CN107654022A - A kind of fibre opic endoscope for being used for half grout sleeve, its processing method and its application - Google Patents

A kind of fibre opic endoscope for being used for half grout sleeve, its processing method and its application Download PDF

Info

Publication number
CN107654022A
CN107654022A CN201710892330.XA CN201710892330A CN107654022A CN 107654022 A CN107654022 A CN 107654022A CN 201710892330 A CN201710892330 A CN 201710892330A CN 107654022 A CN107654022 A CN 107654022A
Authority
CN
China
Prior art keywords
grout sleeve
half grout
outer tube
grouting
reinforcing bar
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
Application number
CN201710892330.XA
Other languages
Chinese (zh)
Inventor
赵亮
赵学军
王晓光
张宗军
薛深
郜金龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN ZHONGHAI CONSTRUCTION CO Ltd
Original Assignee
SHENZHEN ZHONGHAI CONSTRUCTION CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN ZHONGHAI CONSTRUCTION CO Ltd filed Critical SHENZHEN ZHONGHAI CONSTRUCTION CO Ltd
Priority to CN201710892330.XA priority Critical patent/CN107654022A/en
Publication of CN107654022A publication Critical patent/CN107654022A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G01N33/383Concrete or cement

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

The invention discloses a kind of fibre opic endoscope for being used for half grout sleeve, its processing method and its application, it is related to sleeve detection and monitoring technology field, grouting chamber is set inside half grout sleeve, reinforcing bar bottom is connected with concrete, and top is fixed on grouting intracavitary, and outer tube is made of clear material, it is fixed on the cut surface of reinforcing bar, top is stifled real with plug seal, and its bottom is extend out to outside half grout sleeve by half grout sleeve bottom, and side wall sets graduation mark;Fibre opic endoscope is located at outer tube, and can be slided in outer tube, and it is observed end, probe and optical fiber and is respectively used to be connected with display screen, obtains image and transmit image information.The present invention can intuitively, clearly, quantitatively obtain the grouting plumpness of grouting inside half grout sleeve, the construction quality of double of grout sleeve is judged exactly, and reply processing is carried out to unqualified part in time, avoid underproof half grout sleeve of construction quality from influenceing house overall security.

Description

A kind of fibre opic endoscope for being used for half grout sleeve, its processing method and its application
Technical field
The present invention relates to sleeve detection and monitoring technology field, and in particular to a kind of to be used to observe inside half grout sleeve Endoscope and a kind of detection method for being used to detect half grout sleeve grouting plumpness.
Background technology
In recent years, housing industrialization develops rapidly in China, and its security receives much concern.Two above and below the conduct of half grout sleeve The attachment structure of story shear wall, its stable connection directly affect house safety.Grouting plumpness is half grout sleeve of evaluation The important indicator of construction quality and steadiness, the importance of its accuracy in detection are self-evident.
At present, because the limitation of half grout sleeve this body structure, workmen slurry can only fill from its grout outlet Situation, its internal plumpness can not be observed, directly result in half grout sleeve grouting plumpness can not intuitively, it is clear, measure It is observed and detects with changing, and then causes the construction quality of half grout sleeve can not influence house general safety by accurate judgement Property.
The content of the invention
The present invention is precisely in order to avoid the weak point present in above-mentioned prior art, there is provided one kind is used for half grouting set Fibre opic endoscope, its processing method and its application of cylinder.
The present invention adopts the following technical scheme that to solve technical problem:A kind of fibre opic endoscope knot for being used for half grout sleeve Structure, grouting chamber is set inside half grout sleeve, reinforcing bar bottom is connected with concrete, and top is fixed on the grouting intracavitary, Fixation is attached to half grout sleeve, the reinforcing bar cutting is prescinded except side longitudinal rib, and forms cut surface in cut place, outside Pipe is made of clear material, and is fixed on the cut surface, and top is stifled real with plug seal, and its tip height is higher than the reinforcing bar Overhead height, bottom are extend out to outside half grout sleeve by the half grout sleeve bottom, and the outer tube wall sets scale Line;
Observation end and probe are respectively arranged on optical fiber front end and tail end, form fibre opic endoscope, and the fibre opic endoscope is located at The outer tube, and can be slided in the outer tube;Observation end, the probe and the optical fiber are respectively used to and shown Display screen connection, obtain image and transmit image information.
Further, the outer tube front portion and posterior vertical setting and, its front portion excessive by smooth circular arc in junction It is close to the cut surface and is connected with the cut surface.
Further, precut on the concrete and form default groove, the rear portion of the outer tube is positioned at described pre- If in groove.
Further, the radius of curvature of the smooth circular arc is not less than.
Further, the material of the outer tube is polystyrene.
A kind of processing method for the fibre opic endoscope structure for being used for half grout sleeve, comprises the following steps:
S1, the longitudinal rib of reinforcing bar is cut to removing, formation cut surface;
S2, the depth for the chamber that is in the milk according to half grout sleeve are cut to outer tube, the anterior length of outer tube is more than grouting Chamber depth, and clear up the dust removed on outer tube;
S3, outer tube front portion is adhered to cut surface, and outer tube both ends are stifled real with plug seal, it is outer to avoid dust from entering Inside pipe;
It should be observed during S4, lifting upper component shear wall with mirror in half grout sleeve oral area, avoid damage to and squeeze Press outer tube;
S5, double of grout sleeve are in the milk, and are stood after grouting, during should ensure that outer tube is extend out to outside half grout sleeve The adjacent one end in portion does not have rock ballast, dust;
Grouting plumpness is detected after S6, grouting, and after the completion of detection, default groove is blocked with concrete, ensured Outer tube is not exposed.
A kind of application for the fibre opic endoscope structure for being used for half grout sleeve, comprises the following steps:
After S1, grouting, by light endoscope using sound end as front end, one end outside half grout sleeve is extend out to by outer tube and inserted Enter outer tube;
S2, will observation end be connected with display screen;
S3, the image shown according to display screen and outer tube wall graduation mark, half grout sleeve of observation inside grouting height Situation:
If grouting height is parallel with reinforcing bar overhead height or grouting height is higher than reinforcing bar overhead height, plumpness of being in the milk For, and detection of end;
Otherwise, grouting height and the difference of reinforcing bar overhead height are obtained, and performs step S4;
S4, grouting plumpness, and detection of end is calculated, wherein, it is reinforcing bar overall length.
Further, should be according to the lot number amount of half grout sleeve, to being examined no less than three and half grout sleeves during construction Survey.
The invention provides a kind of fibre opic endoscope for being used for half grout sleeve, its processing method and its application, have with Lower beneficial effect:
1st, the grouting plumpness of grouting inside half grout sleeve can intuitively, clearly, be quantitatively obtained, is half-and-half in the milk exactly The construction quality of sleeve is judged, and carries out reply processing to unqualified part in time, avoids construction quality underproof half Grout sleeve influences house overall security;
2nd, outer tube uses polystyrene material, material better resistance, is not likely to produce damage in lifting construction, is not likely to produce extruding Deformation, ensure being normally carried out for late detection;
3rd, the quantization measurement of grouting plumpness inside half grout sleeve is realized, has filled up the blank in the field;
4th, simple in construction, processing cost is low, convenient to use, and practicality is good.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the partial structural diagram at A of the present invention.
In figure:
1st, half grout sleeve;21st, observe end, 22, probe;3rd, outer tube, 31, plug;4th, reinforcing bar, 41, cut surface;5th, coagulation Soil structure layer, 51, default groove.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention, Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
As shown in Fig. 1~Fig. 2, its structural relation is:Grouting chamber, the bottom of reinforcing bar 4 and concrete are set inside half grout sleeve 1 Structure sheaf 5 is connected, and top is fixed on grouting intracavitary, and double of grout sleeve 1 is attached fixation, and the cutting of reinforcing bar 4 removes side and indulged Rib, and cut surface 41 is formed in cut place, outer tube 3 is made of clear material, is fixed on cut surface 41, and top is close with plug 31 Closure is real, and its tip height is higher than the overhead height of reinforcing bar 4, and bottom is extend out to outside half grout sleeve 1 by the bottom of half grout sleeve 1 Portion, the side wall of outer tube 3 set graduation mark;
Observation end 21 and probe 22 are respectively arranged on optical fiber front end and tail end, form fibre opic endoscope, and fibre opic endoscope is located at Inside outer tube 3, and can be in the internal slide of outer tube 3;Observation end 21, probe 22 and optical fiber are respectively used to be connected with display screen, obtained Image and transmission image information.
Preferably, outer tube 3 is anterior with posterior vertical setting and excessive by smooth circular arc in junction, and its front portion is close to Cut surface 41 is simultaneously connected with cut surface 41.
Preferably, precut on concrete 5 and form default groove 51, the rear portion of outer tube 3 is located in default groove 51.
Preferably, the radius of curvature of smooth circular arc is not less than 33mm.
Preferably, the material of outer tube 3 is polystyrene.
Its processing method comprises the following steps:
S1, the longitudinal rib of reinforcing bar is cut to removing, formation cut surface;
S2, the depth for the chamber that is in the milk according to half grout sleeve are cut to outer tube, the anterior length of outer tube is more than grouting Chamber depth, and clear up the dust removed on outer tube;
S3, outer tube front portion is adhered to cut surface, and outer tube both ends are stifled real with plug seal, it is outer to avoid dust from entering Inside pipe;
It should be observed during S4, lifting upper component shear wall with mirror in half grout sleeve oral area, avoid damage to and squeeze Press outer tube;
S5, double of grout sleeve are in the milk, and are stood after grouting, during should ensure that outer tube is extend out to outside half grout sleeve The adjacent one end in portion does not have rock ballast, dust;
Grouting plumpness is detected after S6, grouting, and after the completion of detection, default groove is blocked with concrete, ensured Outer tube is not exposed.
The application that the grouting plumpness of its double of grout sleeve is detected, comprises the following steps:
After S1, grouting, by light endoscope using sound end as front end, one end outside half grout sleeve is extend out to by outer tube and inserted Enter outer tube;
S2, will observation end be connected with display screen;
S3, the image shown according to display screen and outer tube wall graduation mark, half grout sleeve of observation inside grouting height Situation:
If grouting height is parallel with reinforcing bar overhead height or grouting height is higher than reinforcing bar overhead height, plumpness of being in the milk For, and detection of end;
Otherwise, grouting height and the difference of reinforcing bar overhead height are obtained, and performs step S4;
S4, grouting plumpness, and detection of end is calculated, wherein, it is reinforcing bar overall length.
Preferably, should be according to the lot number amount of half grout sleeve, to being detected no less than three and half grout sleeves during construction.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Other identical element also be present in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments The present invention is described in detail, it will be understood by those within the art that:It still can be to foregoing each implementation Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic;And these modification or Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (8)

1. a kind of fibre opic endoscope structure for being used for half grout sleeve, half grout sleeve (1) is internal to set grouting chamber, reinforcing bar (4) bottom End is connected with concrete (5), and top is fixed on the grouting intracavitary, half grout sleeve (1) is attached solid It is fixed, it is characterised in that:The reinforcing bar (4) cutting removes side longitudinal rib, and forms cut surface (41) in cut place, outer tube (3) by Transparent material is made, and is fixed on the cut surface (41), and top is real with plug (31) seal plug, and its tip height is higher than described Reinforcing bar (4) overhead height, bottom extend out to half grout sleeve (1) outside by half grout sleeve (1) bottom, described outer Pipe (3) side wall sets graduation mark;
Observation end (21) and probe (22) are respectively arranged on optical fiber front end and tail end, form fibre opic endoscope, the fibre opic endoscope It is internal located at the outer tube (3), and can be in the outer tube (3) internal slide;Observation end (21), the probe (22) and institute Optical fiber is stated to be respectively used to be connected with display screen, obtain image and transmit image information.
A kind of 2. fibre opic endoscope structure for being used for half grout sleeve according to claim 1, it is characterised in that:It is described outer Manage that (3) are anterior with posterior vertical setting and excessive by smooth circular arc in junction, and the cut surface (41) is close in its front portion And it is connected with the cut surface (41).
A kind of 3. fibre opic endoscope structure for being used for half grout sleeve according to claim 2, it is characterised in that:It is described mixed Precut on Xtah Crude Clay structure layer (5) and form default groove (51), the rear portion of the outer tube (3) is located in the default groove (51).
A kind of 4. fibre opic endoscope structure for being used for half grout sleeve according to claim 2, it is characterised in that:The light The radius of curvature of sliding circular arc is not less than 33mm.
A kind of 5. fibre opic endoscope structure for being used for half grout sleeve according to claim 1, it is characterised in that:It is described outer The material for managing (3) is polystyrene.
6. a kind of processing method of fibre opic endoscope structure for being used for half grout sleeve according to claim 3, its feature It is, comprises the following steps:
S1, the longitudinal rib of reinforcing bar is cut to removing, formation cut surface;
S2, the depth for the chamber that is in the milk according to half grout sleeve are cut to outer tube, the anterior length of outer tube is more than grouting chamber deep 15mm~20mm is spent, and clears up the dust removed on outer tube;
S3, outer tube front portion is adhered to cut surface, and outer tube both ends are stifled real with plug seal, to avoid dust from entering in outer tube Portion;
It should be observed during S4, lifting upper component shear wall with mirror in half grout sleeve oral area, avoid damage to and extrude and be outer Pipe;
S5, double of grout sleeve are in the milk, and 24h is stood after grouting, during should ensure that outer tube is extend out to outside half grout sleeve The adjacent one end in portion does not have rock ballast, dust;
Grouting plumpness is detected after S6, grouting 24h, and after the completion of detection, default groove is blocked with concrete, ensured outer Pipe is not exposed.
A kind of 7. application of fibre opic endoscope structure for being used for half grout sleeve according to claim 3, it is characterised in that Comprise the following steps:
After S1, grouting 24h, by light endoscope using sound end as front end, one end outside half grout sleeve is extend out to by outer tube and inserted Enter outer tube;
S2, will observation end be connected with display screen;
S3, the image shown according to display screen and outer tube wall graduation mark, half grout sleeve of observation inside grouting altitudes:
If grouting height is parallel with reinforcing bar overhead height or grouting height is higher than reinforcing bar overhead height, grouting plumpness is 100%, and detection of end;
Otherwise, grouting height and the difference L of reinforcing bar overhead height are obtained1, and perform step S4;
S4, grouting plumpness is calculatedAnd detection of end, wherein, L is reinforcing bar overall length.
A kind of 8. application of fibre opic endoscope structure for being used for half grout sleeve according to claim 7, it is characterised in that: Should be according to the lot number amount of half grout sleeve, to being detected no less than three and half grout sleeves during construction.
CN201710892330.XA 2017-09-27 2017-09-27 A kind of fibre opic endoscope for being used for half grout sleeve, its processing method and its application Pending CN107654022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710892330.XA CN107654022A (en) 2017-09-27 2017-09-27 A kind of fibre opic endoscope for being used for half grout sleeve, its processing method and its application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710892330.XA CN107654022A (en) 2017-09-27 2017-09-27 A kind of fibre opic endoscope for being used for half grout sleeve, its processing method and its application

Publications (1)

Publication Number Publication Date
CN107654022A true CN107654022A (en) 2018-02-02

Family

ID=61116164

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710892330.XA Pending CN107654022A (en) 2017-09-27 2017-09-27 A kind of fibre opic endoscope for being used for half grout sleeve, its processing method and its application

Country Status (1)

Country Link
CN (1) CN107654022A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108918660A (en) * 2018-05-19 2018-11-30 徐光大 Nondestructive detection method for sleeve grouting fullness of steel bar sleeve grouting connection joint
CN108952015A (en) * 2018-07-26 2018-12-07 柳州汉西鸣建材发展有限公司 It is a kind of to monitor grouting plumpness and the precast assembly grout sleeve of stress variation and preparation method thereof
CN109099986A (en) * 2018-09-06 2018-12-28 北京市建筑设计研究院有限公司 The visual detection and bracing means and method of reinforcing bar connection grout sleeve
CN109141274A (en) * 2018-08-01 2019-01-04 昆山市建设工程质量检测中心 A method of reinforcing bar insertion depth is connected in half grout sleeve splice of detection
CN109613216A (en) * 2019-02-25 2019-04-12 赵云红 A kind of moisture in soil continuity detection system and its detection method
CN109797906A (en) * 2019-01-08 2019-05-24 贵州建工集团第四建筑工程有限责任公司 Fabricated building structure and its group assembly/installation method
CN110333342A (en) * 2019-08-07 2019-10-15 中建材中岩科技有限公司 A kind of portable easy reclaiming type sleeve grouting plumpness detector
CN112326940A (en) * 2020-09-28 2021-02-05 山东省建筑科学研究院有限公司 Assembled concrete sleeve grouting fullness measuring device and working method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030159395A1 (en) * 2002-02-26 2003-08-28 Dahl Kjell L. High strength grouted pipe coupler
CN102635129A (en) * 2012-04-11 2012-08-15 中冶交通工程技术有限公司 Method for detecting steel reinforcement cage pre-buried under cast-in-place pile
CN104912541A (en) * 2015-07-03 2015-09-16 中国矿业大学 Drilling peering instrument casing device and using method thereof
CN106769441A (en) * 2016-11-15 2017-05-31 中国建筑科学研究院 Method for detecting solid strength and construction quality of grouting material for grouting connection of steel bar sleeve
CN206321339U (en) * 2016-08-31 2017-07-11 北京智博联科技股份有限公司 A kind of built-in type vibration measurement probe
CN207245010U (en) * 2017-09-27 2018-04-17 深圳中海建筑有限公司 A kind of fibre opic endoscope for being used for half grout sleeve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030159395A1 (en) * 2002-02-26 2003-08-28 Dahl Kjell L. High strength grouted pipe coupler
CN102635129A (en) * 2012-04-11 2012-08-15 中冶交通工程技术有限公司 Method for detecting steel reinforcement cage pre-buried under cast-in-place pile
CN104912541A (en) * 2015-07-03 2015-09-16 中国矿业大学 Drilling peering instrument casing device and using method thereof
CN206321339U (en) * 2016-08-31 2017-07-11 北京智博联科技股份有限公司 A kind of built-in type vibration measurement probe
CN106769441A (en) * 2016-11-15 2017-05-31 中国建筑科学研究院 Method for detecting solid strength and construction quality of grouting material for grouting connection of steel bar sleeve
CN207245010U (en) * 2017-09-27 2018-04-17 深圳中海建筑有限公司 A kind of fibre opic endoscope for being used for half grout sleeve

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108918660A (en) * 2018-05-19 2018-11-30 徐光大 Nondestructive detection method for sleeve grouting fullness of steel bar sleeve grouting connection joint
CN108918660B (en) * 2018-05-19 2020-12-25 徐光大 Nondestructive detection method for sleeve grouting fullness of steel bar sleeve grouting connection joint
CN108952015A (en) * 2018-07-26 2018-12-07 柳州汉西鸣建材发展有限公司 It is a kind of to monitor grouting plumpness and the precast assembly grout sleeve of stress variation and preparation method thereof
CN109141274A (en) * 2018-08-01 2019-01-04 昆山市建设工程质量检测中心 A method of reinforcing bar insertion depth is connected in half grout sleeve splice of detection
CN109099986A (en) * 2018-09-06 2018-12-28 北京市建筑设计研究院有限公司 The visual detection and bracing means and method of reinforcing bar connection grout sleeve
CN109797906A (en) * 2019-01-08 2019-05-24 贵州建工集团第四建筑工程有限责任公司 Fabricated building structure and its group assembly/installation method
CN109797906B (en) * 2019-01-08 2023-09-22 贵州建工集团第四建筑工程有限责任公司 Assembled building structure and assembling and installing method thereof
CN109613216A (en) * 2019-02-25 2019-04-12 赵云红 A kind of moisture in soil continuity detection system and its detection method
CN110333342A (en) * 2019-08-07 2019-10-15 中建材中岩科技有限公司 A kind of portable easy reclaiming type sleeve grouting plumpness detector
CN112326940A (en) * 2020-09-28 2021-02-05 山东省建筑科学研究院有限公司 Assembled concrete sleeve grouting fullness measuring device and working method

Similar Documents

Publication Publication Date Title
CN107654022A (en) A kind of fibre opic endoscope for being used for half grout sleeve, its processing method and its application
CN108982535A (en) Sleeve grouting plumpness detection method based on endoscope three-dimensional dimension measuring technique
CN206684055U (en) A kind of high-precision concrete carbonization depth detector
CN104820022B (en) A kind of concrete filled steel tube bow member coupling performance detection and evaluation method and detection structure
CN109211909B (en) Sleeve grouting fullness detection method based on core drilling pore-forming
CN207245010U (en) A kind of fibre opic endoscope for being used for half grout sleeve
CN107091085B (en) Multi-parameter discrimination method for stratum stability of shallow-buried and underground-excavated tunnel
WO2019223539A1 (en) Method for evaluating construction process effect of priming oil on asphalt pavement with semi-rigid base
CN111075119A (en) Grouting sleeve for quality monitoring of fabricated building node, monitoring device, monitoring system, method and application
CN210774804U (en) Simple and easy portable bed mud thickness measurement and sampling device
CN107367339A (en) A kind of definitely strain detecting method and special strip style
CN212452814U (en) Bored concrete pile pore-forming sediment thickness measurement device
CN110514473B (en) Simple and easy portable sediment thickness measurement and sampling device
CN205120575U (en) Limpid journey measuring device of river
CN209310691U (en) A kind of construction pours thickness detection apparatus with cement
CN216246231U (en) Quantitative measuring device for grouting fullness of sleeve
CN207964415U (en) Sand replacement method detects fill subgrade compactness excavating device of testing pits
CN213657845U (en) Highway subgrade settlement observation device
CN110514663A (en) A kind of detection method of concrete column component top concrete defect
CN210165877U (en) Vertical detection ruler for constructional engineering
CN116007578A (en) Device and method for detecting verticality of drill rod in real time
CN108301398B (en) TRD continuous wall quality evaluation method
CN210483749U (en) Visible two-lining mold building system
CN211627850U (en) Visual detection device
CN206321639U (en) A kind of aquiclude bailing test 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
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 518057 5F, ante building, No.5 Qimin Road, Langshan No.2 Road, North Science Park, Nanshan District, Shenzhen City, Guangdong Province

Applicant after: China Shipping Construction Co.,Ltd.

Address before: 518052 5F, ante building, No.5 Qimin Road, Langshan No.2 Road, North Science Park, Nanshan District, Shenzhen City, Guangdong Province

Applicant before: Shenzhen Zhonghai Construction Co.,Ltd.

WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180202