CN109613206A - One kind being used for the cured experimental provision of weak soil - Google Patents

One kind being used for the cured experimental provision of weak soil Download PDF

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Publication number
CN109613206A
CN109613206A CN201811349807.0A CN201811349807A CN109613206A CN 109613206 A CN109613206 A CN 109613206A CN 201811349807 A CN201811349807 A CN 201811349807A CN 109613206 A CN109613206 A CN 109613206A
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CN
China
Prior art keywords
chamber
drill bit
drilling rod
plate
bar
Prior art date
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Pending
Application number
CN201811349807.0A
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Chinese (zh)
Inventor
桂跃
吴承坤
赵礼萍
张秋敏
方超
刘声钧
赵振兴
付坚
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Publication date
Application filed by Kunming University of Science and Technology filed Critical Kunming University of Science and Technology
Priority to CN201811349807.0A priority Critical patent/CN109613206A/en
Publication of CN109613206A publication Critical patent/CN109613206A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials

Abstract

The invention discloses one kind to be used for the cured experimental provision of weak soil, including chamber, drain hole;Bolt, buckle, bottom plate, pedestal, pin, support, connecting rod, pin hole, bracket, cross bar, motor, gear I, gear II, handle, drill bit, blade, material feeding pump, conveying pipeline, transverse slat and drilling rod;Chamber is located at bottom in bracket, drilling rod lower part is connect with drill bit, drill bit protrudes into chamber, drilling rod and drill bit internal are provided with curing agent channel, conscientiously weak soil solidifies model engineering present invention energy small in size in practice, and it can carry out indoors, the present invention solves engineering, and weak soil solidification material requested is more in practice, equipment volume is big, it is easy the difficult point of pollution environment, it can provide the practical a large amount of reliable data of engineering through the invention, substantially reduce and give engineering design bring design defect due to having insufficient data.

Description

One kind being used for the cured experimental provision of weak soil
Technical field
The present invention relates to one kind to be used for the cured experimental provision of weak soil, belongs to geotechnical engineering field.
Background technique
China it is widely distributed various weak soils, be mainly characterized by natural moisture content is big, compressibility is high, shearing strength is low, Water penetration is small, has thixotropy and rheological characteristic.Weak soil has significant structural, once being disturbed, intensity is significantly reduced, tool There is apparent rheological characteristic, can produce biggish secondary consolidation settlement.Settlement of building on soft soil foundation is big, the settlement stability time It is long.The engineering properties of weak soil is more special, if untreated in construction or deal with improperly, often occurs due to building Object foundation settlement and cause such as a series of problems, such as construction cracking, house collapse, building inclination, seriously threaten people The security of the lives and property, shorten the service life of building, therefore soft soil foundation curing process is particularly important.
Weak soil solidifies since required curing dose is big in Practical Project, and the intensity for finally solidifying weak soil is not easy to estimate determination, The insufficient weak soil of cured strength is not easy to do over again again.In order to preferably develop be more suitable for the cured curing agent of weak soil and Construction technology, in order to predict in advance solidify after weak soil the information such as intensity, we urgently need a kind of solid for weak soil The experimental provision of change.
Summary of the invention
The purpose of the present invention is to provide one kind to be used for the cured experimental provision of weak soil, and to solve engineering, weak soil is solid in practice The problems such as curing agent and improper construction technology of change, the information such as intensity of weak soil, make engineering in practice after precognition solidifies in advance Data it is more abundant.
The technical scheme is that a kind of be used for the cured experimental provision of weak soil, including chamber, drain hole;Bolt, Buckle, bottom plate, pedestal, pin, support, connecting rod, pin hole, bracket, cross bar, motor, gear I, gear II, handle, drill bit, leaf Piece, material feeding pump, conveying pipeline, transverse slat and drilling rod;
The chamber is located at bottom in bracket, and the bottom of the top opening of chamber, chamber is equipped with bottom plate, the chamber Bottom by buckle connect with bottom plate, the side of chamber is the cylinder side being spliced by two pieces of semi-cylindrical structures Face, and the two sides of two pieces of semi-cylindrical structures are respectively equipped with protrusion, protrusion is equipped with bolt hole, insertion bolt in bolt hole, and two Block semi-cylindrical structure is bolted as cylindrical sides, and the cylindrical sides of the chamber are equipped with drain hole, institute It states bottom plate to be mounted on the base, the bottom of bracket is equipped with left and right two supports, and described two supports are equipped with sliding rail, the bottom Seat installation on the slide rail, and is slided on the slide rail, with the position of change trial case, connecting rod is equipped between described two supports, even It is rigid connection between bar and two supports, connecting rod strengthens the stability of bracket, and one end of the pin passes through right side support And connect with pedestal, tightening pin can be such that position base fixes, and the two sides of the bracket above the chamber are installed vertically respectively Sliding rail, the both ends of the cross bar are separately mounted in the vertical rails of bracket two sides, and cross bar moves in vertical rails, the cross Right angle setting transverse slat on bar, and cross bar is equipped with guide rail, transverse slat moves along the rail, and motor, institute are fixed on the transverse slat It states gear I to be mounted on the output shaft of motor, one end of the handle is connect with transverse slat, and the top of the drilling rod sequentially passes through Cross bar, transverse slat, and drilling rod passes through cross bar, gear II is installed in the top of transverse slat, the gear II and I Vertical Meshing of gear, it is described The bottom of drilling rod is equipped with drill bit, and drill bit is equipped with blade, and the drilling rod, drill bit internal are equipped with channel, one end of conveying pipeline and brill The inner passage of bar is connected to, and the channel of drilling rod bottom is connected to the inner passage of drill bit, and the other end of conveying pipeline and material feeding pump connect It is logical.
Plate upper surface is equipped with groove I, and groove I is connect with chamber bottom, and groove I ensure that test upper box part and bottom Plate contraposition is accurate, the outer outwardly convex of bottom plate, and it is more convenient that protrusion separates bottom plate with test upper box part, also makes bottom plate and pedestal Connection is more firm, and protrusion forms groove II with base plate interior, and groove II is used to accept the drain hole outflow for testing upper box part Liquid, and the liquid guide flow that test upper box part drain hole flows out is gone out bottom plate, lower surface of base plate is equipped with protrusion, and base upper surface is set There is groove III corresponding with the protrusion, protrusion forms joggle with groove III, and the protrusion below bottom plate to test with pedestal joggle Case connect more firm with pedestal.
The drilling rod is to be threadedly coupled with drill bit.
Pin hole is respectively equipped in the vertical rails of the bracket two sides, pin hole is inserted into pin, when cross bar moves downwardly to certain When one position needs fixed, with pin fixed transverse rod.
The drain hole that the cylindrical sides of the chamber are equipped with, for simulating the drainage condition in Practical Project.
The side of the chamber is the cylindrical sides being spliced by two pieces of semi-cylindrical structures, two pieces of semicylinders Rigid body connecting portion is provided with corresponding groove and tenon, and the groove and tenon of two pieces of semicylinder rigid body connecting portions make Test soil body demoulding is easier.
The handle is used to control the lifting and horizontal direction movement of motor and drilling rod, by plug handle and can tighten Handle makes it not generate displacement in the horizontal direction to fix transverse slat.
The blade being arranged on the drill bit can make curing agent and test soil shear failure uniform.The solidification of drilling rod and drill bit internal Agent channel, for making catalyst pump enter the soil body, and it is uniform with soil shear failure.
The conveying pipeline is equipped with valve, controls the conveying of slurry.
The blade is helical form.
The beneficial effects of the present invention are:
(1) weak soil solidifies model engineering present invention energy small in size in practice conscientiously, and can carry out indoors.
(2) present invention solves the problems, such as engineering the cured curing agent of weak soil and construction technology is inappropriate in practice, in advance The information such as intensity of weak soil, keep the data of engineering in practice more abundant after precognition solidifies.
(3) the practical a large amount of reliable data of engineering be can provide through the invention, substantially reduced due to having insufficient data to work Journey designs bring design defect.
(4) present invention solves engineering weak soil solidification material requested is more in practice, and equipment volume is big, is easy pollution environment Difficult point.
Detailed description of the invention
Fig. 1 is main view of the invention;
Fig. 2 is right view of the invention;
Fig. 3 is the top view of chamber of the present invention;
Fig. 4 is the top view of pedestal of the present invention;
Fig. 5 is the main view of drill bit of the present invention;
Each label in figure: 1- chamber;2- drain hole;3- bolt;4- buckle;5- bottom plate;6- pedestal;7- pin;8- support;9- Connecting rod;10- pin hole;11- bracket;12- cross bar;13- motor;14- gear I;15- gear II;16- handle;17- drill bit;18- Blade;19- material feeding pump;20- conveying pipeline, 21- transverse slat, 22- drilling rod.
Specific embodiment
With reference to the accompanying drawings and examples, the invention will be further described, but the contents of the present invention be not limited to it is described Range.
Embodiment 1: as shown in Fig. 1 ~ 5, one kind being used for the cured experimental provision of weak soil, including chamber 1, drain hole 2, spiral shell Bolt 3, buckle 4, bottom plate 5, pedestal 6, pin 7, support 8, connecting rod 9, pin hole 10, bracket 11, cross bar 12, motor 13, gear I 14, gear II 15, handle 16, drill bit 17, blade 18, material feeding pump 19, conveying pipeline 20, transverse slat 21 and drilling rod 22;
The chamber 1 is located at bottom in bracket 11, and the top opening of chamber 1, the bottom of chamber 1 is equipped with bottom plate 5, described The bottom of chamber 1 is connect by buckle 4 with bottom plate 5, and the side of chamber 1 is spliced by two pieces of semi-cylindrical structures Cylindrical sides, and the two sides of two pieces of semi-cylindrical structures are respectively equipped with protrusion, protrusion is equipped with bolt hole, insertion in bolt hole Bolt 3, two pieces of semi-cylindrical structures are connected as cylindrical sides by bolt 3, and the cylindrical sides of the chamber 1 are equipped with Drain hole 2, the bottom plate 5 are mounted on pedestal 6, and the bottom of bracket 11 is equipped with left and right two supports 8, on described two supports 8 Equipped with sliding rail, the installation of pedestal 6 on the slide rail, and is slided on the slide rail, and connecting rod 9 is equipped between described two supports 8, described One end of pin 7 passes through right side support 8 and connect with pedestal 6, and the two sides of the bracket 11 of 1 top of chamber are installed perpendicular respectively To sliding rail, the both ends of the cross bar 12 are separately mounted in the vertical rails of 11 two sides of bracket, and cross bar 12 is transported in vertical rails It is dynamic, right angle setting transverse slat 21 on the cross bar 12, and cross bar 12 is equipped with guide rail, transverse slat 21 moves along the rail, the transverse slat 21 On be fixed with motor 13, the gear I 14 is mounted on the output shaft of motor 13, one end of the handle 16 and transverse slat 21 connections, the top of the drilling rod 22 sequentially passes through cross bar 12, transverse slat 21, and drilling rod 22 passes through the top of cross bar 12, transverse slat 21 Gear II 15, the gear II 15 and I 14 Vertical Meshing of gear are installed, the bottom of the drilling rod 22 is equipped with drill bit 17, drill bit 17 It is equipped with blade 18, blade 18 is helical form, is equipped with channel, one end of conveying pipeline 20 and brill inside the drilling rod 22, drill bit 17 The inner passage of bar 22 is connected to, and the channel of 22 bottom of drilling rod is connected to the inner passage of drill bit 17, the other end of conveying pipeline 20 and 19 connection of material feeding pump.
5 upper surface of bottom plate is equipped with groove I, and groove I is connect with 1 bottom of chamber, and the outer outwardly convex of bottom plate 5 is convex It rises and forms groove II inside bottom plate 5, groove II is used to accept the liquid that the drain hole 2 on 1 top of chamber flows out, under bottom plate 5 Surface is equipped with protrusion, and 6 upper surface of pedestal is equipped with groove III corresponding with the protrusion, and protrusion forms joggle with groove III.
The drilling rod 22 is to be threadedly coupled with drill bit 17.
Carrying out weak soil using apparatus of the present invention, cured steps are as follows:
It by requirement of engineering, is uniformly placed in chamber 1 from enough soil samples are cut in undisturbed soil sample, chamber 1 is placed in bottom On seat 6, adjust pedestal 6 and 22 position of drilling rod, determine hole location (1,2,3,4,5), be numbered with pile No. (1,2,3,4,5), hole number (1,2, 3,4,5), serial number (1,2,3,4,5);
Mixing pile construction: " 1 " number stake position setting-out determines specific stake position;Drill bit 17 is in place, checks 22 length of drilling rod, drill bit 17 Drill bit 17 is moved on to designated position to good stake position by diameter, and drill bit 17 reaches centering, leveling, correction verticality after calibration hole location, protects Drill bit 17 and drilling rod 22 and ground are demonstrate,proved into 90 degree, it is ensured that pile verticality error is within 1.0%;It examines, level drill bit 17 and drilling rod 22;Curing agent processed is stirred, according to technical parameter mixing curing agent, curing agent should be stirred, to pour into slurries before mud jacking Material feeding pump 19;Direct circulation is crept into projected depth, and motor 13 is started, and so that drill bit 17 is cut soil stirring along leading truck and is sunk;It opens Material feeding pump 19;Reacting cycle is promoted to the design above 0.05m in stake face in whitewashing, after drill bit 17 sinks to projected depth, opens note Material pump 19, outlet pressure keeps 0.4~0.6Mpa, sprays into curing agent continuously, and 17 whirl spraying speed control of drill bit is 0.5m/ Min or so preferably stops being promoted, the several seconds is stirred, to guarantee that pile crown is uniformly closely knit when promoting arrival designed elevation;It repeats to stir Lower brill, curing agent and soil to be sparged into soil are sufficiently stirred, and repeat stirring and sink, until design requirement depth, is then stirred It is promoted, and 0.05 meter of range carries out multiple spray above and below lower part along pile body.Construction finishes, and into material feeding pump 19, injection is appropriate clear Water opens material feeding pump 19, cleans in pipeline and remain curing agent, while removing drill bit 17 and adhering to soil;Reacting cycle mentions with being drilled into stake top Ground is proposed after table;Pile terminates;
" 2 " number, " 3 " number, " 4 " number, " 5 " number mixing pile construction such as " 1 " number mixing pile construction.
Pile body mud jacking requires to accomplish without any letup, and must not interrupt, and every pile, which preferably fills slurry once and sprays, stirs completion.
Work progress stops to starch for some reason, preferably sinks down into blender and stops the lower 5cm of slurry point, restores to be stirred for being promoted for slurry.When mixing Using " three sprays three are stirred " construction technology.
Three sprays three are stirred: it is lower to bore whitewashing, whitewashing is above proposed, is repeated once, three sprays are completed.
When the present apparatus works, start motor 13, motor 13 engages band by transmission shaft driven gear I 14, gear I 14 Moving gear II 15, so that drilling rod 22 and drill bit 17 be driven to rotate.Curing agent from conveying pipeline 20, drilling rod 22 and is bored by material feeding pump 19 First 17 are pumped into chamber 1.Horizontal movement of the transverse slat 21 on cross bar 12 is controlled by control handle 16, to drive electricity Motivation 13, the movement of drilling rod 22 and drill bit 17 in the horizontal direction, by control handle 16 make transverse slat 21 be fixed on cross bar 12 in Certain level position.Transverse slat 21 and cross bar 12 is set to generate vertical motion on bracket 11 by controlling handle 16, to drive brill Bar 22 and drill bit 17 generate vertical motion.Through insertion pin 7 in pin hole 10, cross bar 12 is made to be fixed on a certain position, thus So that transverse slat 21 and motor 13 is fixed on a certain position, or limitation cross bar 12, transverse slat 21 and motor 13 downwards (or to On) height.It drives chamber 1 to generate horizontal movement and making pedestal 6 generate horizontal movement on the track of support 8, leads to Cross the horizontal direction position that insertion pin 7 comes firm banking 6 and chamber 1 in support 8.
Embodiment 2: the present embodiment structure with embodiment 1, the difference is that, the conveying pipeline 20 be equipped with valve, institute State and be respectively equipped with pin hole 10 in the vertical rails of 11 two sides of bracket, pin hole 10 be inserted into pin 7, when cross bar 12 move downwardly to it is a certain When position needs fixed, it is inserted into pin hole 10 using pin 7, cross bar 12 is fixed.
Above in conjunction with attached drawing, the embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned implementations Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention Various changes can be made.

Claims (6)

1. one kind be used for the cured experimental provision of weak soil, which is characterized in that including chamber (1), drain hole (2), bolt (3), Buckle (4), bottom plate (5), pedestal (6), pin (7), support (8), connecting rod (9), pin hole (10), bracket (11), cross bar (12), electricity Motivation (13), gear I (14), gear II (15), handle (16), drill bit (17), blade (18), material feeding pump (19), conveying pipeline (20), transverse slat (21) and drilling rod (22);
The chamber (1) is located at bracket (11) interior bottom, and the bottom of the top opening of chamber (1), chamber (1) is equipped with bottom Plate (5), the bottom of the chamber (1) are connect by buckling (4) with bottom plate (5), and the side of chamber (1) is by two pieces of semicircles The cylindrical sides that column structure is spliced, and the two sides of two pieces of semi-cylindrical structures are respectively equipped with protrusion, protrusion is equipped with Bolt hole, bolt hole is interior to be inserted into bolt (3), and two pieces of semi-cylindrical structures are connected as cylindrical sides, the examination by bolt (3) The cylindrical sides of tryoff (1) are equipped with drain hole (2), and the bottom plate (5) is mounted on pedestal (6), the bottom of bracket (11) Equipped with left and right two supports (8), described two supports (8) are equipped with sliding rail, and the pedestal (6) is installed on the slide rail, and in cunning Slided on rail, be equipped with connecting rod (9) between described two supports (8), one end of the pin (7) pass through right side support (8) and with Pedestal (6) connects, and vertical rails are installed in the two sides of the bracket (11) above the chamber (1) respectively, the cross bar (12) Both ends are separately mounted in the vertical rails of bracket (11) two sides, and cross bar (12) moves in vertical rails, the cross bar (12) Upper right angle setting transverse slat (21), and cross bar (12) is equipped with guide rail, transverse slat (21) moves along the rail, fixed on the transverse slat (21) Equipped with motor (13), the gear I (14) is mounted on the output shaft of motor (13), one end of the handle (16) and cross Plate (21) connection, the top of the drilling rod (22) sequentially passes through cross bar (12), transverse slat (21), and drilling rod (22) passes through cross bar (12), gear II (15) are installed in the top of transverse slat (21), the gear II (15) and gear I (14) Vertical Meshing, the drilling rod (22) bottom is equipped with drill bit (17), and drill bit (17) is equipped with blade (18), is equipped with inside the drilling rod (22), drill bit (17) logical The one end in road, conveying pipeline (20) is connected to the inner passage of drilling rod (22), and the channel of drilling rod (22) bottom is interior with drill bit (17) The other end of the connection of portion channel, conveying pipeline (20) is connected to material feeding pump (19).
2. according to claim 1 be used for the cured experimental provision of weak soil, it is characterised in that: set on bottom plate (5) upper surface Fluted I, groove I is connect with chamber (1) bottom, the outer outwardly convex of bottom plate (5), and protrusion is formed with inside bottom plate (5) Groove II, groove II are used to accept the liquid of drain hole (2) outflow on chamber (1) top, and bottom plate (5) lower surface is equipped with convex It rises, pedestal (6) upper surface is equipped with groove III corresponding with the protrusion, and protrusion forms joggle with groove III.
3. according to claim 1 be used for the cured experimental provision of weak soil, it is characterised in that: the drilling rod (22) and drill bit It (17) is threaded connection.
4. according to claim 1 be used for the cured experimental provision of weak soil, it is characterised in that: bracket (11) two sides It is respectively equipped in vertical rails pin hole (10), pin hole (10) is inserted into pin (7).
5. according to claim 1 be used for the cured experimental provision of weak soil, it is characterised in that: set on the conveying pipeline (20) There is valve.
6. according to claim 1 be used for the cured experimental provision of weak soil, it is characterised in that: the blade (18) is spiral Shape.
CN201811349807.0A 2018-11-14 2018-11-14 One kind being used for the cured experimental provision of weak soil Pending CN109613206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811349807.0A CN109613206A (en) 2018-11-14 2018-11-14 One kind being used for the cured experimental provision of weak soil

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Application Number Priority Date Filing Date Title
CN201811349807.0A CN109613206A (en) 2018-11-14 2018-11-14 One kind being used for the cured experimental provision of weak soil

Publications (1)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104908162A (en) * 2015-04-28 2015-09-16 广东工业大学 Indoor soft soil powder spraying solidifying device
CN105064426A (en) * 2015-09-08 2015-11-18 深圳市路桥建设集团有限公司 Indoor testing device for minitype grouting gravel steel pipe piles and testing method of indoor testing device
CN105233733A (en) * 2015-11-12 2016-01-13 广东工业大学 Indoor stabilized soil stirring device
CN105527137A (en) * 2015-10-28 2016-04-27 广东工业大学 Soft soil stabilization device
CN205301298U (en) * 2016-01-15 2016-06-08 山东大学 Slip casting analogue test device
CN106592651A (en) * 2016-12-07 2017-04-26 河北建筑工程学院 Variable-diameter cement-soil mixing pile model test device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104908162A (en) * 2015-04-28 2015-09-16 广东工业大学 Indoor soft soil powder spraying solidifying device
CN105064426A (en) * 2015-09-08 2015-11-18 深圳市路桥建设集团有限公司 Indoor testing device for minitype grouting gravel steel pipe piles and testing method of indoor testing device
CN105527137A (en) * 2015-10-28 2016-04-27 广东工业大学 Soft soil stabilization device
CN105233733A (en) * 2015-11-12 2016-01-13 广东工业大学 Indoor stabilized soil stirring device
CN205301298U (en) * 2016-01-15 2016-06-08 山东大学 Slip casting analogue test device
CN106592651A (en) * 2016-12-07 2017-04-26 河北建筑工程学院 Variable-diameter cement-soil mixing pile model test device

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