CN108827699A - A kind of sampling method obtaining large scale cylinder undisturbed soil - Google Patents

A kind of sampling method obtaining large scale cylinder undisturbed soil Download PDF

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Publication number
CN108827699A
CN108827699A CN201811017736.4A CN201811017736A CN108827699A CN 108827699 A CN108827699 A CN 108827699A CN 201811017736 A CN201811017736 A CN 201811017736A CN 108827699 A CN108827699 A CN 108827699A
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probe tube
sampling
fixedly connected
soil
sample
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CN201811017736.4A
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CN108827699B (en
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姚志华
苏立海
李婉
史保华
谭万鹏
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Air Force Engineering University of PLA
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Air Force Engineering University of PLA
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention discloses a kind of sampling methods for obtaining large scale cylinder undisturbed soil, for undisturbed sample, when taking vertical sample, an earthen platform is shoveled out after excavating certain depth downwards, reserves a vertical plane, the probe tube of sampling equipment is close to steel loop, the soil body at sampling pipe port is gradually eliminated downwards, probe tube upper end is covered with a plank, gently beats plank using rubber hammer, probe tube front end cutting edge eliminates extra loess;Horizontal soil sample sampling is levelling under earth's surface, reserved earthen platform, excavate soil box in earthen platform two sides, it when probe tube advances, places support rod and also advances therewith, when placement support rod elongation is larger, it will be supported below semi-circular front steel loop with plank, and guaranteeing probe tube level, probe tube advances, and steel loop supported underneath is also advanced therewith.The beneficial effects of the invention are as follows that the soil body will not be made to damage when sampling, sampling effect is good.

Description

A kind of sampling method obtaining large scale cylinder undisturbed soil
Technical field
The invention belongs to sampling equipment technical fields, are related to a kind of sampling method for obtaining large scale cylinder undisturbed soil.
Background technique
Undisturbed soil is usually called and does undisturbed soil sample, is to maintain the soil sample of natural moisture content and natural structure;For measuring soil The indexs such as bulk density, natural void ratio, the compressed coefficient and shearing strength;Take soil method generally use plunging, be driven into method with Convolution is driven into method, the main task of engineering geological drilling first is that taking rock core or undisturbed sample in rock-soil layer;Taking examination The natural structure that sample should be kept during sample is just known as " disturbance sample " if the natural structure of sample is destroyed;Disturbance Sample is small in engineering geologic investigation to allow, unless it is used to make true explanation separately have, otherwise this disturbance sample calcellation;Natural structure Undisturbed sample has core sample and soil sample, and the natural structure of core sample is generally survivable, and soil sample be easy to by Disturbance.
It, sometimes also can be in need sometimes necessary not only for vertically being sampled when carrying out undisturbed soil sampling Lateral sampling is carried out, but general sampling equipment is mostly used for vertically sampling, and often samples when carrying out laterally sampling Effect is unsatisfactory, will cause the appearance of disturbance sample, influences sampling quality.
Summary of the invention
The purpose of the present invention is to provide a kind of sampling methods for obtaining large scale cylinder undisturbed soil, and of the invention is beneficial Effect will not be such that the soil body damages when being sampling, and sampling effect is good.
The technical scheme adopted by the invention is that, when taking vertical sample, excavating certain depth downwards for undisturbed sample After shovel out an earthen platform, reserve a vertical plane, the probe tube of sampling equipment be close to steel loop, gradually eliminate downwards at sampling pipe port The soil body covers probe tube upper end with a plank, gently beats plank using rubber hammer, probe tube front end cutting edge eliminates extra Huang Soil effectively prevent side wall during test to leak so that undisturbed soil fits together perfectly with sampling tube wall;Horizontal soil sample sampling is on ground It is levelling under table, earthen platform is reserved, soil box is excavated in earthen platform two sides, and extra loess is eliminated when in order to probe tube forward, and probe tube advances When, it places support rod and also advances therewith, when placement support rod elongation is larger, by plank branch below semi-circular front steel loop Support, and guarantee probe tube level, probe tube advances, and steel loop supported underneath is also advanced therewith, takes the measure that can be effectively ensured It is not broken in horizontal soil sample sampling process.
Further, sampling equipment includes pedestal, and pedestal support rod, the top of pedestal support rod are fixedly connected at the top of pedestal Portion is fixedly connected with placement rack, is fixedly connected at the top of placement rack there are two support rod is placed, is led between two placement support rods It crosses steel loop to be fixedly connected, the back side of pedestal is fixedly connected with motor, and the output end of motor is fixedly connected with the first belt pulley, places The back side of support rod is fixedly connected to attachment base, and the back side grafting of attachment base is connected to threaded block, and the surface of threaded block is fixed to be connected It is connected to the second belt pulley, is sequentially connected between the first belt pulley and the second belt pulley by driving belt, the side of threaded block is inserted It is connected to telescopic rod, the end of thread of telescopic rod runs through threaded block and extends to the outside of threaded block, the separate threaded block of telescopic rod One end is fixedly connected with crushing block, and probe tube is overlapped at the top of steel loop, and probe tube is fixedly connected with far from one end of telescopic rod Cutting ring.
Detailed description of the invention
Fig. 1 is structure of the invention schematic top plan view;
Fig. 2 is understructure figure of the present invention;
Fig. 3 is that the present invention places supporting bar structure top view;
Fig. 4 is threaded block structure sectional view of the present invention;
Fig. 5 is vertical sample sampling on-the-spot schematic;
Fig. 6 is horizon sample sampling on-the-spot schematic.
Specific embodiment
The present invention is described in detail With reference to embodiment.
Take indigenous equipment as shown in Figures 1 to 4 used in the present invention, including pedestal 1, the front of pedestal 1 is fixedly connected with stabilization Block 16, the front for stablizing block 16 are fixedly connected with friction block 17, and probe tube 14 and the material of cutting ring 15 are glass material, bottom The top of seat 1 is fixedly connected with pedestal support rod 2, and the side of pedestal support rod 2 is fixedly connected with that there are two shaft seat 18, shaft seats 18 sides far from pedestal support rod 2 are connected with rotating shaft 19, and rotating shaft 19 is fixed far from the side of shaft seat 18 It is connected with castor 20, by the pedestal 1 and castor 20 of setting, user can very easily move the device into properly Position, 27 can be directly turned on the switch after fixed equipment and is carried out using allowing equipment that can carry out lateral sampling, pedestal support The top of bar 2 is fixedly connected with placement rack 3, and the top of placement rack 3 is fixedly connected there are two support rod 4 is placed, and places support rod 4 two sides are fixedly connected with connector 23, and the top of connector 23 is overlapped with sampling fixing sleeve 24, samples the top of fixing sleeve 24 It is plugged with fixing bolt 25, the front of attachment base 8 offers the slot that is screwed compatible with the screw thread of fixing bolt 25, passes through The setting of the sampling fixing sleeve 24 and connector 23 of setting, limits the position of probe tube 14, prevents probe tube 14 from removing equipment, It samples fixing sleeve 24 and probe tube 14 overlaps, the top of pedestal 1 is fixedly connected with battery 26, the fixed peace in the top of placement rack 3 The stability of equipment is improved by the gravity of the battery 26 of setting equipped with switch 27, equipment can be carried out lateral or perpendicular To when, equipment can be pushed by battery 26, fixed equipment prevent equipment mobile, cause equipment unstable, influence to adopt The problem of sample effect, is fixedly connected between two placement support rods 4 by steel loop 5, and the back side of pedestal 1 is fixedly connected with motor 6, The output end of motor 6 is fixedly connected with the first belt pulley 7, and the back side for placing support rod 4 is fixedly connected to attachment base 8, connects The back side grafting of seat 8 is connected to threaded block 9, and the front of threaded block 9 offers thread groove 21, and the surface activity of 21 inner wall of thread groove connects It is connected to threaded block 22 compatible with the screw thread of thread groove 21, the surface that threaded block 22 is located at threaded block 9 with telescopic rod 12 is fixed Connection carries out impact sampling to probe tube 14 by the rotation of the threaded block 9 of setting so that telescopic rod 12 pushes crushing block 13, It is user-friendly for using the probe tube 14 for also allowing equipment that can be applicable in a variety of different lengths is carried out using improving equipment Applicability, the surface of threaded block 9 are fixedly connected with the second belt pulley 10, pass through between the first belt pulley 7 and the second belt pulley 10 Driving belt 11 is sequentially connected, and the side of threaded block 9 is plugged with telescopic rod 12, and the end of thread of telescopic rod 12 runs through threaded block 9 simultaneously The outside of threaded block 9 is extended to, one end of the separate threaded block 9 of telescopic rod 12 is fixedly connected with crushing block 13, the top of steel loop 5 It is overlapped with probe tube 14, probe tube 14 is fixedly connected with cutting ring 15 far from one end of telescopic rod 12, and it is extra to eliminate by cutting ring 15 Loess is sampled by the way of being similar to cutting ring sampling, improves the effect that equipment laterally samples.
Working principle:In use, first lower dig suitable height, allows on ground and form the earthen platform of a place apparatus, later Equipment is vertically placed on earthen platform, allows cutting ring 15, friction block 17 and earthen platform to overlap, turns on the switch 27 later, allows the first belt 7 the second belt pulleys 10 of drive of wheel are rotated so that threaded block 22 moves up and down in thread groove 21, later by with stretch The crushing block 13 that contracting bar 12 is connected presses down on probe tube 14, allows probe tube 14 to be slided between placement support rod 4, makes It obtains cutting ring 15 and gradually eliminates the soil body at glass infratubal port, after telescopic rod 12 and crushing block 13 are pushed to suitable position, Sampling can be completed, when carrying out laterally sampling, it is only necessary to which after equipment is directly pushed to suitable position, fixation is set It is standby to turn on the switch 27.The equipment of the acquirement large scale cylinder undisturbed soil passes through the pedestal 1 and castor of setting later 20, it allows user that can very easily move the device into suitable position, 27 can be directly turned on the switch after fixed equipment Carry out using, allow equipment that can carry out lateral sampling, extra loess eliminated by cutting ring 15, using be similar to cutting ring sampling Mode is sampled, and improves the effect that equipment laterally samples.Also, the equipment for obtaining large scale cylinder undisturbed soil, by setting The rotation of the threaded block 9 set carries out impact sampling to probe tube 14 so that telescopic rod 12 pushes crushing block 13, convenient for users into It exercises and uses, the probe tube 14 for also allowing equipment that can be applicable in a variety of different lengths is carried out using improving the applicability of equipment, and pass through The setting of the sampling fixing sleeve 24 and connector 23 of setting, limits the position of probe tube 14, prevents probe tube 14 from removing equipment.
Soil basketing method of the present invention:For undisturbed sample, when taking vertical sample, about 3m depth is excavated downwards, in the position 2m Place shovels out an earthen platform, reserves a vertical plane.Probe tube 14 is close to steel loop 5 (Fig. 5), gradually eliminates downwards native at 14 port of probe tube Body covers 14 upper end of probe tube with a plank, gently beats plank using rubber hammer, 14 front end cutting edge of probe tube eliminates extra Huang Soil, principle sample similar to cutting ring, make undisturbed soil fit together perfectly with 14 tube wall of probe tube in this way, effectively prevent trying Side wall leaks during testing.
In the present invention, such as horizontal soil sample sample point is located under earth's surface at 2.5m (Fig. 6).It is levelling first at 2.5m, in advance The earthen platform 40cm is stayed, earthen platform two sides excavate soil box, eliminate extra loess when in order to probe tube 14 forward.When probe tube 14 advances, Support rod 4 is placed also to advance therewith.When placement 4 elongation of support rod is larger, since soil sample is heavier, horizontal soil sample may cause 5 lower section of semi-circular front steel loop is supported with plank, and guarantees that probe tube 14 is horizontal by fracture.Probe tube 14 advances, 5 lower section of steel loop Support is also advanced therewith, takes the measure that can be effectively ensured not broken in horizontal soil sample sampling process.
The above is only not to make limit in any form to the present invention to better embodiment of the invention System, any simple modification that embodiment of above is made according to the technical essence of the invention, equivalent variations and modification, Belong in the range of technical solution of the present invention.

Claims (2)

1. a kind of sampling method for obtaining large scale cylinder undisturbed soil, it is characterised in that:For undisturbed sample, when taking vertical examination When sample, an earthen platform is shoveled out after excavating certain depth downwards, reserves a vertical plane, the probe tube of sampling equipment is close to steel loop, to Under gradually eliminate sampling pipe port at the soil body, with a plank cover probe tube upper end, gently beat plank using rubber hammer, sample Pipe front end cutting edge eliminates extra loess, so that undisturbed soil fits together perfectly with sampling tube wall, effectively prevent side wall during test Leakage;Horizontal soil sample sampling is levelling under earth's surface, reserves earthen platform, and earthen platform two sides are excavated soil box, cut when in order to probe tube forward It except extra loess, when probe tube advances, places support rod and also advances therewith, when placement support rod elongation is larger, by front It is supported below semicircle steel loop with plank, and guarantees probe tube level, probe tube advances, and steel loop supported underneath is also advanced therewith, adopted Take the measure that can be effectively ensured not broken in horizontal soil sample sampling process.
2. according to a kind of sampling method for obtaining large scale cylinder undisturbed soil described in claim 1, it is characterised in that:It is described to take Sample equipment includes pedestal, and pedestal support rod is fixedly connected at the top of pedestal, placement is fixedly connected at the top of pedestal support rod , it is fixedly connected at the top of placement rack there are two support rod is placed, is fixedly connected between two placement support rods by steel loop, bottom The back side of seat is fixedly connected with motor, and the output end of motor is fixedly connected with the first belt pulley, and the back side for placing support rod is solid Surely it is connected with attachment base, the back side grafting of attachment base is connected to threaded block, and the surface of threaded block is fixedly connected with the second belt pulley, the It is sequentially connected between one belt pulley and the second belt pulley by driving belt, the side of threaded block is plugged with telescopic rod, telescopic rod The end of thread through threaded block and extend to the outside of threaded block, one end of the separate threaded block of telescopic rod is fixedly connected with extruding Block is overlapped with probe tube at the top of steel loop, and probe tube is fixedly connected with cutting ring far from one end of telescopic rod.
CN201811017736.4A 2018-09-03 2018-09-03 Sampling method for obtaining large-size cylindrical undisturbed soil Active CN108827699B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900535A (en) * 2019-04-12 2019-06-18 北京地矿工程建设有限责任公司 It is a kind of for dispensing device native in water ratio test
CN112033734A (en) * 2020-09-16 2020-12-04 贵州工程应用技术学院 High-precision in-service concrete strength rapid detection equipment
CN114002008A (en) * 2021-11-24 2022-02-01 滨州学院 Sampling device for soluble organic carbon in coastal wetland soil and using method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1144020A1 (en) * 1983-11-18 1985-03-07 Институт почвоведения и фотосинтеза АН СССР Device for sampling soils and grounds
JP2002266339A (en) * 2001-03-06 2002-09-18 Koken Boring Mach Co Ltd Soil sampler
JP2006105730A (en) * 2004-10-04 2006-04-20 National Agriculture & Bio-Oriented Research Organization Device for sampling large undisturbed soil core
CN105587317A (en) * 2014-11-16 2016-05-18 西安扩力机电科技有限公司 Cylindrical sampling device for loess samples
CN105954059A (en) * 2016-06-01 2016-09-21 青岛农业大学 Convenient undisturbed soil taking device
CN106323680A (en) * 2016-08-19 2017-01-11 张福谦 Easy-sampling geological sample sampling mechanism
JP2017031573A (en) * 2015-07-29 2017-02-09 一般社団法人地盤工房 Soil sampling device
CN208705085U (en) * 2018-09-03 2019-04-05 中国人民解放军空军工程大学 A kind of equipment obtaining large scale cylinder undisturbed soil

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1144020A1 (en) * 1983-11-18 1985-03-07 Институт почвоведения и фотосинтеза АН СССР Device for sampling soils and grounds
JP2002266339A (en) * 2001-03-06 2002-09-18 Koken Boring Mach Co Ltd Soil sampler
JP2006105730A (en) * 2004-10-04 2006-04-20 National Agriculture & Bio-Oriented Research Organization Device for sampling large undisturbed soil core
CN105587317A (en) * 2014-11-16 2016-05-18 西安扩力机电科技有限公司 Cylindrical sampling device for loess samples
JP2017031573A (en) * 2015-07-29 2017-02-09 一般社団法人地盤工房 Soil sampling device
CN105954059A (en) * 2016-06-01 2016-09-21 青岛农业大学 Convenient undisturbed soil taking device
CN106323680A (en) * 2016-08-19 2017-01-11 张福谦 Easy-sampling geological sample sampling mechanism
CN208705085U (en) * 2018-09-03 2019-04-05 中国人民解放军空军工程大学 A kind of equipment obtaining large scale cylinder undisturbed soil

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900535A (en) * 2019-04-12 2019-06-18 北京地矿工程建设有限责任公司 It is a kind of for dispensing device native in water ratio test
CN109900535B (en) * 2019-04-12 2023-11-21 北京地矿工程建设有限责任公司 Measuring device for soil in water content test
CN112033734A (en) * 2020-09-16 2020-12-04 贵州工程应用技术学院 High-precision in-service concrete strength rapid detection equipment
CN112033734B (en) * 2020-09-16 2023-08-18 贵州工程应用技术学院 High-precision in-service concrete strength rapid detection equipment
CN114002008A (en) * 2021-11-24 2022-02-01 滨州学院 Sampling device for soluble organic carbon in coastal wetland soil and using method
CN114002008B (en) * 2021-11-24 2023-08-15 滨州学院 Sampling device for soluble organic carbon in coastal wetland soil and using method thereof

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