CN113323446A - Building construction supporting device, monitoring system and dismounting method - Google Patents
Building construction supporting device, monitoring system and dismounting method Download PDFInfo
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- CN113323446A CN113323446A CN202110441159.7A CN202110441159A CN113323446A CN 113323446 A CN113323446 A CN 113323446A CN 202110441159 A CN202110441159 A CN 202110441159A CN 113323446 A CN113323446 A CN 113323446A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
- E04G25/02—Shores or struts; Chocks non-telescopic
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Architecture (AREA)
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- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention provides a building construction supporting device, which comprises transverse channel steel and vertical channel steel, wherein the vertical channel steel is provided with a plurality of left and right vertical channel steel which are connected through a plurality of transverse channel steel, the front and back vertical channel steel are connected through split screws, and the transverse channel steel is sequentially divided into a first transverse channel steel, a second transverse channel steel and a third transverse channel steel from top to bottom, the building construction monitoring system comprises a PLC (programmable logic controller), the PLC is respectively connected with a steel bar detector for obtaining the structural change sensing data of the steel bar, a total station for detecting the inclination condition of a building and a laser position determinator for detecting the target displacement distance, the strainometers are divided into a concrete embedded type strainometer for obtaining the internal sensing data of a wall body and a concrete surface type strainometer for measuring the surface strain of the wall body, a steel structure supporting system is installed, and shear wall concrete needing replacement is eliminated, arranging reinforcing steel bars, installing templates, pouring grouting materials, and carrying out overall monitoring replacement.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a building construction supporting device, a monitoring system and a dismounting method.
Background
The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite.
When a wall body is replaced in the existing building construction process, the stress strength and the surface strain of the wall body cannot be detected in the replacement process, the wall body cannot be supported in the replacement process, and potential safety hazards exist.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a building construction supporting device, a monitoring system and a dismounting method.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a construction strutting arrangement, including horizontal channel-section steel and vertical channel-section steel, vertical channel-section steel is provided with a plurality ofly, control two liang of vertical channel-section steels and link to each other through a plurality of horizontal channel-section steels, two liang of vertical channel-section steels link to each other through the counter-pulling screw rod around, be used for preventing that vertical channel-section steel from producing the local pressure destruction to former concrete wall body, reduce local stress concentration, horizontal channel-section steel divide into first horizontal channel-section steel from top to bottom in proper order, horizontal channel-section steel of second and the horizontal channel-section steel of third, the symmetry is provided with oblique channel-section steel between first horizontal channel-section steel of second, the chute steel passes through angle steel and first horizontal channel-section steel, the horizontal channel-section steel of second links to each other, horizontal channel-section steel, vertical channel-section steel and chute steel construct bearing structure, be used for supporting the replacement to the construction wall body.
Furthermore, the second transverse channel steel is connected with the inclined channel steel in a triangular mode, and a plurality of reinforcing plates are welded in the first transverse channel steel.
Further, the angle steel is "V" type structure, and the centre is 90 degrees contained angles, and the angle steel links to each other through the welded mode with the chute steel, and the angle steel passes through the bolt with first horizontal channel-section steel, the horizontal channel-section steel of second and is connected.
Further, horizontal channel-section steel and vertical channel-section steel are all installed on the wall body, and the floor board between the horizontal channel-section steel of second and the horizontal channel-section steel of third and wall body is laminated mutually.
The utility model provides a building construction monitoring system, includes PLC controller, strainometer and surveyor's level, the PLC controller links to each other with the reinforcing bar detection instrument that is used for obtaining steel bar structure change sensing data, the total powerstation that is used for detecting the building slope situation, the laser position survey appearance of surveying target displacement distance respectively, the strainometer divide into the concrete surface formula strainometer that is used for obtaining the inside sensing data of wall body and is used for wall body surface strain measurement data that is buried strainometer and concrete surface formula strainometer and PLC controller electric connection, and PLC controller electric connection data connection has the surveyor's level that is used for detecting construction wall body structure stability.
Further, the LED touch screen is further included, and the PLC is connected with the LED touch screen.
Furthermore, a measuring building is arranged on one side of the total station, and the distance between the total station and the measuring building is larger than 1.5 times of the height of the measuring building.
Further, the PLC controller is S7-300 in model.
A building construction dismantling method, which is applicable to any one of claims 1 to 7, and comprises the following steps:
the method comprises the following steps: a hole with a certain size is formed in the upper part and the lower part of the floor layer of the adjacent wall body of the processing wall body, and the vertical channel steel is connected with the wall body through a wall by a counter-pulling screw rod and is tightly attached to the wall surface;
step two: sequentially mounting a first transverse channel steel, a second transverse channel steel and a third transverse channel steel between the vertical channel steels from top to bottom, welding a reinforcing plate and an inclined strut steel beam on the transverse steel beam, and mounting a monitoring instrument at a certain position;
step three: replacing the grouting material on the wall, completing concrete construction, and detecting the strength of the grouting material;
step four: and after the strength of the grouting material reaches the design requirement, the beam plate is dismantled from bottom to top.
And further, for the beam plates dismantled at two adjacent sides, dismantling the beam plate at the upper floor after the lower layer is dismantled and the newly poured concrete is constructed and maintained, and alternately dismantling the beam plates at the non-adjacent floors.
Further, the third step comprises the following specific steps:
after the part needing to be poured is subjected to formwork support, adopting a foaming agent to seal and compact all seams and leaving grouting holes and exhaust holes;
when the grouting material is mixed, the proportion of the grouting material to the water adding amount is 100: 13, stirring uniformly;
during pouring, the slurry is poured into the grouting holes and air is exhausted through the exhaust holes;
and after the completion of the water secretion after the completion of the perfusion for 30min, the re-supplement is carried out.
Further, the step two of mounting the monitoring instruments is that the concrete embedded type strain gauge is tied on the reinforcing ribbed steel bars by adopting binding wires, so that the concrete embedded type strain gauge is in a movable state;
adhering the concrete surface type strain gauge to the surface of a wall by adopting epoxy glue, removing floating ash or local scabbling on the surface of a structure before adhering, and installing a steel bar detector on a steel bar;
arranging a total station at a place with a distance 1.5 times greater than the height of the measured building;
and arranging a level gauge at the corresponding position of the upper layer of the undisplaced shear wall, and placing a laser position measuring instrument at one side of the replaced concrete.
Furthermore, vibration is strictly forbidden in the grouting material pouring process, the mixing amount time of each time is within 60min, and no test strictly forbids to mix any other additive or external additive into the grouting material.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts multilayer support, the force borne by the shear wall concrete with the number of layers which does not meet the requirement on strength is transmitted to the next layer of the concrete layer of the shear wall to be replaced through the steel support structure, the load of the concrete layer of the shear wall to be replaced is unloaded, and when the shear wall concrete is replaced, the stress on the whole structure is not disturbed, and the concrete is effectively replaced.
2. According to the invention, the monitoring system is used for replacing the concrete for each floor in sections, deformation monitoring is carried out on the upper structure while the concrete is replaced, and the whole structure is monitored in an inclined manner, so that the safety is improved.
3. The PLC and the LED touch screen can process and analyze received data in time, compare and display the received data, quickly and intuitively know the conditions of all parts, and improve monitoring convenience.
Drawings
The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 is a schematic view illustrating a construction of a construction supporting device according to an embodiment of the present invention;
FIG. 2 schematically illustrates a functional block diagram of a building construction monitoring system according to one embodiment of the present invention;
reference numbers in the figures: the steel plate comprises 1-vertical channel steel, 2-angle steel, 3-inclined channel steel, 4-reinforcing plates, 5-first transverse channel steel, 6-second transverse channel steel and 7-third transverse channel steel.
Detailed Description
It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
An embodiment according to the present invention is shown in conjunction with fig. 1 and 2. A building construction supporting device comprises a plurality of transverse channel steel and vertical channel steel 1, wherein the vertical channel steel 1 is provided with a plurality of left and right pairwise vertical channel steel 1 which are connected through a plurality of transverse channel steel, the front and rear pairwise vertical channel steel 1 are connected through split screws, is used for preventing the vertical channel steel 1 from generating local pressure damage to the original concrete wall body and reducing local stress concentration, the transverse channel steel is sequentially divided into a first transverse channel steel 5, a second transverse channel steel 6 and a third transverse channel steel 7 from top to bottom, inclined channel steel 3 is symmetrically arranged between the first transverse channel steel 5 and the second transverse channel steel 6, the inclined channel steel 3 is connected with the first transverse channel steel 5 and the second transverse channel steel 6 through angle steel 2, the transverse channel steel, the longitudinal channel steel 1 and the inclined channel steel 3 form a supporting structure, the method is used for supporting and replacing the construction wall, and an I-shaped steel support of HW 200X 8X 12 is additionally erected at the position 100MM away from the left side of the wall to be removed.
The horizontal channel-section steel 6 of second is three horn shapes with chute steel 3 and is connected, a plurality of reinforcing plates 4 have been welded in the 5 interior of first horizontal channel-section steel, through setting up to three horn shapes improvement stability, set up a plurality of reinforcing plates 4 and avoid stress concentration, angle steel 2 is "V" type structure, and the centre is 90 degrees contained angles, angle steel 2 links to each other through the welded mode with chute steel 3, angle steel 2 and first horizontal channel-section steel 5, the horizontal channel-section steel 6 of second is connected through the bolt, through bolt assembly easy dismounting, horizontal channel-section steel and vertical channel-section steel 1 all install on the wall body, floor board laminating between the horizontal channel-section steel of second 6 and the horizontal channel-section steel 7 of third and wall body, through laminating with the floor board, support the floor board, prevent that no shear force wall supports floor board deformation fracture.
The utility model provides a building construction monitoring system, including the PLC controller, strainometer and surveyor's level, the PLC controller respectively with be used for obtaining the reinforcing bar detection instrument of steel bar structure change sensing data, a total powerstation for detecting the building slope situation, the laser position survey appearance of surveying target displacement distance links to each other, the strainometer divide into the concrete that is used for obtaining the inside sensing data of wall body and buries formula strainometer and the concrete surface formula strainometer that is used for wall body surface strain measurement data, concrete buries formula strainometer and concrete surface formula strainometer and PLC controller electric connection, PLC controller electric connection data connection has and is used for detecting the steady surveyor's level of construction wall body structure.
The LED touch screen, the PLC controller links to each other with the LED touch screen, carry out the analysis through the LED touch screen to the data of monitoring, simultaneously through each monitoring components and parts of touch screen control, total powerstation one side is provided with measures the building, the total powerstation is placed and is greater than 1.5 times of measuring the building height apart from measuring the distance of building, place the total powerstation position, make the building within detection range, improve the monitoring accuracy, the PLC controller model is S7-300PLC, the PLC controller carries out the analytical calculation to the monitoring data.
A building construction dismantling method, which is applicable to any one of claims 1 to 7, and comprises the following steps:
the method comprises the following steps: a hole with a certain size is formed in the upper part and the lower part of the floor layer of the adjacent wall body of the processing wall body, and the vertical channel steel is connected with the wall body through a wall by a counter-pulling screw rod and is tightly attached to the wall surface; step two: sequentially mounting a first transverse channel steel, a second transverse channel steel and a third transverse channel steel between the vertical channel steels from top to bottom, welding a reinforcing plate and an inclined strut steel beam on the transverse steel beam, and mounting a monitoring instrument at a certain position; step three: replacing the grouting material on the wall, completing concrete construction, and detecting the strength of the grouting material; step four: and after the strength of the grouting material reaches the design requirement, removing the beam plates from bottom to top, removing the beam plates of the upper floor after the lower layer is removed and the newly poured concrete is constructed and maintained, and alternately removing the beam plates of the non-adjacent floors.
The third step comprises the following specific steps: after the formwork of the part to be poured is completed, adopting a foaming agent to seal and compact all seams, reserving grouting holes and exhaust holes, and pouring grouting material at a slow and constant speed so as to facilitate air removal; when the grouting material is mixed, the proportion of the grouting material to the water adding amount is 100: 13, stirring uniformly; during pouring, the slurry is poured into the grouting holes and air is exhausted through the exhaust holes; and (3) after 30min of pouring is finished and after the water bleeding is finished, re-compensation is carried out, vibration is strictly forbidden in the pouring process of the grouting material, vibration is avoided before the formwork is removed, the mixing time of each time is within 60min, and any other additive or external additive is not strictly forbidden to be mixed into the grouting material after a test.
In the embodiment, when the monitoring instrument is installed, the concrete embedded type strain gauge is tied on the reinforcing ribbed steel bar by adopting a binding wire, so that the concrete embedded type strain gauge is in a movable state; adhering the concrete surface type strain gauge to the surface of a wall by adopting epoxy glue, removing floating ash or local scabbling on the surface of a structure before adhering, and installing a steel bar detector on a steel bar; arranging a total station at a place with a distance 1.5 times greater than the height of the measured building; and arranging a level gauge at the corresponding position of the upper layer of the undisplaced shear wall, and placing a laser position measuring instrument at one side of the replaced concrete.
As an embodiment of the invention, when the wall body is supported by the steel supporting structure, holes need to be formed on the upper and lower parts of the adjacent wall body floor slabs for processing the wall body, the size of the holes meets the installation requirement of the vertical channel steel 1, the vertical channel steel 1 is positioned and arranged according to a certain position, the same vertical channel steel 1 is arranged at two sides of the wall body, the vertical channel steel 1 of the through-wall connecting groove of the split screw prevents the steel beam from generating local pressure damage to the original concrete wall body through a plurality of reinforcing plates 4, reduces local stress concentration, after the vertical channel steel 1 is installed, positioning and installation of the transverse channel steel are carried out, the first transverse channel steel 5, the second transverse channel steel 6 and the third transverse channel steel 7 are installed in sequence, the shear wall body is dismantled after installation is completed, concrete construction is carried out after dismantling, the concrete construction is completed, and after the strength of grouting material reaches design requirements, the underpinning support of the whole wall body is dismantled.
According to the embodiment of the invention, when floors are detected, the internal stress of the shear wall is measured through the concrete embedded type strain gauge, the stress of the concrete surface type strain gauge on the surface of the shear wall is detected, the structural change of a steel bar in the concrete is detected through the steel bar detector, the whole building inclination condition is detected through the total station, the stability of the wall body being constructed is detected through the level gauge, the target position distance is detected through the laser position detector, the data are transmitted to the PLC, the PLC processes and calculates the received data, the data are displayed through the LED touch screen, and workers carry out construction through the detected data.
The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.
Claims (11)
1. The utility model provides a construction strutting arrangement, a serial communication port, including horizontal channel-section steel and vertical channel-section steel (1), vertical channel-section steel (1) are provided with a plurality ofly, control two liang of vertical channel-section steel (1) and link to each other through a plurality of horizontal channel-section steels, two liang of vertical channel-section steels (1) link to each other through the split screw rod around, the split bolt prevents that vertical channel-section steel (1) from producing the local pressure destruction to former concrete wall body, reduce local stress concentration, be provided with oblique channel-section steel (3) between the horizontal channel-section steel, vertical channel-section steel (1) and oblique channel-section steel (3) constitute and are used for supporting the bearing structure who replaces construction wall body.
2. The building construction supporting device is characterized in that the transverse channel steels are sequentially divided into a first transverse channel steel (5), a second transverse channel steel (6) and a third transverse channel steel (7) from top to bottom, oblique channel steels (3) are symmetrically arranged between the first transverse channel steel (5) and the second transverse channel steel (6), and the oblique channel steels (3) are connected with the first transverse channel steel (5) and the second transverse channel steel (6) through angle steels (2).
3. The construction supporting device as claimed in claim 2, wherein the second transverse channel (6) is connected with the inclined channel (3) in a triangular shape, and a plurality of reinforcing plates (4) are welded in the first transverse channel (5).
4. The building construction supporting device as claimed in claim 1 or 2, wherein the angle steel (2) is of a V-shaped structure, the middle of the angle steel is at an included angle of 90 degrees, the angle steel (2) is connected with the chute steel (3) in a welding mode, and the angle steel (2) is connected with the first transverse channel steel (5) and the second transverse channel steel (6) through bolts.
5. The building construction supporting device according to claim 1, wherein the transverse channel steel and the vertical channel steel (1) are installed on a wall body, and the second transverse channel steel (6) and the third transverse channel steel (7) are attached to a floor slab between the wall body.
6. The utility model provides a building construction monitoring system, its characterized in that, includes PLC controller, strainometer and surveyor's level, the PLC controller links to each other with the reinforcing bar detection instrument that is used for obtaining steel bar structure change sensing data, the total powerstation that is used for detecting the slope situation of building, the laser position survey appearance of surveying target displacement distance respectively, the strainometer divide into the concrete that is used for obtaining the inside sensing data of wall body and burys the strainometer and is used for wall body surface strain measurement data's concrete surface formula strainometer, and concrete burys formula strainometer and concrete surface formula strainometer and PLC controller electric connection, and PLC controller electric connection data connection has the surveyor that is used for detecting construction wall body stable in structure.
7. The building construction monitoring system of claim 6, further comprising an LED touch screen, wherein the PLC is connected to the LED touch screen.
8. The building construction monitoring system according to claim 6, wherein said total station is provided with a measuring building at one side, and the total station is placed at a distance from the measuring building greater than 1.5 times the height of the measuring building.
9. A method for dismounting construction, which is applicable to any claim from 1 to 8, and comprises the following steps:
the method comprises the following steps: a hole with a certain size is formed in the upper part and the lower part of the floor layer of the adjacent wall body of the processing wall body, and the vertical channel steel is connected with the wall body through a wall by a counter-pulling screw rod and is tightly attached to the wall surface;
step two: sequentially mounting a first transverse channel steel, a second transverse channel steel and a third transverse channel steel between the vertical channel steels from top to bottom, welding a reinforcing plate and an inclined strut steel beam on the transverse steel beam, and mounting a monitoring instrument at a certain position;
step three: replacing the grouting material on the wall, completing concrete construction, and detecting the strength of the grouting material;
step four: and after the strength of the grouting material reaches the design requirement, the beam plate is dismantled from bottom to top.
10. The building construction dismounting method according to claim 9, characterized in that the concrete steps of the third step are:
(1) after the part needing to be poured is subjected to formwork support, adopting a foaming agent to seal and compact all seams and leaving grouting holes and exhaust holes;
(2) when the grouting material is mixed, the proportion of the grouting material to the water adding amount is 100: 13, stirring uniformly;
(3) during pouring, the slurry is poured into the grouting holes and air is exhausted through the exhaust holes;
(4) and after the completion of the water secretion after the completion of the perfusion for 30min, the re-supplement is carried out.
11. The method for assembling and disassembling a building construction according to claim 9, wherein the step of installing the two pairs of monitoring instruments includes tying the concrete embedded strain gauge to a reinforcing ribbed steel bar by using a binding wire, so that the concrete embedded strain gauge is in a movable state;
adhering the concrete surface type strain gauge to the surface of a wall by adopting epoxy glue, removing floating ash or local scabbling on the surface of a structure before adhering, and installing a steel bar detector on a steel bar;
arranging a total station at a place with a distance 1.5 times greater than the height of the measured building;
and arranging a level gauge at the corresponding position of the upper layer of the undisplaced shear wall, and placing a laser position measuring instrument at one side of the replaced concrete.
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| CN202110441159.7A CN113323446B (en) | 2021-04-23 | 2021-04-23 | Building construction supporting device, monitoring system and dismounting method |
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| CN114234901A (en) * | 2021-11-30 | 2022-03-25 | 中建四局第一建设有限公司 | Information monitoring method and system for dismantling and modifying super high-rise building |
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| CN113323446B (en) | 2023-08-15 |
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