structure of assembled shear wall structure

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CN211735888U true CN211735888U (en) 2020-10-23

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