CN114776229A - Water area CPTU test system and test method - Google Patents
Water area CPTU test system and test method Download PDFInfo
- Publication number
- CN114776229A CN114776229A CN202210465376.4A CN202210465376A CN114776229A CN 114776229 A CN114776229 A CN 114776229A CN 202210465376 A CN202210465376 A CN 202210465376A CN 114776229 A CN114776229 A CN 114776229A
- Authority
- CN
- China
- Prior art keywords
- truss
- cptu
- platform
- test
- hole
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 119
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000010998 test method Methods 0.000 title claims abstract description 8
- 239000000523 sample Substances 0.000 claims abstract description 70
- 238000005553 drilling Methods 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 15
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 230000035515 penetration Effects 0.000 claims description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 230000000452 restraining effect Effects 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 9
- 230000002829 reductive effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000003643 water by type Substances 0.000 claims description 4
- 239000002689 soil Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000011835 investigation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/02—Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/001—Survey of boreholes or wells for underwater installation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/001—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells specially adapted for underwater installations
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/12—Underwater drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The application relates to a water area CPTU test system and a test method, comprising the following steps: the truss platform unit comprises a base box which is used for being located on a riverbed and can be stably connected with the riverbed, wherein the top of the base box is provided with a plurality of sections of trusses which are sequentially connected in a high mode, and the top of each truss is provided with an exploration platform which is higher than the water surface by a set height; the CPTU test unit comprises a probe rod assembly which penetrates into the riverbed from the upper part of the exploration platform to a set depth, and a geological drilling rig which is positioned at the top of the exploration platform and provides a hole-leading coring operation for the probe rod assembly; the cantilever platform unit comprises a hull anchored in a water area and a construction platform assembled on one side of the hull and extending towards the outer side of the hull, wherein a rectangular frame for guiding and positioning is arranged on the construction platform in order to transfer a truss. The whole set of test system and the operation method have the remarkable advantages of large test depth, high test precision, high precision, modular operation and good safety.
Description
Technical Field
The application relates to the technical field of piezocone penetration test, in particular to a water area CPTU test system and a test method.
Background
With the vigorous development of the traffic infrastructure business in China, the underwater deep-buried tunnels and super-huge bridges across rivers and seas are more and more in engineering, the construction difficulty of the underwater deep-buried tunnels and the super-huge bridges is high, and the requirement on fine investigation is high. The traditional drilling sampling disturbance is large under the water area environment, and the difficulty of obtaining reliable rock parameters in an indoor test is large.
Parameters such as cone tip resistance, side wall friction resistance, pore water pressure and the like measured by a piezocone penetration test (hereinafter referred to as CPTU) can intuitively reflect the category of soil and the change condition of engineering properties, and because the parameters have extremely small disturbance on the soil, a continuous curve can be obtained, and the parameters have the advantages of high accuracy, good repeatability and the like, the parameters are widely applied to water area engineering investigation.
However, in a water area with high water flow speed and frequent tidal change, the difficulty of the piezocone penetration test lies in building a stable and safe test platform to overcome the influence of the water flow and the tidal change. In addition, engineering geological exploration of underwater deep-buried tunnels or large-span bridges usually requires that the penetration test depth of the CPTU reaches dozens of meters or even hundreds of meters, and the conventional CPTU test method has the problems of insufficient penetration counter force, overlarge inclination of probe rods and the like along with the increase of the penetration depth, so that the test depth cannot meet the actual requirements of the engineering exploration.
Disclosure of Invention
The embodiment of the application provides a water area CPTU testing system and a testing method, and aims to solve the problem that the CPTU penetration testing depth cannot meet the actual requirement of engineering investigation in the related technology.
The first aspect of the embodiment of the present application provides a water area CPTU test system, including:
the truss platform unit comprises a base box which is used for being located on a riverbed and can be stably connected with the riverbed, the top of the base box is provided with a plurality of sequentially-connected trusses, and the top of each truss is provided with an exploration platform which is higher than the water surface by a set height;
the CPTU testing unit comprises a probe rod assembly which penetrates into the riverbed from the upper part of the exploration platform to a set depth, and a geological drilling rig which is positioned at the top of the exploration platform and provides a hole-leading coring operation for the probe rod assembly;
the platform unit encorbelments, the platform unit encorbelments including the anchor at the hull in waters to and the group locate hull one side and to the construction platform of hull outside extension, set up on the construction platform and transfer the rectangle square frame that provides direction and location for the truss.
In some embodiments: the construction platform comprises a bottom bracket and a flat plate paved at the top of the bottom bracket, one end of the bottom bracket is welded on a deck of the ship body, the other end of the bottom bracket is suspended outside the ship body, a rectangular square frame is formed on the bottom bracket and the flat plate, the truss is positioned in the rectangular square frame on the bottom bracket and the flat plate, and one end, far away from the ship body, of the bottom bracket is provided with an inclined strut connected with a ship board of the ship body.
In some embodiments: bottom bracket is including the channel-section steel that many mutual parallels that are located the truss both sides and the interval sets up, and the one end of channel-section steel welds on the deck of hull, and the other end of channel-section steel hangs in the hull outside, many the welding has the steel stiffening rib that fuses many channel-sections on the channel-section steel, many the one end welding that the hull was kept away from to the channel-section steel has the high strength steel pipe.
In some embodiments: the base box comprises a weight box located on a river bed and a weight body located in the weight box, a foot pile inserted into the river bed to a set depth is arranged at the bottom of the weight box, and a guide hole is formed in the center of the weight box;
the middle part of the exploration platform is provided with a mounting hole penetrating the probe rod assembly, a guide sleeve communicated with the guide hole and the mounting hole is fixedly arranged on the truss, and the axis of the guide sleeve and the axis of the mounting hole are collinear with the axis of the guide hole.
In some embodiments: the truss comprises four upright posts which are arranged in a rectangular shape, the tops and the bottoms of two adjacent upright posts are connected through a cross rod, and the two adjacent upright posts are connected through a first X-shaped inclined rod;
the top and the bottom of the four upright posts are connected through second X-shaped inclined rods, the top and the bottom of each upright post are provided with flange plates, and the two ends of each guide sleeve are connected with the second X-shaped inclined rods at the top and the bottom of each upright post.
In some embodiments: a plurality of auxiliary sleeves with successively reduced diameters are arranged in the guide sleeve, the probe rod assembly comprises a probe rod and a probe connected to the bottom of the probe rod, and the probe rod is positioned in the auxiliary sleeves;
the exploration platform is provided with a hydraulic loading system which penetrates into the probe rod assembly downwards, and the hydraulic loading system penetrates the probe rod into the probe rod assembly downwards to a set depth through the clamp.
In some embodiments: the ship body is provided with a flexible restraint piece flexibly connected with the truss platform unit, the ship body is provided with an anchoring unit for fixing the ship body in a set water area, and a ship-borne crane for hoisting the truss platform unit is arranged on a deck of the ship body.
In some embodiments: the top of the exploration platform is provided with a drill sliding groove which is in sliding connection with the bottom of the geological drilling drill, and the top of the exploration platform is also provided with a CPTU penetration control system for acquiring detection data of the probe rod assembly.
In some embodiments: still be equipped with on the hull and sit the truss on the platform unit of encorbelmenting anti-roll pipe, anti-roll pipe penetrates the truss in order to support the truss on the platform unit of encorbelmenting.
A second aspect of the embodiments of the present application provides a method for testing a CPTU test system in a water area, where the method uses the CPTU test system in any one of the embodiments, and the method includes the following steps:
driving the ship body to a preset CPTU test hole position and positioning, and anchoring by using the anchoring unit after positioning is finished so as to ensure the position of the ship body to be stable;
measuring the water depth of the CPTU test hole site to determine the splicing height of the truss, firmly bolting the base box and the first section of truss through a flange plate, and transporting the base box and the truss to the CPTU test hole site by using a shipborne crane in a combined manner;
the truss is located on the rectangular square frame by using the anti-rolling pipes, the rest trusses are continuously connected and lowered until the foot piles of the base box are inserted into the riverbed, the base box is located on the riverbed, and the splicing height of the trusses enables the exploration platform to be 0.5-3 m higher than the deck of the ship body;
the method comprises the following steps that an exploration platform is hoisted to the top of a truss and is connected with the truss through a flange plate, and a guide hole of a base box, a guide sleeve of the truss and a mounting hole in the exploration platform are sequentially communicated to form a guide through hole;
connecting the truss with the hull by using a flexible restraint member, measuring the verticality of the truss and the levelness of the exploration platform by using a horizontal ruler, if the truss is not vertical, applying a pulling force by using the flexible restraint member to ensure that the truss is vertical, and adjusting the levelness of the exploration platform by increasing and decreasing a balancing weight on the exploration platform until the levelness of the exploration platform is adjusted;
hoisting a geological drilling rig to an exploration platform by using a shipborne crane, sequentially pre-lowering a plurality of auxiliary casings to a CPTU test hole site through guide through holes by using the geological drilling rig, and sliding the geological drilling rig away from the mounting hole by using a drilling rig sliding chute;
hoisting a hydraulic loading system and a CPTU penetration control system of the CPTU test unit onto an exploration platform, and putting a probe rod assembly into an auxiliary casing by using a clamp of the hydraulic loading system to start a test;
when the penetration resistance of the probe rod assembly reaches a set value or the length of the probe rod below the multiple auxiliary casings reaches a set value, stopping penetration and drilling a pilot hole;
after the penetration is stopped, the CPTU test unit is lifted away from the CPTU test hole site, the geological drilling rig slides to the mounting hole site by using a drill chute, a plurality of auxiliary sleeves are pulled out, then the drilling is carried out for leading the hole, the depth of the leading hole is not more than the penetration depth of the probe rod assembly, and the depth of the leading hole is more than 0.5m above the penetration depth;
after the pilot holes are drilled, the geological drilling rig puts a plurality of auxiliary casings downwards, slides the geological drilling rig away from the mounting hole, then installs the CPTU test unit, continues the test, can reduce the lifting work of one auxiliary casing in each pilot hole, and repeats the steps of penetrating and pilot holes until reaching the required depth of the CPTU test;
after the test operation is completed, the CPTU test unit, the geological drilling rig and the truss platform unit are hoisted to the deck of the ship body by using the shipborne crane, the truss platform unit is disassembled from top to bottom and hoisted to the deck of the ship body, and the ship goes to the next CPTU test hole site for testing.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a water area CPTU test system and a test method, and the water area CPTU test system is provided with a truss platform unit, wherein the truss platform unit comprises a base box which is used for being located on a riverbed and can be stably connected with the riverbed, the top of the base box is provided with a plurality of sections of trusses which are sequentially connected, and the top of each truss is provided with an exploration platform which is higher than the water surface by a set height; the CPTU testing unit comprises a probe rod assembly which penetrates into the riverbed downwards from the exploration platform to set the depth, and a geological drilling rig which is positioned at the top of the exploration platform and provides a hole guiding operation for the probe rod assembly; the platform unit of encorbelmenting should encorbelment the platform unit and locate hull one side and to the construction platform of hull outside extension including the group, offers the rectangle square frame that provides direction and location for the truss transfers on construction platform.
Therefore, the water area CPTU test system of this application passes through the base case and firmly fixes truss platform unit on the riverbed, has solved the exploration platform unstability that leads to because of the influence of rivers and tidal change, has greatly improved the safety guarantee of water area CPTU test work. The truss is assembled in a modularized mode, the assembling height of the truss is adjusted to enable the exploration platform to be suitable for exploration water areas with different water levels, and the application range is wide. The CPTU testing depth is greatly improved by drilling the pilot hole through the geological drilling rig, the geotechnical parameters of the soil body in the deep part under the riverbed can be obtained, the requirement of the deep foundation of the tunnel or the bridge buried in the water area is met, meanwhile, the drilling coring data and the CPTU testing parameters can be compared, a CPTU-based soil body parameter evaluation system is established, and the CPTU testing parameters have stronger significance in guiding the actual engineering. The whole set of test system and the operation method have the remarkable advantages of large test depth, high test precision, high precision, modular operation and good safety.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a top view of a structure according to an embodiment of the present application;
FIG. 2 is a left side view of the structure of an embodiment of the present application;
FIG. 3 is a front view of the structure of an embodiment of the present application;
fig. 4 is a schematic structural diagram of a truss platform unit according to an embodiment of the present application.
Reference numerals are as follows:
1. an overhanging platform unit; 2. channel steel; 3. a flat plate; 4. a rectangular frame; 5. a high-strength steel pipe; 6. a steel stiffener; 7. bracing; 8. a base box; 9. a truss; 10. an exploration platform; 11. a guide hole; 12. a column; 13. a guide sleeve; 14. mounting holes; 15. a safety enclosure; 16. a flange plate; 17. a flexible restraint; 18. a hydraulic loading system; 19. a probe rod assembly; 20. a CPTU injection control system; 21. a clamp; 22. a probe rod; 23. a probe; 24. a geological drilling rig; 25. a shipborne crane; 26. a hull; 27. a balancing weight; 28. an auxiliary sleeve; 29. a drill chute; 30. a foot pile; 31. a weight box; 32. a mooring unit; 33. and (4) anti-rolling pipes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
The embodiment of the application provides a water area CPTU testing system and a testing method, which can solve the problem that the penetration testing depth of the CPTU in the related technology cannot meet the actual requirement of engineering investigation.
Referring to fig. 1 to 4, a first aspect of an embodiment of the present application provides a water area CPTU testing system, including:
the truss platform unit comprises a base box 8 which is used for being located on a riverbed and can be stably connected with the riverbed, a plurality of sections of trusses 9 which are sequentially connected are arranged at the top of the base box 8, and an exploration platform 10 which is higher than the set height of the water surface is arranged at the top of each truss 9. A CPTU test unit comprising a probe assembly 19 that penetrates down into the bed of a river to a set depth from above the survey platform 10, and a geological drilling rig 24 located at the top of the survey platform 10 to provide a lead coring operation for the probe assembly 19. The cantilever platform unit 1 comprises a ship body 26 anchored in a water area, and a construction platform assembled on one side of the ship body 26 and extending towards the outer side of the ship body 26, wherein a 2.35X 3m rectangular frame 4 for providing guidance and positioning for lowering the truss 9 is arranged on the construction platform.
The waters CPTU test system of this application embodiment firmly fixes truss platform unit on the riverbed through base case 8, has solved because of the exploration platform 10 unstability that the influence of rivers and morning and evening changes lead to, has greatly improved waters CPTU test work's safety guarantee. The trusses 9 are assembled in a modularized mode, the assembling height of the trusses 9 is adjusted to enable the exploration platform 10 to be suitable for exploration water areas with different water levels, and the application range is wide.
The CPTU testing depth is greatly improved by drilling the pilot hole through the geological drilling rig 24, the geotechnical parameters of a deep core sample under a riverbed can be obtained, the requirement of a deep foundation of a deeply buried tunnel or a bridge in a water area is met, meanwhile, the drilling coring data and the CPTU testing parameters can be compared, a CPTU-based soil parameter evaluation system is established, and the CPTU testing parameters have stronger significance in guiding actual engineering. The whole set of test system and the operation method have the remarkable advantages of large test depth, high test precision, high precision, modular operation and good safety.
In some alternative embodiments: referring to fig. 1 to 3, the present application provides a water area CPTU testing system, a construction platform of the water area CPTU testing system includes a bottom bracket and a flat plate 3 laid on top of the bottom bracket, one end of the bottom bracket is welded on a deck of a ship body 26, and the other end of the bottom bracket is suspended outside the ship body 26. Rectangular boxes 4 are formed on the bottom bracket and the flat plate 3, and trusses 9 are located within the rectangular boxes 4 on the bottom bracket and the flat plate 3. One end of the bottom bracket, which is far away from the ship body 26, is provided with an inclined strut 7 connected with a ship board of the ship body 26, the inclined struts 7 are symmetrically arranged on two sides of the rectangular square frame 4, and the inclined struts 7 are welded on the ship board and the bottom bracket which overhangs the ship body 26 to form a triangular support, so that the construction platform is more stable.
The bottom bracket comprises a plurality of parallel channel steel 2 which are arranged on two sides of the truss 9 at intervals, one end of each channel steel 2 is welded on a deck of the ship body 26, and the other end of each channel steel 2 is suspended outside the ship body 26. The steel stiffening ribs 6 which connect the channel steels 2 into a whole are welded on the channel steels 2, the high-strength steel pipes 5 are welded at the ends, far away from the ship body 26, of the channel steels 2, and the high-strength steel pipes 5 are used for restraining the truss 9 and preventing the truss 9 from toppling to the outer side area. The base box 8 comprises a weight box 31 located on the river bed and a weight body located in the weight box 31, a foot pile 30 inserted into the river bed to a set depth is arranged at the bottom of the weight box 31, and a guide hole 11 with the diameter of 180mm is arranged at the center of the weight box 31.
The plane size of the weight box 31 is 3m multiplied by 4m, the weight is usually 6-12 tons, and the weight can be dynamically increased or decreased according to the requirement of the field penetration counterforce. The foot piles 30 are fixedly connected with the weight boxes 31, the height of the foot piles 30 is 2-3 m, and the foot piles 30 are inserted into a riverbed. The size and weight of the weight box 31 can be dynamically adjusted according to the actual requirements of the upper load and the stability of the truss 9, and the length of the foot pile 30 and the depth of the foot pile inserted into the riverbed can be adjusted according to the actual conditions of the riverbed stratum by comprehensively considering the stability requirements of the truss platform.
The middle part of the exploration platform 10 is provided with a mounting hole 14 with the diameter of 180mm and penetrating into the probe rod assembly 19, a guide sleeve 13 for communicating the guide hole 11 with the mounting hole 14 is fixedly arranged on the truss 9, and the axis of the guide sleeve 13 and the axis of the mounting hole 14 are collinear with the axis of the guide hole 11. The probe assembly 19 penetrates into the mounting hole 14, the guide sleeve 13 and the guide hole 11 from the top of the exploration platform 10 downwards in sequence and then vertically enters soil mass below the river bed. A safety fence 15 with a height of 1.2m is arranged on the exploration platform 10.
In some alternative embodiments: referring to fig. 4, the embodiment of the application provides a water area CPTU testing system, a truss 9 of the water area CPTU testing system comprises four upright posts 12 which are arranged in a rectangular shape and have diameters of 127mm, the tops and the bottoms of two adjacent upright posts 12 are connected through a cross rod, and the two adjacent upright posts 12 are connected through a first X-shaped inclined rod. The tops and the bottoms of the four upright posts 12 are connected through second X-shaped inclined rods, the tops and the bottoms of the four upright posts 12 are provided with flange plates 16, two ends of each guide sleeve 13 are connected with the second X-shaped inclined rods at the tops and the bottoms of the four upright posts 12, and the guide sleeves 13 are vertically positioned at the center of the truss 9.
The truss 9 is prefabricated in a welding mode in a factory, the height of the truss 9 is different from 1m to 4m, so that the truss 9 can be conveniently assembled dynamically according to factors such as on-site water depth and tidal change, the four upright columns 12 with the diameter of 127mm, the cross rods, the first X-shaped inclined rods and the second X-shaped inclined rods jointly form a three-dimensional frame, the guide sleeve 13 is arranged in the middle of the frame, and the guide sleeve 13 serves as a part of a supporting stress structure of the truss 9 and also serves as a penetration guide pipe of the feeler lever assembly 19. The truss 9 is fixed on the surface of the base box 8 through the flange plate 16, the detachable connection among the base box 8, the truss 9, the exploration platform 10 and the truss 9 can be realized through the bolting of the flange plate 16, the prefabrication and the transportation of equipment are facilitated, and the height of the truss platform unit can be dynamically adjusted according to the water depth so as to adapt to the operation environments with different water depths.
The height of the truss platform unit is adjusted through the number of assembling layers of the trusses 9, and the prefabricated single-section trusses 9 with different heights provide various assembling combinations for the truss platform unit, so that the truss platform unit can adapt to operation water areas with different depths. According to the application, case experience is successfully implemented in deep-middle channel exploration projects, north-edge-river high-speed-iron Yangtze river water area exploration projects, Changtai Yangtze river bridge exploration projects, sea-Tai-river channel exploration projects and the like, factors such as stress safety of a truss 9 structure are comprehensively considered, and the depth range of the water area suitable for operation is about 2.0-50.0 m.
In some alternative embodiments: referring to fig. 1 to 3, the embodiment of the application provides a water area CPTU testing system, a plurality of auxiliary sleeves 28 with successively reduced diameters are arranged in a guide sleeve 13 of the water area CPTU testing system, a probe assembly 19 includes a probe 22 and a probe 23 connected to the bottom of the probe 22, and the probe 22 is located in the auxiliary sleeves 28. The exploration platform 10 is provided with a hydraulic loading system 18 which penetrates into the probe rod assembly 19 downwards, and the hydraulic loading system 18 penetrates the probe rod 22 and the probe 23 downwards to a set depth through the clamp 21. The auxiliary sleeve 28 comprises a sleeve with diameter phi 146mm, a sleeve with diameter phi 127mm, a sleeve with diameter phi 110mm, a sleeve with diameter phi 91mm and a sleeve with diameter phi 55mm which are sleeved in the guide sleeve 13 in sequence, and the auxiliary sleeve 28 is positioned in the guide sleeve 13 and used for guiding and protecting the probe rod 22. The probe 22 is guided and protected by the multiple auxiliary sleeves 28, so that the bending angle of the probe 22 is prevented from being too large during loading, the penetration angle is controllable, and the impact of water flow on the probe 22 is reduced or eliminated.
A drill slide groove 29 which is connected with the bottom of the geological drilling drill 24 in a sliding mode is arranged on the top of the exploration platform 10, a CPTU penetration control system 20 which collects detection data of the probe rod assembly 19 is further arranged on the top of the exploration platform 10, and the hydraulic loading system 18 is installed on the exploration platform 10 and used for pressurizing the probe rod assembly 19. The probe rod assembly 19 is clamped by the clamp 21 of the hydraulic loading system 18 and guided by the auxiliary casing 28 to ensure that the probe rod assembly 19 vertically penetrates into the soil body; the CPTU penetration control system 20 is used for collecting real-time data transmitted by the probe rod assembly 19 so as to realize real-time transmission and display of field detection data.
The geological drilling rig 24 is arranged on the exploration platform 10 and is used for installing an auxiliary casing 28 and drilling a lead hole; the geological drilling rig 24 is matched with the lead hole, so that the penetration depth is not influenced by the stratum, the penetration depth is obviously increased, and the water area adaptability of the CPTU testing technology is greatly improved. Before starting the test, the auxiliary casing 28 is previously installed in the guide casing 13 by the geological drilling rig 24, and the probe rod assembly 19 is lowered into the auxiliary casing 28 by the hydraulic loading system 18 to be tested. As the test depth increases, the pressurization should be stopped when the probe 22 is tilted or bent too much; the probe rod assembly 19 is first pulled out and the hydraulic loading system 18 is then lifted off the survey platform 10 using the shipboard crane 25. The geological drilling rig 24 slides to the position of the installation hole 14 by using the rig chute 29, the auxiliary casing pipes 28 are pulled up one by one, and the geological drilling rig 24 starts to drill the pilot hole to a required depth by using the drill rods.
In some alternative embodiments: referring to fig. 1 to 3, the embodiment of the present application provides a water area CPTU testing system, in which a flexible restraint 17 flexibly connected to a truss platform unit is disposed on a hull 26 of the water area CPTU testing system, an anchoring unit 32 for fixing the hull 26 to a set water area is disposed on the hull 26, and a ship crane 25 for hoisting the truss platform unit is disposed on a deck of the hull 26. The hull 26 is also provided with a roll pipe 33 for seating the truss 9 on the cantilever platform unit 1, and the roll pipe 33 penetrates the truss 9 to support the truss 9 on the cantilever platform unit 1.
The truss platform unit is stably connected with the ship body 26 through the flexible restraining part 17 made of steel wire ropes and the like, the supporting truss 9 can be inclined when tide rises and falls, the flexible restraining part 17 is arranged, reverse tension can be provided, stress of the truss can be artificially adjusted, stability of the truss 9 is guaranteed, and dynamic adjustability lacking in the rigid restraining part can be overcome. The CPTU test hole site and the ship body 26 are accurately positioned by GPS RTK, and the ship body 26 is used for throwing a 'Mi' -shaped anchor to stabilize the truss platform unit, so that anchor walking is avoided. The base box 8 and the truss 9 are sunk by using the shipborne crane 25, the base box 8 is guaranteed to stably sit in a riverbed, and the truss 9 above the water surface is connected with the ship body by the flexible restraining part 17, so that the truss 9 is prevented from being unstable. The truss platform unit adopts a comprehensive counterweight mode of bottom load, truss dead weight and platform counterweight, the counter-force counterweight can be increased, and 30 tons of load can be provided to the maximum extent.
Referring to fig. 1 to 4, a second aspect of the embodiment of the present application provides a test method for a water area CPTU test system, where the method uses the water area CPTU test system described in any one of the embodiments, and the method includes the following steps:
step 1, driving the ship body 26 to a preset CPTU test hole position, positioning, and anchoring by using the anchoring unit 32 after positioning is finished so as to ensure the position stability of the ship body 26.
And 2, measuring the water depth of the CPTU test hole site to determine the splicing height of the truss 9, firmly bolting the base box 8 and the first section of truss 9 through a flange plate 16, and combining and transporting the base box 8 and the truss 9 to the CPTU test hole site by using a shipborne crane 25.
And 3, utilizing the anti-rolling pipes 33 to seat the trusses 9 on the rectangular square frame 4, continuing to heighten and lower the rest trusses 9 until the foot piles 30 of the base box 8 are inserted into the riverbed, and seat the base box 8 on the riverbed, wherein the splicing height of the trusses 9 enables the exploration platform 10 to be 0.5-3 m higher than the deck of the ship body 26.
And 4, hoisting the exploration platform 10 to the top of the truss 9 and connecting the exploration platform with the truss 9 through a flange plate 16, wherein the guide hole 11 of the base box 8, the guide sleeve 13 of the truss 9 and the mounting hole 14 on the exploration platform 10 are sequentially communicated to form a guide through hole, and the probe rod assembly 19, a drill rod of the geological drilling rig 24 and the like are accurately positioned through the guide through hole.
And 5, connecting the truss 9 with the ship body 26 by using the flexible restraining part 17, measuring the verticality of the truss 9 and the levelness of the exploration platform 10 by using the horizontal ruler, if the truss 9 is not vertical, applying a pulling force by using the flexible restraining part 17 to ensure that the truss is vertical, and adjusting the levelness of the exploration platform 10 by increasing or decreasing the balancing weight 27 on the exploration platform until the exploration platform 10 is adjusted to be horizontal.
And 6, hoisting the geological drilling rig 24 to the exploration platform 10 by using a shipborne crane 25, sequentially pre-descending a plurality of auxiliary casings 28 to the CPTU test hole positions through the guide through holes by using the geological drilling rig 24, and sliding the geological drilling rig 24 off the mounting hole 14 by using a rig sliding groove 29.
And 7, hoisting the hydraulic loading system 18 and the CPTU penetration control system 20 of the CPTU test unit onto the exploration platform 10 by using a shipborne crane 25, and descending the probe rod assembly 19 into the auxiliary casing 28 by using the clamp 21 of the hydraulic loading system 18 to start the test.
And 8, checking the water depth at intervals of 20 minutes in each pressurizing process so as to correct the pore water pressure in later-period data processing, continuously increasing the side friction resistance and the end resistance of the probe rod 22 along with the increase of the test depth, and stopping the injection and drilling the pilot hole when the injection resistance of the probe rod assembly 19 reaches a set value or the length of the probe rod 22 below a plurality of auxiliary casings 28 reaches the set value.
And 9, after the penetration is stopped, hoisting the CPTU test unit away from the CPTU test hole site, sliding the geological drilling rig 24 to the mounting hole 14 by using the rig chute 29, pulling out the auxiliary sleeves 28 from the geological drilling rig 24, and then drilling the pilot hole, wherein in order to ensure the integrity of the static exploration data, the depth of the pilot hole is not more than the penetration depth of the probe rod assembly 19, and the depth of the pilot hole is more than 0.5m above the penetration depth.
And step 10, after the pilot holes are drilled, a plurality of auxiliary casings 28 are placed in the geological drilling rig 24, the geological drilling rig 24 is slid away from the installation hole 14, the CPTU test unit is installed, the test is continued, the lifting work of one auxiliary casing 28 can be reduced in each pilot hole, and the steps of penetration and pilot hole are repeated until the required depth of the CPTU test is reached.
And 11, after the test operation is finished, hoisting the CPTU test unit and the geological drilling rig 24 to a deck of a ship body 26 by using a shipborne crane 25, disassembling the truss platform unit from top to bottom, hoisting the truss platform unit to the deck of the ship body 26, and carrying out a test on the next CPTU test hole site.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in this application, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A water CPTU test system, comprising:
the truss platform unit comprises a base box (8) which is used for being located on a riverbed and can be stably connected with the riverbed, the top of the base box (8) is provided with a plurality of sections of trusses (9) which are sequentially connected in a high mode, and the top of each truss (9) is provided with an exploration platform (10) which is higher than the water surface by a set height;
a CPTU test unit comprising a probe assembly (19) penetrating downwardly from the survey platform (10) into the river bed to a set depth, and a geological drilling rig (24) located at the top of the survey platform (10) to provide a pilot coring operation for the probe assembly (19);
platform unit (1) encorbelments, platform unit (1) encorbelments including anchor hull (26) in the waters to and the group locate hull (26) one side and to the construction platform of hull (26) outside extension, set up on the construction platform and transfer rectangle square frame (4) that provide direction and location for truss (9).
2. A water area CPTU testing system as claimed in claim 1, wherein:
the construction platform comprises a bottom bracket and a flat plate (3) paved at the top of the bottom bracket, one end of the bottom bracket is welded on a deck of the ship body (26), and the other end of the bottom bracket is suspended outside the ship body (26);
the rectangular square frames (4) are formed on the bottom bracket and the flat plate (3), the truss (9) is located in the rectangular square frames (4) on the bottom bracket and the flat plate (3), and one end, far away from the ship body (26), of the bottom bracket is provided with an inclined strut (7) connected with the ship board of the ship body (26).
3. A water area CPTU testing system as claimed in claim 2, wherein:
bottom bracket is including the channel-section steel (2) that are located many mutual parallels of truss (9) both sides and the interval sets up, and the one end of channel-section steel (2) welds in the deck of hull (26), and the other end of channel-section steel (2) hangs in the hull (26) outside, many the welding has steel stiffening rib (6) that become many channel-section steel (2) an organic whole, many the one end welding that hull (26) were kept away from in channel-section steel (2) has high strength steel pipe (5).
4. A water area CPTU testing system as claimed in claim 1, wherein:
the base box (8) comprises a weight box (31) located on a river bed and a weight body located in the weight box (31), a foot pile (30) inserted into the river bed to a set depth is arranged at the bottom of the weight box (31), and a guide hole (11) is formed in the center of the weight box (31);
the middle part of the exploration platform (10) is provided with a mounting hole (14) penetrating into the probe rod assembly (19), a guide sleeve (13) communicating the guide hole (11) with the mounting hole (14) is fixedly arranged on the truss (9), and the axis of the guide sleeve (13), the axis of the mounting hole (14) and the axis of the guide hole (11) are collinear.
5. The CPTU testing system for water areas of claim 4, wherein:
the truss (9) comprises four upright posts (12) which are arranged in a rectangular shape, the tops and the bottoms of two adjacent upright posts (12) are connected through a cross rod, and the two adjacent upright posts (12) are connected through a first X-shaped inclined rod;
the top and the bottom of the four upright columns (12) are connected through second X-shaped inclined rods, the top and the bottom of each of the four upright columns (12) are provided with flange plates (16), and the two ends of each guide sleeve (13) are connected with the second X-shaped inclined rods at the top and the bottom of each of the four upright columns (12).
6. The CPTU testing system for water areas of claim 4, wherein:
a plurality of auxiliary sleeves (28) with the diameters sequentially reduced are arranged in the guide sleeve (13), the probe rod assembly (19) comprises a probe rod (22) and a probe (23) connected to the bottom of the probe rod (22), and the probe rod (22) is located in the auxiliary sleeves (28);
the exploration platform (10) is provided with a hydraulic loading system (18) which penetrates into the probe rod assembly (19) downwards, and the probe rod (22) is penetrated into the hydraulic loading system (18) downwards to a set depth through a clamp (21).
7. The water area CPTU test system of claim 1, wherein:
the ship body (26) is provided with a flexible restraining piece (17) flexibly connected with the truss platform unit, the ship body (26) is provided with an anchoring unit (32) for fixing the ship body (26) in a set water area, and a ship-borne crane (25) for hoisting the truss platform unit is arranged on a deck of the ship body (26).
8. A water area CPTU testing system as claimed in claim 1, wherein:
the top of the exploration platform (10) is provided with a drilling machine sliding groove (29) which is in sliding connection with the bottom of a geological drilling machine (24), and the top of the exploration platform (10) is also provided with a CPTU penetration control system (20) for acquiring detection data of the probe rod assembly (19).
9. A water area CPTU testing system as claimed in claim 1, wherein:
still be equipped with on hull (26) and sit anti-roll pipe (33) on platform unit (1) encorbelments with truss (9), anti-roll pipe (33) penetrate truss (9) in order to support truss (9) on platform unit (1) encorbelments.
10. A method of testing a water CPTU testing system using the water CPTU testing system of any of claims 1 to 9, the method comprising the steps of:
the ship body (26) is driven to a preset CPTU test hole position and is positioned, and after the positioning is finished, the anchoring unit (32) is utilized for anchoring so as to ensure the position of the ship body (26) to be stable;
measuring the water depth of the CPTU test hole site to determine the splicing height of the truss (9), firmly bolting the base box (8) and the first section of truss (9) through a flange plate (16), and using a shipborne crane (25) to combine and transport the base box (8) and the truss (9) to the CPTU test hole site;
the truss (9) is located on the rectangular square frame (4) through the anti-rolling pipe (33), the rest of the truss (9) continues to be connected and lowered until the foot piles (30) of the base box (8) are inserted into the river bed, the base box (8) is located on the river bed, and the splicing height of the truss (9) enables the exploration platform (10) to be 0.5-3 m higher than the deck of the ship body (26);
the method comprises the following steps that an exploration platform (10) is hoisted to the top of a truss (9) and is connected with the truss (9) through a flange plate (16), and a guide hole (11) of a base box (8), a guide sleeve (13) of the truss (9) and a mounting hole (14) in the exploration platform (10) are sequentially communicated to form a guide through hole;
connecting a truss (9) with a ship body (26) by using a flexible restraining part (17), measuring the verticality of the truss (9) and the levelness of the exploration platform (10) by using a horizontal ruler, if the truss (9) is not vertical, applying a pulling force by using the flexible restraining part (17) to ensure that the truss is vertical, and adjusting the levelness of the exploration platform (10) by increasing or decreasing a balancing weight (27) on the exploration platform (10) until the exploration platform (10) is adjusted to be horizontal;
hoisting a geological drilling rig (24) to an exploration platform (10) by using a shipborne crane (25), sequentially pre-descending a plurality of auxiliary casings (28) to a CPTU test hole position through a guide through hole by using the geological drilling rig (24), and sliding the geological drilling rig (24) away from a mounting hole (14) by using a rig sliding chute (29);
hoisting a hydraulic loading system (18) and a CPTU penetration control system of the CPTU test unit to an exploration platform (10) by using a shipborne crane (25), and descending a probe rod assembly (19) into an auxiliary casing (28) by using a clamp (21) of the hydraulic loading system (18) to start a test;
when the penetration resistance of the probe rod assembly (19) reaches a set value or the length of the probe rod (22) below the plurality of auxiliary casings (28) reaches a set value, stopping penetration and drilling a lead hole;
after the penetration is stopped, the CPTU testing unit is lifted away from the CPTU testing hole site, a geological drilling rig (24) is slid to the mounting hole (14) by utilizing a rig chute (29), a plurality of auxiliary casings (28) are pulled out, then the drilling is carried out for leading the hole, and the depth of the leading hole is not more than the penetration depth of the probe rod assembly (19);
after the pilot holes are drilled, a geological drilling rig (24) puts a plurality of auxiliary casings (28) downwards, then the geological drilling rig (24) slides away from the mounting hole (14), then a CPTU testing unit is mounted, the test is continued, the lifting work of one auxiliary casing (28) can be reduced in each pilot hole, and the steps of penetration and pilot hole are repeated until the required depth of the CPTU test is reached;
after the test operation is finished, the CPTU test unit, the geological drilling rig (24) and the ship-borne crane (25) are hoisted to a deck of the ship body (26), the truss platform unit is disassembled from top to bottom and hoisted to the deck of the ship body (26), and the ship-borne crane goes to the next CPTU test hole site for testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210465376.4A CN114776229B (en) | 2022-04-25 | 2022-04-25 | Water area CPTU test system and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210465376.4A CN114776229B (en) | 2022-04-25 | 2022-04-25 | Water area CPTU test system and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114776229A true CN114776229A (en) | 2022-07-22 |
| CN114776229B CN114776229B (en) | 2024-01-23 |
Family
ID=82435161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210465376.4A Active CN114776229B (en) | 2022-04-25 | 2022-04-25 | Water area CPTU test system and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114776229B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657671A (en) * | 2023-08-01 | 2023-08-29 | 同济大学 | Test method for horizontal force load test of offshore wind power pile |
| CN117759185A (en) * | 2024-01-16 | 2024-03-26 | 山东省地质矿产勘查开发局第六地质大队(山东省第六地质矿产勘查院) | Geological exploration drilling system |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126755A (en) * | 2007-09-29 | 2008-02-20 | 建设综合勘察研究设计院 | Multifunctional sounding device and its sounding test method |
| CN101519959A (en) * | 2009-04-07 | 2009-09-02 | 铁道第三勘察设计院集团有限公司 | Drilling touching shocking integrative prospecting instrument and use method thereof |
| CN101643110A (en) * | 2009-08-27 | 2010-02-10 | 中交第三航务工程勘察设计院有限公司 | Unilateral cantilever type water survey platform system |
| CN102116018A (en) * | 2011-01-06 | 2011-07-06 | 中国地质大学（武汉） | Full-hydraulic continuous-penetration static sounding machine with double oil cylinder groups |
| CN102235017A (en) * | 2010-04-29 | 2011-11-09 | 宝山钢铁股份有限公司 | Lateral force resisting method for soft soil foundation building |
| CN102518105A (en) * | 2011-11-30 | 2012-06-27 | 中国地质大学（武汉） | Seabed static sounding penetration device |
| CN105064388A (en) * | 2015-07-08 | 2015-11-18 | 重庆大学 | Truss type rear column structure and foundation for boarding bridge and construction method for truss type rear column structure and foundation |
| CN105386408A (en) * | 2015-11-02 | 2016-03-09 | 中交第二航务工程局有限公司 | Deep-water bridge pile foundation construction method |
| CN106522072A (en) * | 2016-11-04 | 2017-03-22 | 宁波大学 | Method for treating open-to-traffic soft soil foundation bridgehead settlement through high-pressure jet grouting piles by means of embankment hole drilling |
| CN206570785U (en) * | 2016-12-14 | 2017-10-20 | 中铁大桥勘测设计院集团有限公司 | A kind of waters cone penetration test platform |
| CN107558479A (en) * | 2017-08-08 | 2018-01-09 | 中铁四局集团第二工程有限公司 | Deepwater foundation steel pile casing entirety locating mounting method |
| CN109056538A (en) * | 2018-08-10 | 2018-12-21 | 武汉二航路桥特种工程有限责任公司 | A kind of modular support system being adapted to SPMT vehicle group |
| CN109235773A (en) * | 2018-11-16 | 2019-01-18 | 中建二局安装工程有限公司 | A kind of lattice type anti-seismic steel pipe column and its construction method applied to large-span truss |
| CN110963002A (en) * | 2018-09-30 | 2020-04-07 | 江苏省工程勘测研究院有限责任公司 | Method for exploration drilling of ship water engineering |
| CN210738487U (en) * | 2019-08-30 | 2020-06-12 | 江苏省水文地质工程地质勘察院 | Shallow water area bottom-sitting type drilling operation device capable of relieving influence of sea waves |
| CN111377038A (en) * | 2020-04-21 | 2020-07-07 | 交通运输部烟台打捞局 | Guide frame for salvage of sunken ship and application thereof |
| CN211685523U (en) * | 2020-01-08 | 2020-10-16 | 中铁大桥勘测设计院集团有限公司 | Overhanging type water area geological drilling ship |
| CN112049578A (en) * | 2020-09-02 | 2020-12-08 | 江苏省水文地质工程地质勘察院 | Offshore drilling operation device |
| CN112324355A (en) * | 2020-11-18 | 2021-02-05 | 江苏省岩土工程勘察设计研究院 | Drilling device and drilling process for geotechnical engineering investigation |
| CN112664136A (en) * | 2020-12-23 | 2021-04-16 | 贺远利 | Drilling platform for geological exploration |
| CN112681277A (en) * | 2020-12-17 | 2021-04-20 | 浙江大学滨海产业技术研究院 | Seabed multi-point position static sounding equipment |
| CN113389363A (en) * | 2021-06-16 | 2021-09-14 | 墨班智能设备(上海)有限公司 | Combined splicing type liftable protective tower |
| CN114182885A (en) * | 2021-12-23 | 2022-03-15 | 中城建(福建)建筑设计研究院有限公司 | Prestressed beam resisting wind suction force |
-
2022
- 2022-04-25 CN CN202210465376.4A patent/CN114776229B/en active Active
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126755A (en) * | 2007-09-29 | 2008-02-20 | 建设综合勘察研究设计院 | Multifunctional sounding device and its sounding test method |
| CN101519959A (en) * | 2009-04-07 | 2009-09-02 | 铁道第三勘察设计院集团有限公司 | Drilling touching shocking integrative prospecting instrument and use method thereof |
| CN101643110A (en) * | 2009-08-27 | 2010-02-10 | 中交第三航务工程勘察设计院有限公司 | Unilateral cantilever type water survey platform system |
| CN102235017A (en) * | 2010-04-29 | 2011-11-09 | 宝山钢铁股份有限公司 | Lateral force resisting method for soft soil foundation building |
| CN102116018A (en) * | 2011-01-06 | 2011-07-06 | 中国地质大学（武汉） | Full-hydraulic continuous-penetration static sounding machine with double oil cylinder groups |
| CN102518105A (en) * | 2011-11-30 | 2012-06-27 | 中国地质大学（武汉） | Seabed static sounding penetration device |
| CN105064388A (en) * | 2015-07-08 | 2015-11-18 | 重庆大学 | Truss type rear column structure and foundation for boarding bridge and construction method for truss type rear column structure and foundation |
| CN105386408A (en) * | 2015-11-02 | 2016-03-09 | 中交第二航务工程局有限公司 | Deep-water bridge pile foundation construction method |
| CN106522072A (en) * | 2016-11-04 | 2017-03-22 | 宁波大学 | Method for treating open-to-traffic soft soil foundation bridgehead settlement through high-pressure jet grouting piles by means of embankment hole drilling |
| CN206570785U (en) * | 2016-12-14 | 2017-10-20 | 中铁大桥勘测设计院集团有限公司 | A kind of waters cone penetration test platform |
| CN107558479A (en) * | 2017-08-08 | 2018-01-09 | 中铁四局集团第二工程有限公司 | Deepwater foundation steel pile casing entirety locating mounting method |
| CN109056538A (en) * | 2018-08-10 | 2018-12-21 | 武汉二航路桥特种工程有限责任公司 | A kind of modular support system being adapted to SPMT vehicle group |
| CN110963002A (en) * | 2018-09-30 | 2020-04-07 | 江苏省工程勘测研究院有限责任公司 | Method for exploration drilling of ship water engineering |
| CN109235773A (en) * | 2018-11-16 | 2019-01-18 | 中建二局安装工程有限公司 | A kind of lattice type anti-seismic steel pipe column and its construction method applied to large-span truss |
| CN210738487U (en) * | 2019-08-30 | 2020-06-12 | 江苏省水文地质工程地质勘察院 | Shallow water area bottom-sitting type drilling operation device capable of relieving influence of sea waves |
| CN211685523U (en) * | 2020-01-08 | 2020-10-16 | 中铁大桥勘测设计院集团有限公司 | Overhanging type water area geological drilling ship |
| CN111377038A (en) * | 2020-04-21 | 2020-07-07 | 交通运输部烟台打捞局 | Guide frame for salvage of sunken ship and application thereof |
| CN112049578A (en) * | 2020-09-02 | 2020-12-08 | 江苏省水文地质工程地质勘察院 | Offshore drilling operation device |
| CN112324355A (en) * | 2020-11-18 | 2021-02-05 | 江苏省岩土工程勘察设计研究院 | Drilling device and drilling process for geotechnical engineering investigation |
| CN112681277A (en) * | 2020-12-17 | 2021-04-20 | 浙江大学滨海产业技术研究院 | Seabed multi-point position static sounding equipment |
| CN112664136A (en) * | 2020-12-23 | 2021-04-16 | 贺远利 | Drilling platform for geological exploration |
| CN113389363A (en) * | 2021-06-16 | 2021-09-14 | 墨班智能设备(上海)有限公司 | Combined splicing type liftable protective tower |
| CN114182885A (en) * | 2021-12-23 | 2022-03-15 | 中城建(福建)建筑设计研究院有限公司 | Prestressed beam resisting wind suction force |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657671A (en) * | 2023-08-01 | 2023-08-29 | 同济大学 | Test method for horizontal force load test of offshore wind power pile |
| CN116657671B (en) * | 2023-08-01 | 2023-10-13 | 同济大学 | Test method for horizontal force load test of offshore wind power pile |
| CN117759185A (en) * | 2024-01-16 | 2024-03-26 | 山东省地质矿产勘查开发局第六地质大队(山东省第六地质矿产勘查院) | Geological exploration drilling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114776229B (en) | 2024-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114776229B (en) | Water area CPTU test system and test method | |
| CN110397076B (en) | Construction method of deep-water large-diameter cast-in-place pile | |
| US8834071B2 (en) | Device for manufacturing a foundation for a mass located at height, associated method and assembly of the device and a jack-up platform | |
| CN107034931B (en) | Steel pipe pile verticality detection device and deepwater steel pipe pile construction method | |
| CN102535529A (en) | Construction method of self-balancing method pile foundation bearing capacity test device | |
| US4812080A (en) | Offshore platform jacket and method of installation | |
| CN110924307A (en) | Trestle construction method for bare rock geology | |
| CN107059850A (en) | A kind of inland river deep water rock quality base steel tube pile embeded in rock construction system and technique | |
| CN113605390A (en) | Accurate positioning structure for pile connection and construction method | |
| US8146418B2 (en) | Apparatus and method for soil testing for jack-up rigs | |
| CN114673153A (en) | Construction method of complex stratum overlength large-diameter pile foundation casing structure | |
| CN113638417A (en) | Pile connection accurate positioning pouring system and construction method | |
| CN211080335U (en) | High strain method pile foundation dynamic test device | |
| CN110656890B (en) | Deepwater geological drilling casing, casing hoisting system and casing hoisting method | |
| CN103422486A (en) | Shipborne truss combined in-situ testing platform | |
| CN113981961A (en) | Barge type pile planting method for deep water bare rock | |
| CN114775671A (en) | Large-diameter precast tubular pile construction method under complex geology | |
| CN210737618U (en) | Device for verifying internal force test result of foundation pile | |
| CN112502206A (en) | Construction engineering foundation pile detection method | |
| CN114319356A (en) | Offshore wind power single-pile foundation construction method and special ship | |
| CN210737541U (en) | Positioning device for lowering protective cylinder of underwater cast-in-place pile | |
| CN105735372A (en) | Advance detection method of bearing capacity of single end-bearing type major-diameter cast-in-place pile | |
| CN217811245U (en) | Anti-pulling static load test jack centering and protecting device | |
| CN214614072U (en) | Movable floating platform for precise construction of deep water pile foundation | |
| CN216865092U (en) | Pile foundation base intelligence borer is visited 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |