CN108547334A - Resistance support cylinder and its application method and dead-load detection method - Google Patents
Resistance support cylinder and its application method and dead-load detection method Download PDFInfo
- Publication number
- CN108547334A CN108547334A CN201810563825.2A CN201810563825A CN108547334A CN 108547334 A CN108547334 A CN 108547334A CN 201810563825 A CN201810563825 A CN 201810563825A CN 108547334 A CN108547334 A CN 108547334A
- Authority
- CN
- China
- Prior art keywords
- rod
- opening
- cylinder
- resistance support
- support cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000011084 recovery Methods 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000005553 drilling Methods 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 33
- 239000002689 soil Substances 0.000 description 32
- 238000004873 anchoring Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses resistance support cylinders, including：Cylinder, inner hollow, the opposite both sides of cylinder one are respectively arranged with the first opening and the second opening；The body of rod is rotationally arranged at inner barrel, and the body of rod is obliquely installed, and the body of rod is arranged in a manner of it can rotate to both ends and stretched out respectively from the first opening and the second opening；Raising cord, its first end is connected on the body of rod, and raising cord second end is pierced by the top of cylinder, and the tie point of the first end of raising cord on the body of rod is located at below the rotary shaft of the body of rod, when so that being lifted up raising cord, body of rod both ends are stretched out from the first opening and the second opening respectively.The present invention also provides the application methods of resistance support cylinder and dead-load detection method.Weight of the present invention is small, reasonable in design, simple to operate, and the manufacture of equipment, implementation cost are low, can significantly improve the working efficiency that engineering pile foundation carries out dead-load detection testing operation.
Description
Technical field
The present invention relates to a kind of dedicated for carrying out the kit of dead-load detection to construction project pile foundation.More specifically
It says, the present invention relates to a kind of resistance support cylinder and its application methods and dead-load detection method.
Background technology
It is on the increase with large-scale, skyscraper, basis is also increased therewith using the base form of pile foundation, at present to building
If the pile foundation of engineering field when carrying out ballast detection experiment used method be ballast method, anchored pile-testing method and earth anchor method mostly, this
Several method is all to withstand on test pile stake top using oil jack to be further applied load, and for the counter-force of jack, ballast method passes through
Heap weight on reaction frame balances therewith；Counter-force is transmitted to anchoring pile by anchored pile-testing method by reaction frame, the resistance to plucking dynamic balance with anchoring pile；And ground
Anchor be then using external force by ground anchorage it is engaging-in in subterranean strata, anchor into over the ground generated when row is promoted larger load to
Upper resistance to plucking synthesis mill resistance is balanced by this mill resistance with jack.
But these methods all there are problems that：
It must solve that the source of hundreds of tons of even upper kiloton loads, heap enters and transportation problem for ballast method；Ballast method institute
Need mass concrete block effectively go along with sb. to guard him protection because lacking, detection test in the process often occur concrete block landing and
Ballast carrier total Collapse phenomenon causes the work safety accidents such as Site Detection staff's injures and deaths, while ballast detection method is equal
There are each component installing and dismounting, detection experiment the implementation process time it is long the problems such as.Anchoring pile rule must be provided with more anchoring piles and anti-
Power crossbeam, more anchoring piles not only needed for somewhat expensive, curing time is longer, and is easily limited by tonnage and site condition, and
And anchoring pile is difficult to reuse；Anchored pile-testing method during the test, when the pressure of load is excessive, is likely to result in anchoring pile body and anchoring pile
The plumb joint of pile crown main reinforcement splits or is pulled off, this will directly contribute girder steel and cave in the united reaction frame of anchoring pile, so not
The coherent detections instrument such as jack and displacement sensor can be only damaged, and hidden by being buried to the safety of testing crew
Suffer from.
Invention content
It is an object of the present invention to provide resistance support cylinder and its application method and dead-load detection method, resistance support cylinders
Weight is small, reasonable in design, simple to operate, and the manufacture of equipment, implementation cost are low, can significantly improve engineering pile foundation progress
The working efficiency of dead-load detection testing operation.
In order to realize these purposes and other advantages according to the present invention, a kind of resistance support cylinder is provided, including：
Cylinder, inner hollow, the opposite both sides of the cylinder one are respectively arranged with the first opening and the second opening；
The body of rod is rotationally arranged at the inner barrel, and the body of rod is obliquely installed, and the body of rod is can revolve
The mode that both ends are stretched out from first opening and second opening respectively is gone to be arranged；
Raising cord, first end are connected on the body of rod, and the raising cord second end is pierced by the top of the cylinder,
Tie point of the first end of the raising cord on the body of rod is located at below the rotary shaft of the body of rod so that is lifted up institute
When stating raising cord, the body of rod both ends are stretched out from first opening and second opening respectively.
Preferably, the resistance support cylinder further includes：
The first end of recovery line, the recovery line is fixed on the body of rod, and the second end of the recovery line is from the cylinder
It being pierced by the top of body, the fixed point of the first end of the recovery line on the body of rod is located above the rotary shaft of the body of rod,
When so that being lifted up the recovery line, the body of rod both ends are respectively from described in first opening and the second opening retraction
Cylinder.
Preferably, the resistance support cylinder further includes：
Top board and lower platen, the top board and the lower platen are each attached on the body of rod, the top board and
The lower platen is lived apart the rotary shaft both sides of the body of rod, and at the body of rod both ends respectively from first opening and described
When second opening is stretched out, the top board and the lower platen cover first opening and described second and are open respectively.
Preferably, the resistance support cylinder further includes：
Upper bearing plate and lower bearing plate, the upper bearing plate and the lower bearing plate are separately positioned on the body of rod both ends point
Do not stretch out the part of first opening and second opening, and the upper bearing plate and flat where the lower bearing plate
Face is each perpendicular to the direction of rotation of the body of rod.
Preferably, the resistance support cylinder further includes：
Lift lever, one end is hinged with the body of rod, and hinge joint is located at below the rotary shaft of the body of rod, described to carry
The other end of rising stem and the first end of the raising cord are fixed.
Preferably, the resistance support cylinder further includes：
Body of rod shaft and two shaft holes, described two shaft holes are set to another opposite both sides table of the cylinder
Face, body of rod shaft both ends are respectively rotatably arranged in described two shaft holes, and the body of rod is fixed on the bar
In body shaft.
Preferably, the resistance support cylinder, the body of rod both ends are respectively formed sharp portion.
Preferably, the resistance support cylinder, the equal circular arc in region that the top and bottom of the cylinder are connected with side
Transition.
The present invention also provides the application methods of resistance support cylinder, including：
Drilling；
The resistance support cylinder is hung in the hole being drilled；
Raising cord is promoted with lifting device, until top board and lower platen cover the first opening and the second opening respectively；
Resistance support cylinder after use, discharges raising cord, promotes recovery line and makes body of rod both ends retraction cylinder, and continues to carry
It rises recovery line to the resistance support cylinder and returns to ground.
The present invention also provides the dead-load detection methods for using resistance support cylinder, including：
Drilling；
The resistance support cylinder is hung in the hole being drilled；
Raising cord is promoted with lifting device, until top board and lower platen cover the first opening and the second opening respectively；
Raising cord is connect with reaction beam；
Jack is placed at the top of pile foundation to be measured, providing counter-force using reaction beam for jack carries out dead-load detection；
After the completion of dead-load detection, raising cord is discharged, recovery line is promoted and makes body of rod both ends retraction cylinder, and continue to lift up back
It receives rope to the resistance support cylinder and returns to ground.
The present invention includes at least following advantageous effect：
1, it is a pre-assembled kit, work that engineering pile foundation dead-load detection resistance support wound packages of the invention, which is set,
Making personnel only need to transport and installing engineering static load of pile foundation detection resistance support wound packages is set on recovery line and raising cord, will assemble
Engineering pile foundation dead-load detection resistance support wound packages set and hung in the rock-soil layer hole of underground together with to recovery line and raising cord, then
Crossbeam counterforce device on raising cord and ground is coupled into fastening, using hydraulic device to engineering pile foundation dead-load detection resistance support
Wound packages, which is set, to be lifted up, and resistance support wound packages is recycled to set the upward resistance to plucking resistance generated in underground rock-soil layer, so that it may with
Dead-load detection operation is carried out to pile foundation；After detection operation, resistance support wound packages is set to recycle and be reused again, entirely
Operating process is simple and convenient, solves the problems, such as at present to carry out pile foundation the handling of required a large amount of ballasts when ballast detection is tested,
A large amount of manpower and materials are saved, the huge work of social creativity and business efficiency will be given.
2, structure of the invention reasonable design, operating process is simple and convenient, and the repair of equipment, implementation cost are low, can significantly carry
The working efficiency of high engineering pile in situ dead-load detection experiment equally solves and carries out ballast detection experiment when institute to pile foundation at present
The handling problem for needing a large amount of ballasts, saves a large amount of manpower and materials, will give the huge work of social creativity and business efficiency.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
When Fig. 2 is that the present invention is not yet promoted, the working state figure of the body of rod；
Fig. 3 is the working state figure of the body of rod in lifting process of the present invention；
Fig. 4 is the working state figure of the body of rod after the present invention is promoted.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in Figs 1-4, the present invention provides a kind of resistance support cylinders, including：
Cylinder 1, inner hollow, the opposite both sides of the cylinder 1 one are respectively arranged with the first opening 2 and second opening 3；
The body of rod 4 is rotationally arranged inside the cylinder 1, and the body of rod is obliquely installed, and the body of rod is with can
The mode stretched out from first opening 2 and second opening 3 respectively to both ends (5,6) is rotated to be arranged；
Raising cord 12, first end are connected on the body of rod 4, and the raising cord second end is from the top of the cylinder 1
It is pierced by, the tie point of the first end of the raising cord 12 on the body of rod is located at below the rotary shaft of the body of rod so as to
When the upper promotion raising cord, the body of rod both ends (5,6) are stretched out from first opening 2 and second opening 3 respectively.
In the above-mentioned technical solutions, cylinder 1 is square tube, cylinder, preferably cylinder, convenient for being put into hole.Cylinder 1
The hollow structure being vertically arranged, left and right sides setting the first opening 2 of cylinder 1 and the second opening 3, for cylinder, are interpreted as
It is four cambered plates by the cylinder quartering, opposite both sides are opposite two cambered plates.The body of rod by middle part rotatably
It is arranged inside cylinder 1, the body of rod tilts, and the upper and lower ends of the body of rod are respectively close to the upper edge of the first opening 2 and the second opening 3
Lower edge so that the body of rod when being rotated around rotary shaft, both ends can respectively from first opening 2 and second opening 3 stretch out.Tool
Body, by raising cord come so that the body of rod rotates (be set to rotate in the forward direction here), correspondingly, the tie point of raising cord and the body of rod needs
It will be in the lower section of rotary shaft, so that the lifting force of raising cord can drive the body of rod to be rotated around rotary shaft.1 top of cylinder can be pre-
Stay through-hole so that raising cord can pass through.
It is hung in the good hole of digging together with to raising cord in use, setting assembled resistance support wound packages, uses liquid
The lifting devices such as pressure device slowly promote raising cord, and raising cord drives the body of rod to rotate in turn, around the engaging-in hole in both ends of the body of rod
Rock-soil layer in, generate a resistance to plucking overall drag, after reaching prestressing force requirement, by raising cord and ground crossbeam counter-force fill
It sets and is fastenedly connected, then be further applied load to crossbeam counterforce device by hydraulic jack, reach and dead-load detection experiment is carried out to pile foundation
Effect.As it can be seen that the device of the invention is reasonable in design, can be prefabricated in the factory part, can assemble at the scene, operating process letter
Just, implementation cost is low to be solved the problems, such as at present to carry out pile foundation the handling of required a large amount of ballasts when ballast detection is tested folk prescription,
A large amount of manpower and materials are saved, the huge work of social creativity and business efficiency will be given.
In another technical solution, the resistance support cylinder further includes：
The first end of recovery line 11, the recovery line 11 is fixed on the body of rod, and the second end of the recovery line is from institute
The top for stating cylinder 1 is pierced by, and the fixed point 14 of the first end of the recovery line on the body of rod is located at the rotation of the body of rod
Above axis so that when being lifted up the recovery line, the body of rod both ends (5,6) are respectively from first opening 2 and described the
Two openings 3 are retracted the cylinder 1.Here, recovery line is added on the basis of a upper technical solution, the first end of recovery line is fixed
On the body of rod, fixed point 14 is located above rotary shaft, after the first opening 2 and second opening 3 is stretched out at body of rod both ends respectively, is promoted
Recovery line can make the body of rod reversely rotate, and body of rod both ends be applied with the power of retraction cylinder 1 so that body of rod both ends are from rock-soil layer
Abjection, so that resistance support cylinder can be elevated go back to ground.The top of cylinder 1 can be with reserved through hole so that recovery line can be with
It passes through.In this way, after detection operation, resistance support wound packages is set to recycle and be reused again, and cost is reduced.
In another technical solution, the resistance support cylinder further includes：
Top board 7 and lower platen 8, the top board and the lower platen are each attached on the body of rod, the top board
Live apart with the lower platen rotary shaft both sides of the body of rod, and at the body of rod both ends respectively from first opening, 2 Hes
When second opening 3 is stretched out, the top board and the lower platen cover first opening 2 and second opening respectively
3.Here, top board and lower platen for protecting 1 internal structure of cylinder are more used to that the body of rod to be prevented further to make useless rotation.
Top board 7 and lower platen 8 are each attached on the body of rod, at an angle with the body of rod so that body of rod both ends design length part enters
When rock-soil layer, top board and lower platen just cover the first opening 2 and second opening 3, but also top board and pushing plate surface
It is contradicted with rock-soil layer, the body of rod is prevented to further rotate.In the technical scheme, the first opening 2 and the second opening 3 need to be staggered to set
It sets, such as Fig. 4.
In another technical solution, the resistance support cylinder further includes：
Upper bearing plate 16 and lower bearing plate 17, the upper bearing plate 16 and the lower bearing plate 17 are separately positioned on the bar
The part of first opening 2 and second opening 3, and the upper bearing plate and described are stretched out in body both ends (5,6) respectively
Plane where lower bearing plate is each perpendicular to the direction of rotation of the body of rod 4.Here, upper bearing plate and lower bearing plate are perpendicular to bar
Plane where the direction of rotation of body, the upward resistance to plucking resistance for enhancing resistance support cylinder, upper bearing plate and lower bearing plate
Width only should be slightly bigger than the width of the body of rod, wide, may be unfavorable for body of rod both ends and enter rock-soil layer.
In another technical solution, the resistance support cylinder further includes：
Lift lever 9, one end is hinged with the body of rod 4, and hinge joint 10 is located at below the rotary shaft of the body of rod, institute
The first end for stating the other end and the raising cord of lift lever 9 is fixed.Here there is provided lift lever, it is convenient to the body of rod apply to
On active force, be also convenient for connecting more raising cords.
In another technical solution, the resistance support cylinder further includes：
Body of rod shaft 13 and two shaft holes 15, it is another opposite that described two shaft holes 15 are set to the cylinder 1
Both side surface, 13 both ends of body of rod shaft are respectively rotatably arranged in described two shaft holes, and the body of rod is solid
It is scheduled in the body of rod shaft.Here there is provided a kind of bodies of rod to be pivotably coupled to the mode inside cylinder 1, i.e. through hole
Hole and shaft, it is easy to process, it is easy to use.
In another technical solution, the resistance support cylinder, the body of rod both ends are respectively formed sharp portion.Here, sharp
Thorn portion is convenient for piercing rock-soil layer.
In another technical solution, the resistance support cylinder, what the top and bottom of the cylinder 1 were connected with side
The equal arc transition in region.Here, arc transition, which can facilitate, to enter in hole below resistance support cylinder, reduces promoted to a certain degree
Resistance when resistance support cylinder.
The present invention also provides the application methods of resistance support cylinder, including：
Drilling；
The resistance support cylinder is hung in the hole being drilled；
Raising cord is promoted with lifting device, until top board and lower platen cover the first opening and the second opening respectively；
Resistance support cylinder after use, discharges raising cord, promotes recovery line and makes body of rod both ends retraction cylinder, and continues to carry
It rises recovery line to the resistance support cylinder and returns to ground.
In the above-mentioned technical solutions, it is drilled first using drilling machine, the hole of brill is slightly larger than the outer diameter of cylinder, then will
Raising cord and recovery line are connect with lifting device, and lifting device can be hydraulic lifting apparatus or mechanical lifting device, then will
Resistance support cylinder is put into hole.Then, raising cord is promoted with lifting device so that the body of rod rotates in the forward direction, until top board is under
Pressing plate covers the first opening and the second opening respectively, and body of rod both ends can not go successively to rock-soil layer at this time, and resistance support cylinder is formed
One resistance to plucking overall drag can carry out the purposes such as dead-load detection using the resistance.After the completion of use, raising cord is discharged, is promoted
Recovery line so that the body of rod reversely rotates, and body of rod both ends are deviate from from rock-soil layer, and then recovery line drives resistance support cylinder to return to ground
Face.
The present invention also provides the dead-load detection methods for using resistance support cylinder, including：
Drilling；
The resistance support cylinder is hung in the hole being drilled；
Raising cord is promoted with lifting device, until top board and lower platen cover the first opening and the second opening respectively；
Raising cord is connect with reaction beam；
Jack is placed at the top of pile foundation to be measured, providing counter-force using reaction beam for jack carries out dead-load detection；
After the completion of dead-load detection, raising cord is discharged, recovery line is promoted and makes body of rod both ends retraction cylinder, and continue to lift up back
It receives rope to the resistance support cylinder and returns to ground.
In the above-mentioned technical solutions, identical as a upper technical solution using the method for resistance support cylinder, here not further
It repeats, before carrying out dead-load detection, raising cord is connect with reaction beam, you can provide for jack resistance support cylinder enough
Counter-force completes static load of pile foundation detection.
In another technical solution, using the dead-load detection method of resistance support cylinder, including：
(1) engineering pile foundation dead-load detection resistance support wound packages is set good in factory-assembled in advance, is connected again after reaching operation field
It connects raising cord and recovery line to can be used, can also be assembled through loose mail in operation field；Then again respectively by raising cord and recycling
Rope is fastenedly connected with the mechanically or hydraulically promotion on ground, retracting device.
(2) it at engineering pile foundation dead-load detection scene, descends rock-soil layer to drill over the ground to form hole using machine drilling machinery, so
It selects a length to be set much larger than the resistance support wound packages of excavated underground rock-soil layer hole diameter afterwards, while ensuring to protect cylinder
Diameter is slightly less than the diameter of excavated underground rock-soil layer drilling.
(3) and then the resistance support wound packages for having had connected raising cord and recovery line is set and hangs onto underground rock-soil layer hole
In, on the ground raising cord constantly slowly promoted upwards using mechanically or hydraulically device, slowly being promoted makes raising cord
Pull lift lever, slowly promoted at this point, lift lever will pull drag link body lower end, at this moment, the upper end of the body of rod and lower both ends with
The body of rod shaft is rotated for circumferential point, since the body of rod is a strip column, when one end of the body of rod is opened
Begin rotation, the corresponding other end of the body of rod, which will also synchronize, to be rotated, and the direction of rotation of the two is on the contrary, the body of rod in this way
Top and bottom drill bit plate tip part will be with rough ground surface layer on sub-surface hole hole wall in rotary course
Mutually contradict, especially upper end drill bit plate point mutually will persistently generate friction under effect of inertia with underground rock-soil layer surface layer,
Under rubbing action, the upper end of the body of rod and lower end drill bit plate point will voluntarily creep into and in the engaging-in rock-soil layers to underground, with
The whole constantly slowly promotion upwards of support tube device, the upper end of the body of rod and lower end drill bit plate tip position will persistently bore
Into in the engaging-in rock-soil layer to underground, when the upper end of the body of rod and lower end crept into when creeping into underground rock-soil layer reach top board and
When pushing Board position, top board and lower platen will stop that the upper end of the body of rod and the drill bit plate tip position of lower end continue to creep into respectively
In the rock-soil layer of underground, mechanically or hydraulically device on the ground carries out under the action of constantly slowly being promoted upwards raising cord, bar
The upper-end part of driving of body and lower end position will can not continue to creep into the engaging-in rock-soil layer to underground with enhancing action, the body of rod two
The top board and lower platen of end will be fitted closely with underground ground surface layer securely, at this point, the body of rod in protection cylinder is on ground
In tiltedly vertical state in lower rock-soil layer hole, when continuing to lift up support tube device, the body of rod in the engaging-in rock-soil layer to underground will
A resistance to plucking overall drag can be formed, the upward resistance to plucking overall drag body of a larger load is formed, enhances resistance support wound packages
The whole resistance to plucking resistance upwards set, when resistance support wound packages is set because underground ground layer resistance can not continue up prestretching and reach
After prestressing force requires, the crossbeam counterforce device on raising cord and ground is fastenedly connected, then anti-to crossbeam by hydraulic jack
Power apparatus is further applied load, and has the function that carry out dead-load detection experiment to pile foundation.Diameter is slightly less than excavated underground rock-soil layer
The protection cylinder of bore diameter can also respectively play a supporting role in protection to the soil layer for the surrounding that drills, when the upper end of the body of rod and lower end are bored
Head plate pointed drill into and it is engaging-in to hole sidewalls surrounding soil layer during the rock-soil layer of underground, will necessarily be disturbed and then cause hole side table
Face soil layer part avalanche, at this point, the protection cylinder of circular preferably can ground-to-ground descend the surface soil layer of soil layer drilling surrounding hole side
Play support protective effect.
(4) after static load of pile foundation detection experiment work, raising cord is released using mechanically or hydraulically device on the ground
Pulling force makes whole raising cord is fully relaxed to get off, at this point, upper and lower two ends of the body of rod and top board and lower platen also will be from
Pine is from then on the ground using mechanically or hydraulically device promotion recovery line, recovery line is constantly slow upwards in the rock-soil layer of underground
Under the action of slow promotion, recovery line will strongly extract the upper-end part of driving of the body of rod out from the rock-soil layer of underground, meanwhile, it also can be by bar
The lower end position of body is extracted out from the rock-soil layer of underground, is further continued for promoting recovery line, the upper and lower end of the entire body of rod is made to take in completely
In the cylinder of the protection cylinder, recovery line is continued to lift up, final entire resistance support wound packages is set and will be promoted onto ground, to resistance
After power support tube device rearranges, it can reuse again.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To resistance support of the present invention
Cylinder will be readily apparent to persons skilled in the art with, modifications and variations.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. resistance support cylinder, which is characterized in that including：
Cylinder, inner hollow, the opposite both sides of the cylinder one are respectively arranged with the first opening and the second opening；
The body of rod is rotationally arranged at the inner barrel, and the body of rod is obliquely installed, and the body of rod is can rotate to
The mode that both ends are stretched out from first opening and second opening respectively is arranged；
Raising cord, first end are connected on the body of rod, and the raising cord second end is pierced by the top of the cylinder, described
Tie point of the first end of raising cord on the body of rod is located at below the rotary shaft of the body of rod so that is lifted up described carry
When rising rope, the body of rod both ends are stretched out from first opening and second opening respectively.
2. resistance support cylinder as described in claim 1, which is characterized in that further include：
The first end of recovery line, the recovery line is fixed on the body of rod, and the second end of the recovery line is from the cylinder
Top is pierced by, and the fixed point of the first end of the recovery line on the body of rod is located above the rotary shaft of the body of rod so that
When being lifted up the recovery line, the body of rod both ends are respectively from first opening and the second opening retraction cylinder
Body.
3. resistance support cylinder as described in claim 1, which is characterized in that further include：
Top board and lower platen, the top board and the lower platen are each attached on the body of rod, the top board and described
Lower platen is lived apart the rotary shaft both sides of the body of rod, and at the body of rod both ends respectively from first opening and described second
When opening is stretched out, the top board and the lower platen cover first opening and described second and are open respectively.
4. resistance support cylinder as described in claim 1, which is characterized in that further include：
Upper bearing plate and lower bearing plate, the upper bearing plate and the lower bearing plate are separately positioned on the body of rod both ends and stretch respectively
Go out the part of first opening and second opening, and the plane where the upper bearing plate and the lower bearing plate is equal
Perpendicular to the direction of rotation of the body of rod.
5. resistance support cylinder as described in claim 1, which is characterized in that further include：
Lift lever, one end is hinged with the body of rod, and hinge joint is located at below the rotary shaft of the body of rod, the lift lever
The first end of the other end and the raising cord fix.
6. resistance support cylinder as described in claim 1, which is characterized in that further include：
Body of rod shaft and two shaft holes, described two shaft holes are set to another opposite both side surface of the cylinder,
Body of rod shaft both ends are respectively rotatably arranged in described two shaft holes, and the body of rod is fixed on the body of rod and turns
On axis.
7. resistance support cylinder as described in claim 1, which is characterized in that the body of rod both ends are respectively formed sharp portion.
8. resistance support cylinder as described in claim 1, which is characterized in that the top and bottom of the cylinder were connected with side
The equal arc transition in region.
9. the application method of resistance support cylinder, which is characterized in that including：
Drilling；
Any resistance support cylinder of claim 1~8 is hung in the hole being drilled；
Raising cord is promoted with lifting device, until top board and lower platen cover the first opening and the second opening respectively；
Resistance support cylinder after use, discharges raising cord, promotes recovery line and makes body of rod both ends retraction cylinder, and continues to lift up back
It receives rope to the resistance support cylinder and returns to ground.
10. using the dead-load detection method of resistance support cylinder, which is characterized in that including：
Drilling；
Any resistance support cylinder of claim 1~8 is hung in the hole being drilled；
Raising cord is promoted with lifting device, until top board and lower platen cover the first opening and the second opening respectively；
Raising cord is connect with reaction beam；
Jack is placed at the top of pile foundation to be measured, providing counter-force using reaction beam for jack carries out dead-load detection；
After the completion of dead-load detection, raising cord is discharged, recovery line is promoted and makes body of rod both ends retraction cylinder, and continue to lift up recovery line
Ground is returned to the resistance support cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563825.2A CN108547334A (en) | 2018-06-04 | 2018-06-04 | Resistance support cylinder and its application method and dead-load detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563825.2A CN108547334A (en) | 2018-06-04 | 2018-06-04 | Resistance support cylinder and its application method and dead-load detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108547334A true CN108547334A (en) | 2018-09-18 |
Family
ID=63511764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810563825.2A Pending CN108547334A (en) | 2018-06-04 | 2018-06-04 | Resistance support cylinder and its application method and dead-load detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108547334A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914494A (en) * | 2019-03-28 | 2019-06-21 | 中交路桥建设有限公司 | A kind of pile foundation soil layer utmost tip resistance test macro |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0669277A1 (en) * | 1994-02-28 | 1995-08-30 | Electricite De France | Sling for the transportation of loads by helicopter |
| CA2473507A1 (en) * | 2002-01-14 | 2003-07-17 | L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Po Pour L'etude Et L'exploitation Des Procedes Georges Claude | Polysulfide measurement methods using colorimetric techniques |
| CN103266635A (en) * | 2013-04-26 | 2013-08-28 | 合肥工业大学 | Ground-anchor-type pile foundation static load test device and test method |
| CN104032775A (en) * | 2014-06-27 | 2014-09-10 | 陆剑 | Resistance barrel and method for detecting static loads of engineering pile foundations |
| CN205676933U (en) * | 2016-06-03 | 2016-11-09 | 南宁市纪元重载检测科技有限责任公司 | Big load mill resistance support stand body device |
| CN106854878A (en) * | 2016-12-28 | 2017-06-16 | 陆剑 | Engineering pile foundation dead-load detection resistance support panel assembly and its application method |
-
2018
- 2018-06-04 CN CN201810563825.2A patent/CN108547334A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0669277A1 (en) * | 1994-02-28 | 1995-08-30 | Electricite De France | Sling for the transportation of loads by helicopter |
| CA2473507A1 (en) * | 2002-01-14 | 2003-07-17 | L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Po Pour L'etude Et L'exploitation Des Procedes Georges Claude | Polysulfide measurement methods using colorimetric techniques |
| CN103266635A (en) * | 2013-04-26 | 2013-08-28 | 合肥工业大学 | Ground-anchor-type pile foundation static load test device and test method |
| CN104032775A (en) * | 2014-06-27 | 2014-09-10 | 陆剑 | Resistance barrel and method for detecting static loads of engineering pile foundations |
| CN205676933U (en) * | 2016-06-03 | 2016-11-09 | 南宁市纪元重载检测科技有限责任公司 | Big load mill resistance support stand body device |
| CN106854878A (en) * | 2016-12-28 | 2017-06-16 | 陆剑 | Engineering pile foundation dead-load detection resistance support panel assembly and its application method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914494A (en) * | 2019-03-28 | 2019-06-21 | 中交路桥建设有限公司 | A kind of pile foundation soil layer utmost tip resistance test macro |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101974905B (en) | Pile-embedding method for hollow pile and auger drill for implementing same | |
| CN106088064A (en) | A kind of hard stratum precrushing three axle cement mixing pile drilling tool and construction method thereof | |
| CN105862870B (en) | Recyclable pattern foundation pit supporting structure Anchor cable-rod support stand body | |
| CN104989272B (en) | Upward inverse well drilling process | |
| CN105442605B (en) | Extract PHC and be reused in deep foundation pit supporting construction method | |
| CN204662442U (en) | Highway barrier hydraulic pressure inner bearing type gets an equipment | |
| CN106149723B (en) | Civil engineering piling machine | |
| CN104032775B (en) | Engineering pile foundation dead-load detection resistance cylinder and detection method | |
| CN205676933U (en) | Big load mill resistance support stand body device | |
| CN108547334A (en) | Resistance support cylinder and its application method and dead-load detection method | |
| CN205224034U (en) | Prestressing force pile driver | |
| CN207567832U (en) | Counterforce device | |
| CN105926594A (en) | Double-pipe construction method for static pressure pipe-sinking carrier cast-in-place pile | |
| CN110080775A (en) | Complex environment digs a well basic microvariations excavation method | |
| CN208379651U (en) | resistance support cylinder | |
| CN205676934U (en) | Big resistance support stand body device | |
| CN205116239U (en) | Engineering pile foundation static load detects resistance anchor hoe | |
| CN106854878B (en) | Engineering pile foundation dead-load detection resistance support panel assembly and its application method | |
| CN1544765A (en) | High grade rock and soil anchoring construction method and apparatus | |
| CN207567831U (en) | Resistance rack device | |
| CN109339044A (en) | A kind of concrete pipe pile construction equipment | |
| CN206376288U (en) | Engineering pile foundation dead-load detection resistance support panel assembly | |
| CN105350587B (en) | Engineering pile foundation static load detection resistance anchor hoe | |
| CN206158586U (en) | A bore and hang integrative rig for island reef foundation construction | |
| CN206487486U (en) | A kind of mining TBM safe temporary support 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180918 |
|
| RJ01 | Rejection of invention patent application after publication |