CN216974264U - Masonry structure - Google Patents
Masonry structure Download PDFInfo
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- CN216974264U CN216974264U CN202122145225.4U CN202122145225U CN216974264U CN 216974264 U CN216974264 U CN 216974264U CN 202122145225 U CN202122145225 U CN 202122145225U CN 216974264 U CN216974264 U CN 216974264U
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Abstract
The utility model relates to a masonry structure, which comprises an additional constructional column, an additional ring beam, a steel pull rod and an anchor bar with a hook, and is characterized in that: the external constructional columns are distributed at the four corners of the house, the joints of the outer wall and the transverse wall, and the staircases and the corresponding corners of the irregular plane are arranged; the additional constructional column is communicated along the full height of the house; the setting height of the external ring beam is equal to the floor (house) cover, the external constructional column and the ring beam are integrally cast, and a closed whole is formed along the periphery of the floor; when the steel pull rod is anchored in the externally-added ring beam, the end plate is embedded in the ring beam by adopting an anchor plate or is embedded in the ring beam by adopting a steel pull rod with a hook; the anchor slurry of the steel pull rod, the steel pull rod with the hook and the anchor bar with the hook in the anchor hole of the wall body is grouted by cement-based antirust mortar.
Description
Technical Field
The utility model relates to a masonry structure, and belongs to the technical field of comprehensive reconstruction of existing buildings.
Background
The existing masonry structure house is reinforced in earthquake-proof mode, and a reinforcing method that reinforced concrete constructional columns, ring beams and inner transverse walls and steel pull rods are additionally arranged on outer walls is generally adopted. After multiple earthquake verification, the method is safe and reliable, the ductility of the structure is obviously improved, and the collapse resistance of the structure is enhanced. Earthquake-proof reinforcement is generally carried out in primary and secondary schools in China after Wenchuan earthquake, and earthquake-proof reinforcement implementation planning is also listed in old residences. More than 80% of the buildings adopt a binding type reinforcing scheme for brick-concrete structures, and are also very suitable. The utility model is mainly explained by aiming at the fact that a masonry structure is additionally arranged on an outer wall.
SUMMERY OF THE UTILITY MODEL
The utility model provides a masonry structure, which is mainly used for enhancing the connection strength of the joint parts of constructional columns, ring beams and steel pull rods additionally arranged on an outer wall.
The technical scheme of the utility model is as follows:
the utility model provides a masonry structure, includes plus constructional column, plus ring roof beam, steel pull rod, takes crotch anchor bar, its characterized in that: the external constructional columns are distributed at the four corners of the house, the joints of the outer wall and the transverse wall, and the staircases and the corresponding corners of the irregular plane are arranged; the external constructional column is connected with an external ring beam or a steel pull rod to form a closed system; the additional constructional column is communicated along the full height of the house; the concrete strength grade of the additional constructional column is not lower than C30; the setting height of the external ring beam is equal to the floor system, and the external constructional column and the ring beam are integrally cast to form a closed whole along the periphery of the floor; two ends of the steel pull rod arranged along the transverse wall are anchored into an external constructional column, a ring beam or an original wall body; the length of the steel pull rod arranged along the end part of the inner longitudinal wall is not less than that of the two compartments; when the steel pull rod is anchored in the externally-added ring beam, the end plate is embedded in the ring beam by adopting an anchor plate or is embedded in the ring beam by adopting a steel pull rod with a hook; the anchor slurry of the steel pull rod, the steel pull rod with the hook and the anchor bar with the hook in the anchor hole of the wall body is grouted by cement-based antirust mortar.
Furthermore, the additional constructional column is not provided with a foundation independently and extends into 500mm below the outdoor ground or is connected with a foundation ring beam with the buried depth of less than 500 mm.
Furthermore, the additional constructional column adopts a section of 240mm multiplied by 180mm or 300mm multiplied by 150mm, and the thickness is not less than 120 mm.
Furthermore, the longitudinal steel bars at the corners of the additional constructional columns are 12 phi 12 and are arranged in double rows.
Furthermore, the steel pull rods arranged in the single-sided corridor are anchored on the wall bodies on two sides of the corridor.
Furthermore, when each bay of the steel tie rods is provided with a transverse wall, the steel tie rods with the diameter of 2 phi 12 are adopted at least at intervals, and when the multi-bay has the transverse wall, the steel tie rods on the two sides of the transverse wall are not smaller than phi 14.
Furthermore, the anchoring length of the steel pull rod with the hook is not less than 35 times of the diameter of the steel pull rod.
Furthermore, the anchor plate is a cold-rolled steel plate with the thickness of 80mm multiplied by 8mm, and the depth of the anchor plate embedded in the ring beam is not less than 50 mm.
Furthermore, the diameter of the anchor hole of the anchor bar with the hook is 18-25 mm, and the anchoring depth is 150-200 mm.
Furthermore, when the cement-based antirust mortar is a cement-based super-toughness composite material prepared from polyvinyl alcohol fibers, the material properties are shown in the following table.
Performance chart of polyvinyl alcohol fiber material
Furthermore, the cement base material antirust mortar for crack pouring is added with a water reducing agent to prepare compact mortar, the mixing volume ratio of polyvinyl alcohol fibers is not more than 2%, and the adding amount of the polyvinyl alcohol fibers in each cubic meter of the cement base material antirust mortar is 0.6-1.9 kg;
furthermore, the configuration strength of the cement-based antirust mortar is not less than M10.
Furthermore, the concrete strength grade of the external ring beam is not lower than C30, the steel bars are hot rolled steel bars of HPB300 or HRB335 grade, the height of the section of the external ring beam is not less than 180mm, and the width of the external ring beam is not less than 120 mm.
Furthermore, the stirrup is phi 6, and the distance is 150-200 mm.
The masonry structure and the construction method thereof adopt the following steps:
the method comprises the following steps: and (5) blanking according to a design drawing.
Step two: and (3) removing the shortenings, greasy dirt or the veneer layer of the wall surface before the construction of the external constructional column, the external ring beam and the steel pull rod, and plastering and reinforcing the wall surface to be constructed.
Step three: and (3) before the external constructional column, the external ring beam and the steel pull rod are poured, the steel bar arrangement, the arrangement of the anchor bars with hooks, the anchoring tie and the template support are checked to be qualified, and then concrete pouring construction is carried out.
Step four: the ends of the externally-added constructional column, the externally-added ring beam and the steel pull rod are continuously poured, and construction joints are strictly forbidden at the transverse wall within 1000mm from the steel pull rod.
Step five: and the top of the external ring beam is well flooded outwards, and the bottom surface of the external ring beam is provided with a water dripping groove.
Step six: the steel pull rod is tensioned and anchored in an externally-added constructional column or a ring beam, and exposed iron pieces are subjected to rust prevention treatment.
Has the advantages that:
the most obvious advantage of the utility model is that the arrangement of the external ring beam and the external constructional column is vertically centered, the planes pull through the new and the old structures and are reliably connected with each other, the common stress is ensured, and the rigidity mutation of each layer is prevented. The method is suitable for non-ultrahigh and non-ultralimit masonry structures, and the ratio of the earthquake shear effect to each wall after reinforcement is less than 1.
Drawings
FIG. 1 is a schematic plan view of a masonry structure;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a sectional view of fig. 2 taken along line 1-1.
In the figure, 1: externally adding a constructional column; 2: an external ring beam; 3: a steel tie rod; 4: anchor bars with hooks; 5: an anchor plate; 6: hooping; 7: and longitudinal steel bars at corners.
Detailed Description
A masonry structure, as shown in figures 1 to 3, comprises an external constructional column 1, an external ring beam 2, a steel pull rod 3 and an anchor bar 4 with a hook; the external constructional columns 1 are distributed at the four corners of the house, the joints of the outer wall and the transverse wall, and the staircases and the corresponding corners of the irregular plane are arranged; the externally-added constructional column 1, an externally-added ring beam 2 and a steel pull rod 3 are connected into a closed system; the externally-added constructional column 1 is communicated along the full height of the house; the concrete strength grade of the additional constructional column 1 is not lower than C30; the height of the external ring beam 2 is equal to the floor, the external constructional column 1 and the external ring beam 2 are integrally cast, and a closed whole is formed along the periphery of the floor; two ends of the steel pull rod 3 arranged along the transverse wall are anchored into the external constructional column 1, the external ring beam 2 or the original wall body; the length of the steel pull rod 3 arranged along the end part of the inner longitudinal wall is not less than that of the two bays; when the steel pull rod 3 is anchored in the externally-added ring beam 2, the end plate is embedded in the externally-added ring beam 2 by adopting an anchor plate 5 or is embedded in the externally-added ring beam 2 by adopting a steel pull rod with a hook; the anchor slurry of the steel pull rod 3, the steel pull rod with the hook and the anchor bar 4 with the hook in the anchor hole of the wall body is grouted by cement-based antirust mortar.
Furthermore, the additional constructional column 1 is not provided with a foundation independently and extends 500mm below the outdoor ground or is connected with a foundation ring beam with the buried depth of less than 500 mm.
Further, the additional constructional column 1 adopts a section of 240mm multiplied by 180mm or 300mm multiplied by 150mm, and the thickness is not less than 120 mm.
Furthermore, the longitudinal steel bars 7 at the corners of the external constructional column 1 adopt 12 phi 12 and are arranged in double rows.
Furthermore, the steel pull rods 3 arranged in the single-sided corridor are anchored on the wall bodies on two sides of the corridor.
Furthermore, when each bay of the steel tie rods 3 is provided with a transverse wall, the steel tie rods 3 with the diameter of 2 phi 12 are adopted at least at intervals, and when the multi-bay has the transverse wall, the steel tie rods 3 on two sides of the transverse wall are not smaller than phi 14.
Further, the anchoring length of the steel pull rod with the hook is not less than 35 times of the diameter of the steel pull rod 3.
Furthermore, the anchor plate 5 is a cold-rolled steel plate with the thickness of 80mm multiplied by 8mm, and is embedded into the outer ring beam 2 to the depth of not less than 50 mm.
Furthermore, the diameter of the anchor hole of the anchor bar 4 with the hook is 18 mm-25 mm, and the anchoring depth is 150 mm-200 mm.
Furthermore, when the cement-based antirust mortar is a cement-based super-toughness composite material prepared from polyvinyl alcohol fibers, the material properties are shown in the following table.
Performance chart of polyvinyl alcohol fiber material
Furthermore, the cement base material antirust mortar for crack pouring is added with a water reducing agent to prepare compact mortar, the mixing volume ratio of polyvinyl alcohol fibers is not more than 2%, and the adding amount of the polyvinyl alcohol fibers in each cubic meter of the cement base material antirust mortar is 0.6-1.9 kg;
furthermore, the configuration strength of the cement-based antirust mortar is not less than M10.
Furthermore, the concrete strength grade of the external ring beam 2 is not lower than C30, the steel bars are hot rolled steel bars of HPB300 or HRB335 grade, the height of the section of the external ring beam 2 is not less than 180mm, and the width of the section of the external ring beam is not less than 120 mm.
Furthermore, the stirrup 6 is phi 6, and the distance is 150-200 mm.
The masonry structure and the construction method thereof adopt the following steps:
the method comprises the following steps: and (5) blanking according to a design drawing.
Step two: before the construction of the external constructional column 1, the external ring beam 2 and the steel pull rod 3, the shortness alkali, oil stain or the veneer layer of the wall surface is removed, and the wall surface to be constructed is plastered and reinforced.
Step three: and (3) before the external constructional column 1, the external ring beam 2 and the steel pull rod 3 are poured, the steel bar arrangement, the arrangement of anchor bars with hooks, the anchoring tie, the template support and the like are checked to be qualified, and then concrete pouring construction is carried out.
Step four: the end parts of the external constructional column 1, the external ring beam 2 and the steel pull rod 3 are continuously poured, and construction joints are not strictly reserved at the transverse wall within 1000mm away from the steel pull rod 3.
Step five: the top of the external ring beam 2 is well watered outwards, and the bottom surface is provided with a water dripping groove.
Step six: the steel pull rod 3 is tensioned and anchored in the externally-added constructional column 1 or the externally-added ring beam 2, and exposed iron pieces are subjected to rust prevention treatment.
The above is a typical embodiment of the present invention, and the specific implementation of the present invention is not limited thereto.
Claims (8)
1. A masonry structure characterized in that: comprises an external constructional column (1), an external ring beam (2), a steel pull rod (3) and an anchor bar (4) with a hook; the external constructional columns (1) are distributed at the four corners of the house, the joints of the outer wall and the transverse wall, and the staircases and the corresponding corners of the irregular plane are arranged; the external constructional column (1) is connected with the external ring beam (2) and the steel pull rod (3) to form a closed system; the externally-added constructional column (1) is communicated along the full height of the house; the concrete strength grade of the additional constructional column (1) is not lower than C30; the height of the external ring beam (2) is equal to the floor, the external constructional column (1) and the external ring beam (2) are integrally cast, and a closed whole is formed along the periphery of the floor; when the steel pull rod (3) is arranged along the transverse wall, two ends of the steel pull rod are anchored into the external constructional column (1), the external ring beam (2) or the original wall body; when the steel pull rod (3) is arranged along the end part of the inner longitudinal wall, the length of the steel pull rod (3) is not less than two bays; when the steel pull rod (3) is anchored in the externally-added ring beam (2), the end plate is embedded in the externally-added ring beam (2) by adopting an anchor plate (5) or is embedded in the externally-added ring beam (2) by adopting a steel pull rod with a hook; the anchor slurry of the steel pull rod (3), the steel pull rod with the hook and the anchor bar with the hook (4) in the anchor hole of the wall body is grouted by cement-based antirust mortar.
2. The masonry structure of claim 1, wherein: the additional constructional column (1) adopts a section of 240mm multiplied by 180mm or 300mm multiplied by 150mm, and the thickness is not less than 120 mm.
3. The masonry structure of claim 1, wherein: the longitudinal steel bars (7) at the corners of the additional constructional column (1) adopt 12 phi 12 and are arranged in double rows.
4. The masonry structure according to claim 1, wherein: when each bay of the steel pull rod (3) is provided with a transverse wall, the steel pull rods (3) with the diameter of 2 phi 12 are adopted at least at intervals, and when the multi-bay has the transverse wall, the steel pull rods (3) at the two sides of the transverse wall are not less than phi 14.
5. The masonry structure according to claim 1, wherein: the anchoring length of the steel pull rod with the hook is not less than 35 times of the diameter of the steel pull rod (3).
6. The masonry structure according to claim 1, wherein: the anchor plate (5) is a cold-rolled steel plate with the thickness of 80mm multiplied by 8mm and is embedded into the external ring beam (2) to the depth of not less than 50 mm.
7. The masonry structure according to claim 1, wherein: the diameter of the anchor hole of the anchor bar (4) with the hook is 18 mm-25 mm, and the anchoring depth is 150 mm-200 mm.
8. The masonry structure of claim 1, wherein: the concrete strength grade of the external ring beam (2) is not lower than C30, the steel bars are hot rolled steel bars of HPB300 or HRB335 grade, the height of the section of the external ring beam (2) is not less than 180mm, and the width of the external ring beam is not less than 120 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122145225.4U CN216974264U (en) | 2021-09-03 | 2021-09-03 | Masonry structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122145225.4U CN216974264U (en) | 2021-09-03 | 2021-09-03 | Masonry structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216974264U true CN216974264U (en) | 2022-07-15 |
Family
ID=82337831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122145225.4U Active CN216974264U (en) | 2021-09-03 | 2021-09-03 | Masonry structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216974264U (en) |
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2021
- 2021-09-03 CN CN202122145225.4U patent/CN216974264U/en active Active
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