CN112663958A - Levelness monitoring device and method for floor slab pouring bottom formwork - Google Patents
Levelness monitoring device and method for floor slab pouring bottom formwork Download PDFInfo
- Publication number
- CN112663958A CN112663958A CN202110106181.6A CN202110106181A CN112663958A CN 112663958 A CN112663958 A CN 112663958A CN 202110106181 A CN202110106181 A CN 202110106181A CN 112663958 A CN112663958 A CN 112663958A
- Authority
- CN
- China
- Prior art keywords
- floor slab
- reading
- cross
- shaped base
- levelness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 33
- 238000009415 formwork Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 21
- 238000005266 casting Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Images
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a levelness monitoring device and a levelness monitoring method for a floor slab pouring bottom formwork, and solves the problem of how to monitor the change condition of the horizontal parallelism of the floor slab bottom formwork. A poured lower floor plate is arranged below a floor plate bottom template (9), a cross-shaped base (6) and a lower sleeve (1) are arranged on the lower floor plate, a pressure spring (5) is arranged in the lower sleeve (1), the lower end of an upper lifting rod (2) is abutted to the upper end of the pressure spring (5), a jacking bracket (10) is arranged at the top end of the upper lifting rod (2), the jacking bracket (10) is movably abutted to the lower bottom surface of the floor plate bottom template (9), a strip hole (3) is arranged on the pipe wall of the lower sleeve (1) along the vertical direction, and a graduated scale (4) is arranged on the pipe wall outside the strip hole (3); the floor slab bottom template can be corrected in time, the levelness of the poured floor slab is guaranteed, and the construction efficiency is effectively improved.
Description
Technical Field
The invention relates to a bottom template of a cast-in-place concrete building floor plate, in particular to a device and a method for monitoring levelness change of a casting template of the cast-in-place concrete building floor plate in the concrete casting process.
Background
The floor slab of the cast-in-place concrete building is formed by erecting a floor slab bottom template, and then pouring concrete on the floor slab bottom template, wherein the floor slab bottom template of the pouring layer is erected on a stand column, the bottom end of the stand column is supported on the next constructed floor slab, an adjustable jackscrew is arranged at the top end of the stand column, and the upper end of the adjustable jackscrew is connected with the bottom template of the floor slab in a jacking manner; when concrete is poured on the floor slab bottom formwork, the horizontal parallelism of the same floor slab bottom formwork is possibly changed due to the pouring impact force of the concrete and the downward leakage nonuniformity of the concrete, namely, one corner of the same floor slab bottom formwork is possibly settled, and the corresponding corner is tilted, so that the horizontal flatness of the floor slab after the concrete is poured and formed at the position is caused to be problematic, the poured and formed bottom formwork needs to be trimmed after the bottom formwork is detached, and the problem of difficult trimming also exists during trimming; therefore, in the concrete pouring process of the floor slab and before the initial setting of the concrete of the floor slab, how to realize the real-time monitoring of the change of the horizontal parallelism of the bottom template of the floor slab, and the adjustment of the levelness of the template is carried out by adjusting the adjustable jackscrew under the bottom template in time according to the monitoring result, which becomes a problem to be solved urgently on site.
Disclosure of Invention
The invention provides a levelness monitoring device and a levelness monitoring method for a floor slab pouring bottom formwork, and solves the technical problem of how to monitor the change condition of the horizontal parallelism of the floor slab bottom formwork.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: erecting three upright columns for testing the settlement of the templates on the lower bottom surface of a concrete pouring bottom template of the same floor plate, connecting the top contact points of the three upright columns for testing the settlement of the templates on the lower bottom surface of the concrete pouring bottom template to form a triangular shape, realizing the real-time monitoring of the settlement of the templates in the concrete pouring process, and adjusting the templates in time according to the monitoring result to ensure that the levelness of the templates meets the design requirement; the column for testing the settlement of the template consists of a lower sleeve and an upper lifting rod, the upper lifting rod is movably inserted in the lower sleeve, a pressure spring is arranged in the lower sleeve at the lower end of the upper lifting rod, the lower end of the upper lifting rod is abutted to the pressure spring, a strip hole in the vertical direction is arranged on the pipe wall of the lower sleeve, a graduated scale is arranged on the pipe wall outside the strip hole, a horizontally arranged indicating rod arranged on the upper lifting rod is movably arranged in the strip hole, the bottom end of the column for testing the settlement of the template is arranged on a lower floor plate which is arranged below the template and is poured, the upper end of the column for testing the settlement of the template is abutted to the lower bottom surface of the pouring bottom template, and when the template is settled or tilted, the horizontally arranged indicating rod arranged in the strip hole can indicate the settlement of the template.
The utility model provides a floor board pours levelness monitoring devices of die block board, including floor board die block board, be provided with the lower floor board of pouring completion in the below of floor board die block board, be provided with the cross base on lower floor board, welded connection has the lower part sleeve pipe on the cross base, be provided with the pressure spring in the lower part sleeve pipe, the lower extreme of upper portion lifter inserts the back from lower part sheathed tube last port downwards, the top connects in the upper end of pressure spring, be provided with the top on the top of upper portion lifter, the top holds in the palm the activity top and connects on the lower bottom surface of floor board die block board, on the pipe wall of lower part sleeve pipe, along upper and lower direction, be provided with the rectangular hole, be provided with the scale on the pipe wall in the rectangular hole outside, in the rectangular hole, the activity is provided with the indicator lever of horizontal direction, the medial extremity and the upper portion lifter fixed connection of indicator lever are in the same.
A level gauge is arranged on the cross-shaped base; a pair of strip holes are symmetrically arranged on the pipe wall of the lower sleeve by taking the central axis of the lower sleeve as a symmetry axis; in a pair of rectangular holes, a pair of indicating rods are symmetrically arranged by taking the central axis of the lower sleeve as a symmetry axis.
A method for monitoring the levelness of a floor slab pouring bottom formwork by a levelness monitoring device of the floor slab pouring bottom formwork is characterized by comprising the following steps of:
the method comprises the following steps that firstly, three test points are selected on a lower floor plate right below a bottom template of the same floor plate, and the three test points are connected to form a triangle;
secondly, placing a first cross-shaped base on the first test point, adjusting the first cross-shaped base to be in a horizontal state through a level gauge on the first cross-shaped base, supporting an upper lifting rod on the first cross-shaped base to be connected to the lower bottom surface of a floor slab bottom template in a propping mode, and reading the reading N1-1 of an indication rod in a strip hole in a lower sleeve on a graduated scale;
thirdly, placing a second cross-shaped base on the second test point, adjusting the second cross-shaped base to be in a horizontal state through a level gauge on the second cross-shaped base, supporting an upper lifting rod on the second cross-shaped base to be in abutting joint with the lower bottom surface of the floor slab bottom template, and reading the reading N2-1 of an indication rod in a strip hole in the lower sleeve on the graduated scale;
fourthly, placing a third cross-shaped base on the first test point, adjusting the third cross-shaped base to be in a horizontal state through a level gauge on the third cross-shaped base, simultaneously supporting the top of an upper lifting rod on the third cross-shaped base to be connected to the lower bottom surface of the floor plate bottom template in a propping manner, and reading the reading N3-1 of an indication rod in a strip hole on the lower sleeve on the graduated scale;
and fifthly, after concrete pouring on the floor slab bottom template is finished, regularly observing and recording: reading N1-2 of an indicating rod in the first levelness monitoring device on a graduated scale, and comparing the reading N1-1 with the reading N1-2 to obtain the settlement or upwarp amount E1 of a top support on the first levelness monitoring device at the top joint point of the bottom template of the floor slab; reading N2-2 of an indicating rod in the second levelness monitoring device on the graduated scale, and comparing the reading N2-1 with the reading N2-2 to obtain the settlement or upwarp amount E2 of the jacking of the second levelness monitoring device at the jacking joint of the floor slab bottom template; reading N3-2 of an indicating rod in the third levelness monitoring device on a graduated scale, and comparing the reading N3-1 with the reading N3-2 to obtain the settlement or upwarp amount E3 of the jacking of the third levelness monitoring device at the jacking joint of the bottom template of the floor slab;
sixthly, adjusting the supporting top connection column of the floor slab bottom template according to the three settlement or upwarp amounts E1, E2 and E3 obtained in the fifth step, and dynamically reading the degrees of the indicating rods in the three levelness monitoring devices in the adjusting process until the levelness of the floor slab bottom template is adjusted to a design value.
The method changes the traditional mode that the levelness of the concrete pouring floor plate is detected after the template is removed into the mode that the levelness is monitored in real time before the initial setting of the poured concrete, realizes the timely correction of the bottom template of the floor plate, ensures the levelness of the poured floor plate, and effectively improves the construction efficiency; in addition, the invention can read the settlement data through remote monitoring, and detection personnel do not need to enter the floor slab just cast with concrete, thereby ensuring the safety of constructors to the maximum extent.
Drawings
FIG. 1 is a schematic view of the levelness monitor apparatus of the present invention;
FIG. 2 is a view showing the fitting relationship between the lower casing 1, the compression spring 5 and the upper lifter 2 according to the present invention;
fig. 3 is a diagram showing the arrangement of the top contact points of the levelness monitoring device of the present invention on the lower bottom surface of the floor slab bottom formwork 9.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a levelness monitoring device for a floor slab pouring bottom template comprises a floor slab bottom template 9, a poured lower floor slab is arranged below the floor slab bottom template 9, a cross-shaped base 6 is arranged on the lower floor plate, a lower sleeve 1 is welded and connected on the cross-shaped base 6, a pressure spring 5 is arranged in the lower sleeve 1, the lower end of the upper lifting rod 2 is pressed against the upper end of the pressure spring 5 after being inserted downwards from the upper port of the lower sleeve 1, the top end of the upper lifting rod 2 is provided with a top support 10, the top support 10 is movably connected on the lower bottom surface of the floor slab bottom template 9 in a propping manner, a long hole 3 is arranged on the pipe wall of the lower sleeve 1 along the up-down direction, a graduated scale 4 is arranged on the pipe wall outside the long hole 3, in the elongated hole 3, a horizontal indication rod 8 is movably arranged, and the inner side end of the indication rod 8 is fixedly connected with the upper lifting rod 2.
A level gauge 7 is arranged on the cross-shaped base 6; a pair of strip holes 3 are symmetrically arranged on the pipe wall of the lower sleeve 1 by taking the central axis of the lower sleeve 1 as a symmetry axis; a pair of indicating rods 8 are symmetrically arranged in the pair of long holes 3 by taking the central axis of the lower sleeve 1 as a symmetry axis; two indicator bars 8 are symmetrically arranged, so that long-distance observation can be facilitated, and fluorescent powder is used at the end parts of the indicator bars 8 and on the scale marks of the graduated scale 4, so that observation is facilitated.
A method for monitoring the levelness of a floor slab pouring bottom formwork by a levelness monitoring device of the floor slab pouring bottom formwork is characterized by comprising the following steps of:
firstly, selecting three test points on a lower floor plate right below the same floor plate bottom template 9, and connecting the three test points to form a triangle; when the template at one of the three testing points descends, the lower upper lifting rod 2 is pressed down through the jacking support 10, the upper lifting rod 2 moves down after compressing the pressure spring 5 below the upper lifting rod 2, the indicating rod 8 on the upper lifting rod 2 also moves down along with the descending of the upper lifting rod 2, and the descending amount can be read from the graduated scale 4; similarly, if the template at the top joint point is upwarped, the upper lifting rod 2 is lifted under the action of the pressure spring 5 at the bottom of the upper lifting rod, and the lifting amount of the indicating rod 8 can be read from the graduated scale 4;
secondly, placing a first cross-shaped base 6 on the first test point, adjusting the first cross-shaped base 6 to be in a horizontal state through a level gauge 7 on the first cross-shaped base 6, meanwhile, butting a jacking support 10 of an upper lifting rod 2 on the first cross-shaped base 6 on the lower bottom surface of a floor slab bottom template 9, and reading a reading N1-1 of an indication rod 8 in a strip hole 3 on a lower sleeve 1 on a graduated scale 4;
thirdly, placing a second cross-shaped base 6 on a second test point, adjusting the second cross-shaped base 6 to be in a horizontal state through a level gauge 7 on the second cross-shaped base 6, meanwhile, butting a jacking support 10 of an upper lifting rod 2 on the second cross-shaped base 6 on the lower bottom surface of a floor slab bottom template 9, and reading the reading N2-1 of an indication rod 8 in a strip hole 3 on a lower sleeve 1 on a graduated scale 4;
fourthly, placing a third cross-shaped base 6 on the first test point, adjusting the third cross-shaped base 6 to be in a horizontal state through a level gauge 7 on the third cross-shaped base 6, meanwhile, butting a jacking support 10 of an upper lifting rod 2 on the third cross-shaped base 6 on the lower bottom surface of a floor slab bottom template 9, and reading the reading N3-1 of an indication rod 8 in a strip hole 3 on the lower sleeve 1 on the graduated scale 4;
fifthly, after concrete pouring on the floor slab bottom template 9 is finished, regularly observing and recording: the reading N1-2 of the indicating rod 8 in the first levelness monitoring device on the graduated scale 4 is compared with the reading N1-1 and the reading N1-2 to obtain the settlement or upwarp amount E1 of the jacking support 10 on the first levelness monitoring device at the jacking joint point of the floor slab bottom template 9; the reading N2-2 of the indicating rod 8 in the second levelness monitoring device on the graduated scale 4 is compared with the reading N2-1 and the reading N2-2 to obtain the settlement or upwarp amount E2 of the jacking 10 of the second levelness monitoring device at the jacking joint of the floor slab bottom template 9; the reading N3-2 of the indicating rod 8 in the third levelness monitoring device on the graduated scale 4 is compared with the reading N3-1 and the reading N3-2 to obtain the settlement or upwarp amount E3 of the jacking 10 of the third levelness monitoring device at the jacking joint of the floor slab bottom template 9;
sixthly, adjusting the supporting top connection column of the floor slab bottom template 9 according to the three settlement or upwarp amounts E1, E2 and E3 obtained in the fifth step, and dynamically reading the degrees of the indicating rods 8 in the three levelness monitoring devices in the adjusting process until the levelness of the floor slab bottom template 9 is adjusted to a design value.
Claims (3)
1. A levelness monitoring device for a floor slab pouring bottom template comprises a floor slab bottom template (9), wherein a poured lower floor slab is arranged below the floor slab bottom template (9), and is characterized in that a cross-shaped base (6) is arranged on the lower floor slab, a lower sleeve (1) is welded on the cross-shaped base (6), a pressure spring (5) is arranged in the lower sleeve (1), the lower end of an upper lifting rod (2) is abutted to the upper end of the pressure spring (5) after being downwards inserted from the upper port of the lower sleeve (1), a top support (10) is arranged at the top end of the upper lifting rod (2), the top support (10) is movably abutted to the lower bottom surface of the floor slab bottom template (9), a strip hole (3) is arranged on the pipe wall of the lower sleeve (1) along the vertical direction, a graduated scale (4) is arranged on the pipe wall outside the strip hole (3), in the long hole (3), a horizontal indicating rod (8) is movably arranged, and the inner side end of the indicating rod (8) is fixedly connected with the upper lifting rod (2).
2. The levelness monitoring device for the floor slab pouring bottom formwork according to claim 1, wherein a level (7) is arranged on the cross-shaped base (6); a pair of strip holes (3) are symmetrically arranged on the pipe wall of the lower sleeve (1) by taking the central axis of the lower sleeve (1) as a symmetry axis; a pair of indicating rods (8) are symmetrically arranged in the pair of elongated holes (3) with the central axis of the lower sleeve (1) as a symmetry axis.
3. The method for monitoring the levelness of the floor slab casting bottom formwork by using the levelness monitoring device of the floor slab casting bottom formwork of claim 2 is characterized by comprising the following steps of:
firstly, selecting three test points on a lower floor plate right below a bottom template (9) of the same floor plate, and connecting the three test points to form a triangle;
secondly, placing a first cross-shaped base (6) on the first test point, adjusting the first cross-shaped base (6) to be in a horizontal state through a level gauge (7) on the first cross-shaped base (6), meanwhile, butting a jacking support (10) of an upper lifting rod (2) on the first cross-shaped base (6) on the lower bottom surface of a floor plate bottom template (9), and reading the reading N1-1 of an indicating rod (8) in a long hole (3) on a lower sleeve (1) on a graduated scale (4);
thirdly, placing a second cross-shaped base (6) on the second test point, adjusting the second cross-shaped base (6) to be in a horizontal state through a level gauge (7) on the second cross-shaped base (6), meanwhile, butting a jacking support (10) of an upper lifting rod (2) on the second cross-shaped base (6) on the lower bottom surface of a floor plate bottom template (9), and reading the reading N2-1 of an indication rod (8) in a strip hole (3) on a lower sleeve (1) on a graduated scale (4);
fourthly, placing a third cross-shaped base (6) on the first test point, adjusting the third cross-shaped base (6) to be in a horizontal state through a level gauge (7) on the third cross-shaped base (6), meanwhile, butting a jacking support (10) of an upper lifting rod (2) on the third cross-shaped base (6) on the lower bottom surface of a floor plate bottom template (9), and reading the reading N3-1 of an indicating rod (8) in a strip hole (3) on a lower sleeve (1) on a graduated scale (4);
fifthly, after concrete pouring on the floor slab bottom template (9) is finished, regularly observing and recording: reading N1-2 of an indicating rod (8) in the first levelness monitoring device on a graduated scale (4), and comparing the reading N1-1 with the reading N1-2 to obtain the settlement or upwarp amount E1 of a top support (10) on the first levelness monitoring device at the top joint point of a floor slab bottom template (9); reading N2-2 of an indicating rod (8) in the second levelness monitoring device on the graduated scale (4), and comparing the reading N2-1 with the reading N2-2 to obtain the settlement or upwarp amount E2 of a top support (10) of the second levelness monitoring device at the top joint point of a floor slab bottom template (9); reading N3-2 of an indicating rod (8) in the third levelness monitoring device on a graduated scale (4), and comparing the reading N3-1 with the reading N3-2 to obtain the settlement or upwarp amount E3 of a top support (10) of the third levelness monitoring device at the top joint point of a floor slab bottom template (9);
sixthly, adjusting the supporting top connection column of the floor slab bottom template (9) according to the three settlement or upwarp amounts E1, E2 and E3 obtained in the fifth step, and dynamically reading the degrees of the indicating rods (8) in the three levelness monitoring devices in the adjusting process until the levelness of the floor slab bottom template (9) is adjusted to a design value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110106181.6A CN112663958A (en) | 2021-01-26 | 2021-01-26 | Levelness monitoring device and method for floor slab pouring bottom formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110106181.6A CN112663958A (en) | 2021-01-26 | 2021-01-26 | Levelness monitoring device and method for floor slab pouring bottom formwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112663958A true CN112663958A (en) | 2021-04-16 |
Family
ID=75414586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110106181.6A Pending CN112663958A (en) | 2021-01-26 | 2021-01-26 | Levelness monitoring device and method for floor slab pouring bottom formwork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112663958A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216619A (en) * | 2021-04-20 | 2021-08-06 | 中国一冶集团有限公司 | Positioning device and positioning method for reserved hole and sleeve of floor slab |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030089050A1 (en) * | 2001-09-28 | 2003-05-15 | Eldon Tipping | Apparatus and method for improving quality of elevated concrete floors |
| KR100667579B1 (en) * | 2006-07-27 | 2007-01-16 | (주)유원건축사사무소 | Deflection measuring device of building |
| CN102297680A (en) * | 2011-07-21 | 2011-12-28 | 中铁十局集团有限公司 | Support and template subsidence deformation observation method and support subsidence deformation observation apparatus |
| CN207122130U (en) * | 2017-08-29 | 2018-03-20 | 北京四汇建筑工程有限责任公司 | A kind of mould plate supporting device for concrete floor slab placement |
| CN207335690U (en) * | 2017-09-20 | 2018-05-08 | 中石化川气东送天然气管道有限公司 | A device for detecting pipeline settlement |
| CN109025311A (en) * | 2018-08-02 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of mattess screeder and construction method |
| CN210071829U (en) * | 2019-06-05 | 2020-02-14 | 北京城建八建设发展有限责任公司 | Top plate detection device |
| CN210513104U (en) * | 2019-08-15 | 2020-05-12 | 新地能源工程技术有限公司 | Formwork system monitoring device |
-
2021
- 2021-01-26 CN CN202110106181.6A patent/CN112663958A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030089050A1 (en) * | 2001-09-28 | 2003-05-15 | Eldon Tipping | Apparatus and method for improving quality of elevated concrete floors |
| KR100667579B1 (en) * | 2006-07-27 | 2007-01-16 | (주)유원건축사사무소 | Deflection measuring device of building |
| CN102297680A (en) * | 2011-07-21 | 2011-12-28 | 中铁十局集团有限公司 | Support and template subsidence deformation observation method and support subsidence deformation observation apparatus |
| CN207122130U (en) * | 2017-08-29 | 2018-03-20 | 北京四汇建筑工程有限责任公司 | A kind of mould plate supporting device for concrete floor slab placement |
| CN207335690U (en) * | 2017-09-20 | 2018-05-08 | 中石化川气东送天然气管道有限公司 | A device for detecting pipeline settlement |
| CN109025311A (en) * | 2018-08-02 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of mattess screeder and construction method |
| CN210071829U (en) * | 2019-06-05 | 2020-02-14 | 北京城建八建设发展有限责任公司 | Top plate detection device |
| CN210513104U (en) * | 2019-08-15 | 2020-05-12 | 新地能源工程技术有限公司 | Formwork system monitoring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216619A (en) * | 2021-04-20 | 2021-08-06 | 中国一冶集团有限公司 | Positioning device and positioning method for reserved hole and sleeve of floor slab |
| CN113216619B (en) * | 2021-04-20 | 2023-10-24 | 中国一冶集团有限公司 | Positioning device for reserved hole and sleeve of floor slab and positioning method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212835550U (en) | A frame structure jacking correction system | |
| CN108613658A (en) | A kind of novel cast-in-place box beam bracket Monitoring method of the subsidence and equipment | |
| CN215572760U (en) | Flatness and elevation detection device for plane cast-in-place concrete floor | |
| CN103758359A (en) | Safe and reliable construction system for replacing columns by sustaining beams supported by columns and construction method for replacing columns by sustaining beams supported by columns | |
| CN110187082A (en) | A kind of device and method that multi-parameter accurately detects slump | |
| CN112663958A (en) | Levelness monitoring device and method for floor slab pouring bottom formwork | |
| CN113107100B (en) | Leveling method for tower crane embedded joint | |
| CN114737756A (en) | A construction method of a real-time monitoring system for the early dismantling support of the disk buckle | |
| CN113865521A (en) | Device for detecting flatness of inner side of template and operation method | |
| CN112683124A (en) | Plug-in thickness measuring device and concrete pouring thickness measuring method | |
| CN210243660U (en) | Mortar vertical expansion rate measuring device | |
| CN217845005U (en) | Concrete cast-in-place board thickness measurement device | |
| CN218382807U (en) | Measuring device for architectural design | |
| CN114739265B (en) | Measuring device and measuring method for accurately measuring roughness of concrete test piece | |
| CN117763692A (en) | Overhead fertilizer trough top formwork supporting method and system | |
| CN214794321U (en) | Testing device for fluidity of cement paste | |
| CN206696133U (en) | Slump measurement apparatus | |
| CN212031223U (en) | A concrete performance detection device for building engineering | |
| CN214502312U (en) | Instrument is measured to floor pouring process concrete thickness | |
| CN112160605B (en) | Scale for controlling thickness, elevation and flatness of concrete | |
| CN211785544U (en) | Concrete performance detection device | |
| CN205643079U (en) | Concrete slump surveys standard device | |
| CN113670255A (en) | A multifunctional leveling ruler for accurate measurement of height difference and slope and using method thereof | |
| CN221725200U (en) | Building formwork safety monitoring instrument | |
| CN221803742U (en) | Cement mortar fluidity measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |