CN210622366U - Underpinning processing device for damaged reinforced concrete column - Google Patents
Underpinning processing device for damaged reinforced concrete column Download PDFInfo
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- CN210622366U CN210622366U CN201921010952.6U CN201921010952U CN210622366U CN 210622366 U CN210622366 U CN 210622366U CN 201921010952 U CN201921010952 U CN 201921010952U CN 210622366 U CN210622366 U CN 210622366U
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Abstract
A underpinning treatment device for a damaged reinforced concrete column comprises a bracket and a supporting steel column, wherein the bracket comprises a steel sleeve and a steel base plate connected with the steel sleeve, and the steel sleeve is fixed on the intact column above the damaged reinforced concrete column; when the damaged reinforced concrete column is treated, the bearing force which the damaged reinforced concrete column is subjected to is transferred to the supporting steel column, the steel base plate is positioned above the supporting steel column, and the supporting steel column and the damaged reinforced concrete column are arranged in parallel; the damaged reinforced concrete column comprises a concrete column body to be replaced and/or a concrete column body to be reinforced. The device also comprises a support which is arranged in the space after the concrete in the concrete column to be replaced is chiseled. The utility model discloses a bracket realizes supporting to use the use of chiseling mode and support during the replacement reinforced concrete cylinder, make the structure that needs to replace reinforced concrete cylinder top more stable, thereby reach the purpose of safe replacement.
Description
Technical Field
The utility model belongs to the technical field of the building, a maintenance of reinforced concrete cylinder is related to, especially, relate to a processing apparatus is traded in underpinning of impaired reinforced concrete cylinder.
Background
Since the advent of the world, concrete has been one of the major building materials, and reinforced concrete structures have also been the most widely used form of construction in construction. When a reinforced concrete structure is manufactured, the quality of the reinforced concrete structure is likely to be unqualified due to various reasons, and the upper-layer building is already constructed, so that the concrete column with quality problems needs to be replaced, reinforced and the like. Many replacement methods exist in the prior art, but how to implement safety is a technical problem which is not solved by the prior art.
SUMMERY OF THE UTILITY MODEL
In order to realize safe processing reinforced concrete cylinder, the processing procedure can include replacement and or reinforcement to the reinforced concrete cylinder, for this reason, the utility model provides a processing apparatus is traded in underpinning of impaired reinforced concrete cylinder.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the underpinning treatment device for the damaged reinforced concrete column comprises a bracket and a supporting steel column, wherein the bracket comprises a steel sleeve and a steel base plate connected with the steel sleeve, and the steel sleeve is fixed on the intact column above the damaged reinforced concrete column; when the damaged reinforced concrete cylinder is treated, the bearing force which the damaged reinforced concrete cylinder is subjected to is transferred to the supporting steel column, the steel backing plate is positioned above the supporting steel column, and the supporting steel column and the damaged reinforced concrete cylinder are arranged in parallel; the damaged reinforced concrete column comprises a concrete column body to be replaced and/or a concrete column body to be reinforced, and when the damaged reinforced concrete column body comprises the concrete column body to be replaced, the device further comprises a support bracket, the support bracket is arranged in a space formed by chiseling out concrete in the concrete column body to be replaced, and two ends of the support bracket respectively abut against the upper end face and the lower end face of the space formed by chiseling out the concrete in the concrete column body to be replaced.
The position of the lugs is defined, and the lugs are respectively arranged in four corners of the column body.
And limiting the positions and the number of the supporting steel columns, wherein the supporting steel columns are arranged on all floors of the damaged reinforced concrete column body from the same floor and the level to the foundation layer or the concrete shear wall.
The steel bushing is fixed on the column body through a through bolt, the steel backing plate is a plurality of blocks and is arranged on the outer edge of the steel bushing in an annular array mode, the steel backing plate is arranged above a steel column to be supported, a bolt hole is formed in the thickness direction of the steel backing plate, when the steel bushing and the damaged reinforced concrete column body are not located on the same floor, the device further comprises a stiffening rib, the stiffening rib is vertically fixed on the side face of the steel bushing and the steel backing plate, a first anchor bolt in the bolt hole further penetrates through the floor and is connected with the top of the supporting steel column, and when the steel bushing and the damaged reinforced concrete column body are located on the same floor, the first anchor bolt in the bolt hole is connected with the top of the supporting steel column.
And the jacking mechanisms are limited, and the jacking mechanisms are arranged between the supporting base plates below the corresponding supporting steel columns and the floors.
Optimally, after the steel sleeve is sleeved on the column body, glue is injected into the hole of the opposite-penetrating bolt.
Preferably, the first anchor bolt is a chemical anchor bolt.
Preferably, the lug is U-shaped in cross section perpendicular to the length direction.
Preferably, the jacking mechanism is a jack.
The utility model has the advantages that:
(1) the utility model discloses a support is realized through the bracket to the device to use when replacing the reinforced concrete cylinder to chisel the use of mode and support bracket, can guarantee that whole process is very safe, when only concrete material is unqualified, need not replace original steel construction, the cost when also having practiced thrift the whole replacement of cylinder, and at the chisel in-process, the inside structure of cylinder has also played the effect of support, make the structure that needs to replace reinforced concrete cylinder top more stable, thereby reach the purpose of safe replacement.
(2) The utility model discloses well support steel column not only sets up on impaired reinforced concrete cylinder place layer, still sets up on all layers in the below, because support the steel column when supporting superstructure, can be to the superstructure application of force, when not setting up the support steel column in the substructure, can injure the structure to impaired reinforced concrete cylinder place layer.
(3) For satisfying the processing requirement of impaired reinforced concrete cylinder, the utility model provides a bracket structure can also set up with the layer with the setting of impaired reinforced concrete cylinder cross-layer.
(4) The utility model discloses use the climbing mechanism cooperation to uninstall the bearing capacity on the impaired reinforced concrete cylinder.
(5) The steel plate is used for enhancing the contact area between the support bracket and the corresponding non-chiseled part, the support effect is improved, and the later pouring of new concrete is not influenced.
(6) The glue is used for connecting the through bolt and the concrete column.
(7) The support is U-shaped, so that the contact area between the support and poured concrete can be increased.
Drawings
Fig. 1 is a current state view of a damaged reinforced concrete column in a building structure.
Fig. 2 is a structural diagram of the device after installation.
Fig. 3 is a partial right side view of fig. 2 where the corbel is located.
Fig. 4 is a top view of the corbel as it is mounted on the post.
Fig. 5 is a sequence diagram of a cross section perpendicular to the length direction of a concrete column body to be replaced in the right-side replacement process.
Fig. 6 is a sequence diagram of the left-hand portion of the concrete column to be replaced.
The notations in the figures have the following meanings:
1-Beam 2-damaged reinforced concrete column 21-concrete column to be replaced
22-concrete column to be reinforced 23-steel structure
3-concrete wall 4-foundation layer or concrete shear wall
5-bracket 51-steel sleeve 52-steel backing plate 521-bolt hole 53-opposite-penetrating bolt
54-stiffener 55-chemical anchor
6-supporting steel column 61-supporting base plate 62-jack
71-first chiseled area 72-second chiseled area
73-third chiseled area 74-fourth chiseled area
75-first replacement region 76-second replacement region
77-first casting 78-second casting
81-first support 82-second support 83-third support 84-fourth support
Detailed Description
Example 1
As shown in fig. 1-6, the reinforced concrete building is composed of a beam 1, a column and a concrete wall 3. The embodiment mainly provides a device for underpinning a damaged reinforced concrete column, which comprises a bracket 5 and a supporting steel column 6, wherein the bracket 5 comprises a steel sleeve 51 and a steel backing plate 52 connected with the steel sleeve 51. The steel sleeve 51 is fixed on a perfect column above the damaged reinforced concrete column 2 through the opposite penetrating bolt 53, and optimally, after the steel sleeve 51 is sleeved on the column, glue is injected into the hole of the opposite penetrating bolt 53.
When the damaged reinforced concrete cylinder 2 is processed, the bearing force which the damaged reinforced concrete cylinder 2 is subjected to is transferred to the supporting steel column 6, the steel backing plate 52 is positioned above the supporting steel column 6, and the supporting steel column 6 is arranged in parallel with the damaged reinforced concrete cylinder 2; the damaged reinforced concrete column 2 includes a concrete column 21 to be replaced and a concrete column 22 to be reinforced. The device further comprises a rest which is arranged in the space where the concrete in the concrete column 21 to be replaced has been chiseled away. The two ends of the bracket respectively abut against the upper and lower end faces of the space where the concrete in the concrete cylinder 21 to be replaced is chiseled. Specifically, the lugs are respectively arranged in four corners of the column body. In order to improve the contact surface contacting both ends of the support steel column 6, both ends of the bracket in the height direction are further provided with support base plates 61. The lug is 10# channel steel used in this embodiment.
And supporting steel columns 6 are arranged on all floors from the same floor of the damaged reinforced concrete column 2 to the foundation layer or the concrete shear wall 4 at the same level and at the same level. For example, when impaired reinforced concrete cylinder 2 was located the 3 rd floor, and impaired reinforced concrete cylinder 2 was longer, and bracket 5 just set up the floor top at the 4 th floor this moment, all set up support steel column 6 between basal layer to the 3 rd floor, and the vertical projection coincidence of all support steel columns 6.
The steel backing plates 52 are multiple and arranged in an annular array at the outer edge of the steel sleeve 51, and in the embodiment, the steel backing plates 52 are 2 and arranged at two sides of the steel sleeve 51 according to the length direction of the beam 1. The steel base plates 52 are all arranged above the steel column 6 to be supported, bolt holes 521 are arranged in the thickness direction of the steel base plates 52, and the thickness direction of the steel base plates 52 is parallel to the height direction. When the steel jacket 51 and the damaged reinforced concrete column 2 are not on the same floor, the device further comprises a stiffening rib 54, the stiffening rib 54 is vertically fixed on the side face of the steel jacket 51 and the steel backing plate 52, the first anchor bolt in the bolt hole 521 also penetrates through the floor to be connected with the top of the supporting steel column 6, and when the steel jacket 51 and the damaged reinforced concrete column 2 are on the same floor, the first anchor bolt in the bolt hole 521 is connected with the top of the supporting steel column 6. In this embodiment, the first anchor is a chemical anchor 55.
Jacking mechanisms are arranged between the supporting base plates 61 below the corresponding supporting steel columns 6 and the floors. In this embodiment, the jacking mechanism uses jacks 62.
Example 2
The difference from the embodiment 1 is that the damaged reinforced concrete column 2 includes only the concrete column 21 to be replaced.
Example 3
The difference from the embodiment 1 is that the damaged reinforced concrete column 2 includes only the concrete column 22 to be reinforced. In this embodiment, no lug need be used. The rebound value of the used material inside the concrete column 22 to be reinforced is C20, and the rebound value of the reinforced material used after the outside is chiseled off is C60, so that it can be ensured that the overall strength of the reinforced concrete column after reinforcement can reach even higher than the strength corresponding to the rebound value of the used material C35.
Example 4
As shown in fig. 5 to 6, when the damaged reinforced concrete column 2 is to be replaced only, using the method of underpinning the damaged reinforced concrete column as described in example 2, the concrete column 21 to be replaced is replaced as follows:
SA1, determining a concrete column body needing to be replaced and a position needing to be replaced, determining the positions of the steel sleeve 51, the bracket 5 and the supporting steel column 6, and installing the steel sleeve 51, the bracket 5 and the supporting steel column 6 until the bearing force which the damaged reinforced concrete column body 2 is subjected to is transferred to the supporting steel column 6;
SA2, chiseling one corner of the concrete cylinder 21 to be replaced to form a first chiseled area 71, leaving the steel structure 23 in the concrete cylinder 21 to be replaced, then placing a first bracket 81 support in the chiseled corner, then chiseling the other corner of the same side of the concrete cylinder 21 to be replaced to form a second chiseled area 72, then placing a second bracket 82 support in the chiseled corner; then chiseling all the concrete on the same side of the two concrete cylinders on which the first support 81 and the second support 82 are placed to form a first replacement area 75, in this embodiment, a half area of the whole concrete cylinder 21 to be replaced, and then adopting a set material for grouting and pouring to form a first pouring body 77, and recovering the original shape of the concrete cylinder 21 to be replaced;
SA3, after the strength of the grouting material in the step SA2 reaches the set ratio of the designed strength, the set value is 75% in the embodiment, and therefore the quality is guaranteed under the condition of saving working hours. And the other side of the concrete column 21 to be replaced is sequentially chiseled to generate a third chiseled area 73, a third support 83 is placed in the third chiseled area 73, a fourth chiseled area 74 is chiseled to generate a fourth support 84, the other half area of the concrete column 21 to be replaced is chiseled to form a second replacement area 76, and finally, second pouring is formed by pouring, so that the replacement work of the whole concrete column 21 to be replaced is completed.
The rebound value of the setting material used in steps SA2 and SA3 was C60 high strength grout.
Example 5
When the damaged reinforced concrete column 2 only needs to be reinforced by using the method for underpinning the damaged reinforced concrete column as described in embodiment 3, the concrete column 22 to be reinforced is reinforced, which specifically comprises the following steps:
SB1, determining the concrete column to be reinforced and the position to be reinforced, determining the positions of the steel sleeve 51, the bracket 5 and the support steel column 6, and installing the steel sleeve 51, the bracket 5 and the support steel column 6 until the bearing force applied to the concrete column 22 to be reinforced is transferred to the support steel column 6;
SB2, chiseling the set thickness from the outer surface to the inner surface of the concrete column 22 to be reinforced, and reserving the steel structure 23 in the concrete column 22 to be reinforced;
SB3, casting by using the setting material, and restoring to the original size of the concrete column 22 to be reinforced.
The material rebound value used in step SB2 was set to C60 high strength grout.
Example 6
Using the method for underpinning the damaged reinforced concrete column as described in example 1, when the damaged reinforced concrete column includes the concrete column 21 to be replaced and the concrete column 22 to be reinforced, the specific steps are as follows:
SA1, determining a concrete column body needing to be replaced and a position needing to be replaced, determining the positions of the steel sleeve 51, the bracket 5 and the supporting steel column 6, and installing the steel sleeve 51, the bracket 5 and the supporting steel column 6 until the bearing force which the damaged reinforced concrete column body 2 is subjected to is transferred to the supporting steel column 6;
SA2, chiseling one corner of the concrete cylinder 21 to be replaced to form a first chiseled area 71, leaving the steel structure 23 in the concrete cylinder 21 to be replaced, then placing a first bracket 81 support in the chiseled corner, then chiseling the other corner of the same side of the concrete cylinder 21 to be replaced to form a second chiseled area 72, then placing a second bracket 82 support in the chiseled corner; then chiseling all the concrete on the same side of the two concrete cylinders on which the first support 81 and the second support 82 are placed to form a first replacement area 75, in this embodiment, a half area of the whole concrete cylinder 21 to be replaced, and then adopting a set material for grouting and pouring to form a first pouring body 77, and recovering the original shape of the concrete cylinder 21 to be replaced;
SA3, after the strength of the grouting material in the step SA2 reaches the set ratio of the designed strength, the set value is 75% in the embodiment, and therefore the quality is guaranteed under the condition of saving working hours. And the other side of the concrete column 21 to be replaced is sequentially chiseled to generate a third chiseled area 73, a third support 83 is placed in the third chiseled area 73, a fourth chiseled area 74 is chiseled to generate a fourth support 84, the other half area of the concrete column 21 to be replaced is chiseled to form a second replacement area 76, and finally, a second casting body 78 is formed by casting, so that the replacement work of the whole concrete column 21 to be replaced is completed.
SA4, chiseling a set thickness from the outer surface to the inner surface of the concrete column 22 to be reinforced; the set thickness is calculated according to the concrete structure reinforcement design standard.
SA5, casting with setting material, and restoring to the original size of the concrete column 22 to be reinforced.
At the end of examples 4-6, the original structure should be restored after all the displaced and/or reinforced concrete reaches 80% of the designed strength after the construction is finished. Such as the removal of the bracket and the support, the repair of the structure at the joint of each support and the bracket, and the cleaning of the construction site.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (9)
1. The underpinning treatment device for the damaged reinforced concrete column is characterized by comprising a bracket (5) and a supporting steel column (6), wherein the bracket (5) comprises a steel sleeve (51) and a steel base plate (52) connected with the steel sleeve (51), and the steel sleeve (51) is fixed on the intact column above the damaged reinforced concrete column (2); when the damaged reinforced concrete column body (2) is treated, the bearing force which the damaged reinforced concrete column body (2) is subjected to is transferred to the supporting steel column (6), the steel base plate (52) is positioned above the supporting steel column (6), and the supporting steel column (6) and the damaged reinforced concrete column body (2) are arranged in parallel; the damaged reinforced concrete column (2) comprises a concrete column (21) to be replaced and/or a concrete column (22) to be reinforced, and when the damaged reinforced concrete column comprises the concrete column (21) to be replaced, the device further comprises a support, the support is arranged in a space formed by chiseling the concrete in the concrete column (21) to be replaced, and two ends of the support respectively abut against the upper end face and the lower end face of the space formed by chiseling the concrete in the concrete column (21) to be replaced.
2. The underpinning treatment device of a damaged reinforced concrete column as claimed in claim 1, wherein said brackets are respectively arranged in four corners of the column.
3. The underpinning treatment device of a damaged reinforced concrete column as claimed in claim 1, characterized in that the damaged reinforced concrete column (2) is provided with supporting steel columns (6) on the same floor and at the same level down to the foundation floor or all floors of the concrete shear wall (4).
4. The underpinning treatment device for the damaged reinforced concrete column as claimed in claim 1, wherein the steel jacket (51) is fixed on the column by means of the opposite-through bolts (53), the steel backing plate (52) is a plurality of steel plates and is arranged in a circular array at the outer edge of the steel jacket (51), the steel backing plates (52) are all arranged above the steel column (6) to be supported, the steel backing plate (52) is provided with bolt holes (521) in the thickness direction, when the steel jacket (51) and the damaged reinforced concrete column (2) are not at the same floor, the device further comprises stiffening ribs (54), the stiffening ribs (54) are vertically fixed on the side surface of the steel jacket (51) and the steel backing plate (52), the first bolt in the bolt hole (521) is connected with the top of the supporting steel column (6) through the floor, when the steel jacket (51) and the damaged reinforced concrete column (2) are at the same floor, and a first anchor bolt in the bolt hole (521) is connected with the top of the supporting steel column (6).
5. The underpinning treatment device of a damaged reinforced concrete column as claimed in claim 4, characterized in that jacking mechanisms are arranged between the supporting base plate (61) below the corresponding supporting steel column (6) and the floor.
6. The underpinning treatment device of a damaged reinforced concrete column as claimed in claim 1, characterized in that said steel jacket (51) is injected with glue in the hole of the opposite bolt (53) after being sleeved on the column.
7. Underpinning treatment device for damaged reinforced concrete columns according to claim 4, characterized in that said first anchor is a chemical anchor (55).
8. The apparatus for underpinning a damaged reinforced concrete column as claimed in claim 1, wherein said lug is U-shaped in cross section perpendicular to the length direction.
9. The underpinning treatment device of a damaged reinforced concrete column as claimed in claim 5, wherein said jacking mechanism is a jack (62).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921010952.6U CN210622366U (en) | 2019-07-01 | 2019-07-01 | Underpinning processing device for damaged reinforced concrete column |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921010952.6U CN210622366U (en) | 2019-07-01 | 2019-07-01 | Underpinning processing device for damaged reinforced concrete column |
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| CN210622366U true CN210622366U (en) | 2020-05-26 |
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| CN201921010952.6U Active CN210622366U (en) | 2019-07-01 | 2019-07-01 | Underpinning processing device for damaged reinforced concrete column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374349A (en) * | 2019-07-01 | 2019-10-25 | 安徽省建筑科学研究设计院 | A kind of impaired armored concrete cylinder underpins processing unit and its application method |
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2019
- 2019-07-01 CN CN201921010952.6U patent/CN210622366U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374349A (en) * | 2019-07-01 | 2019-10-25 | 安徽省建筑科学研究设计院 | A kind of impaired armored concrete cylinder underpins processing unit and its application method |
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