CN110006714A - A kind of sample making apparatus for the three axis samples that simulation overall process corrodes - Google Patents

Abstract

The present invention relates to the indoor geotechnical testament fields of civil engineering subject, refer in particular to a kind of sample making apparatus of three axis samples that simulation overall process corrodes, including pressure exerting arrangement, hold model machine structure, supporting mechanism, corrode mechanism, cutting mechanism, infuse earthenware, three bearing film cylinders, the model machine structure that holds is installed on supporting mechanism, soil cement injection is held in model machine structure by note earthenware, model machine structure will be held and be put into and corroded in mechanism, the pressure exerting arrangement, which is able to cooperate, to be held model machine structure and is pressed to obtain parent sample to soil cement, parent sample is put into after three bearing film cylinders and is cut into three axis sample of standard by cutting mechanism, holding model machine structure includes holding sample cylinder, it holds and is evenly equipped with circular hole on sample cylinder barrel, it holds sample bore hole inner wall and is provided with semi-permeable membrane.After adopting the above scheme, to solve the problems such as existing three axis sample of high-moisture percentage soil cement production is difficult, true stress and the situation simulation degree that weathers of soil cement at the scene be not high.

Description

A kind of sample making apparatus for the three axis samples that simulation overall process corrodes

Technical field

The present invention relates to the indoor geotechnical testament fields of civil engineering subject, refer in particular to a kind of three axis that simulation overall process corrodes The sample making apparatus of sample.

Background technique

The southeastern coastal areas are China well-developed regions, more next with the continuous expansion of coast area area of base More buildings needs to be built on soft soil foundation.Weak soil is because of the features such as its water content is high, bearing capacity is poor, so that soft clay area It is difficult to build building, soft soil foundation is treated as the necessary problems faced of building trade, in reinforcing soft ground In method, soil cement because its low cost, it is practical, environmental pollution is small and speed of application is fast the features such as be widely applied.

Meanwhile the underground water of the southeastern coastal areas has the characteristics that high saliferous and alkalescent, and soil cement at the construction field (site) The depth of mixing pile causes the soil cement of construction site during stirring and maintenance all in ring commonly greater than level of ground water In the state that border is corroded.Conventional indoor sample production is not consider environmental attack, and indoor result and site operation is caused to be imitated The gap of fruit is more apparent, brings great puzzlement for the design and construction of building.In addition, using weak soil as the soil cement of primary raw material Because water content is larger, Chang Chengliu plastic state, three traditional valve methods can not be made into three axis samples.Our urgent needs thus One kind can complete the sample making apparatus of three axis samples of the production of three axis sample of high-moisture percentage soil cement and simulated environment erosion.

At present Dalian University of Technology applied a kind of three axis sample preparation device of low liquid limit slity soil and method for making sample (application number: CN201210559105.1 the production of three axis samples) can be carried out to low-liquid-limit slity soil, can improve specimen size precision, but not The problem of can solve the production of high-moisture percentage sample and simulated environment erosion.It is needed in face of more and more soft soil foundation reinforcing methods With verified status, be difficult to complete asking for three axis sample of high-moisture percentage soil cement production in face of traditional three valve methods The problems such as inscribing, the erosion condition that soil cement is subject at the scene cannot be simulated in face of traditional sample preparation device, it would be desirable to a kind of to pass through Sample making course that hierarchical loading and simulated environment corrode simulates soil cement in the truth of building-site, makes test result more Close to field condition.

Therefore, the present inventor makes further research this, develops a kind of system of three axis samples that simulation overall process corrodes Thus sample equipment, this case generate.

Summary of the invention

It is existing to solve the purpose of the present invention is to provide a kind of sample making apparatus of three axis samples that simulation overall process corrodes The production of three axis sample of high-moisture percentage soil cement is difficult, soil cement true stress at the scene and weathers situation simulation degree not The problems such as high.

To achieve the goals above, technical scheme is as follows:

A kind of sample making apparatus for the three axis samples that simulation overall process corrodes, including pressure exerting arrangement, hold model machine structure, support machine Structure corrodes mechanism, cutting mechanism, note earthenware, three bearing film cylinders, and the model machine structure that holds is installed on supporting mechanism, passes through note soil Device holds soil cement injection in model machine structure, will hold model machine structure and is put into and corrode in mechanism, the pressure exerting arrangement, which is able to cooperate, holds model machine structure Soil cement is pressed to obtain parent sample, parent sample is put into after three bearing film cylinders and is cut into standard three by cutting mechanism Axis sample, holding model machine structure includes holding sample cylinder, holds and is evenly equipped with circular hole on sample cylinder barrel, holds sample cylinder inner wall and be provided with semi-permeable membrane.

Further, the pressure exerting arrangement includes bearing plate, force transmission shaft, the fixed lid of pressure, pressure disk, compression disk, is held Weight plate and the setting of pressure disk are at force transmission shaft both ends, and the fixed lid that presses is arranged on force transmission shaft, and compression disk is for accepting pressure Disk；Wherein, bearing plate is the disk of diameter 150mm, thickness 15mm, and force transmission shaft is the cylindrical body of diameter 20mm, high 200mm； The fixed lid of pressure is the dome of interior diameter 49.5mm, overall diameter 60mm, and being equipped with a diameter at dome end face center is 22mm's Power transmission axis hole, power transmission axis hole two sides are set there are two symmetrical water hole；The disc centre that presses and force transmission shaft are affixed, pressure circle Disk is evenly distributed with several aqueous vapor flow orifices；Compression disc body is compression cylindrical body, and it is recessed that compression cylindrical body top surface offers cross Slot, compression cylindrical sides offer four strip grooves, and cross groove and strip groove form rhone together；Be pressurized circle To hold sample cylinder snap ring on the outside of cylinder, holds sample cylinder snap ring bottom end and compression cylindrical body bottom end and be fixed together composition by pedestal annulus Card slot, compression cylinder bottom are connected with knob.

The counterweight of different weight can be placed on bearing plate, provide vertical pressure for whole device, power transmission axis hole can ensure that Force transmission shaft is in vertical direction always；Water hole can hold the pressure between sample cylinder and external environment in load balance early period, and Attack solution can be made to enter and held in sample cylinder, sufficiently corroded in erosion process；Aqueous vapor flow orifice is used for water-permeable and air permeable, so that by Two parts up and down that pressure disk is separated into keep water, gas balance, and attack solution can be made to enter and hold sample cylinder in erosion process In, sufficiently corrode.

Further, the supporting mechanism includes support base, knob pedestal, corrodes cylinder snap ring, discharge opening and water blockoff plug, The support base is surrounded by 4 arc-shaped support legs；Knob pedestal is cylindrical body groove, it is located at table in support base At the center of face, knob base side is matched there are two arc-shaped latch with the knob on compression disk, is fixed on compression disk In support base；The erosion cylinder snap ring is toroidal cavity, and the center of circle is located at the center of support base, inside distribution There is screw thread；The discharge opening is located at knob pedestal and corrodes at the annulus between cylinder snap ring, and screw thread is distributed in inside；It is described stifled Water plug upper part has screw thread, matches with discharge opening internal whorl.

When tightening water blockoff plug on discharge opening below support base, liquid cannot pass through from discharge opening.

Further, the erosion mechanism includes corroding cylinder, closing screw thread, water filling port, water outlet, described to close screw thread point Cloth is corroding bottom of cylinder, matches with cylinder snap ring internal whorl is corroded, and water filling port, water outlet are separately positioned under erosion cylinder Portion and top.

Further, cutting mechanism includes cutting steel wire skeleton, cutting steel wire, cutting steel wire handle, the cutting steel wire bone Frame by 2 root long 100mm, spacing 65mm, the cylindrical body being parallel to each other and a root long 65mm, width, Gao Jun 5mm cuboid it is affixed and At, the cutting steel wire be fixed in be on cutting steel wire skeleton long 65mm, diameter 0.1mm, spacing 80mm 2 steel wires；Institute The cutting steel wire handle stated is fixed on cutting steel wire skeleton.

Further, the note earthenware is made of syringe needle, needle tubing and piston, and needle tubing is the hollow of one end open at one end closure Graduated scale is distributed in cylinder thereon, and syringe needle and closed one end are affixed, and inside communicates, and piston is rubber cylinder, one end with Needle tubing closes end in contact, and the other end is connected with cylindrical body glue stick.

Further, the three bearings film cylinder includes holding film cylinder, exhaust pipe, and holding film cylinder is interior diameter 39.1mm, high 80mm Hollow cylinder；Exhaust pipe is arranged in three bearing film cylinder middles.

It further, further include ear washing bulb, ear washing bulb is made of suction ball and suction nozzle, and suction nozzle is matched with exhaust pipe, can will be vented Gas in pipe is sucked out.

Further, the water filling port is connect with electronic infusion machine, electronic infusion machine include infusion machine operating room, liquid injection port, Flow speed controller, infusion port, infusion tube, the infusion machine inside working chamber are disposed with circuit and liquid reserve tank, the liquid injection port It is connected to the liquid reserve tank of infusion machine inside working chamber, attack solution is injected in the liquid reserve tank in infusion machine operating room by liquid injection port； The flow speed controller is located at below infusion port, and infusion port is fixed on the right side of infusion machine operating room, connect with liquid reserve tank, infusion port Flow velocity controlled by flow speed controller；Infusion tube one end is mountable in infusion port, and water filling port is inserted into one end.

The transfusion speed of electronic infusion machine is controlled by adjusting flow speed controller, flow speed controller slides flow velocity to the left and subtracts Small, flow speed controller slides to the right flow velocity increase；Corrode attack solution in mechanism from injection in electronic infusion machine.

Further, the water outlet is provided with solution collecting mechanism, is provided with waste liquid cylinder below the discharge opening.

After adopting the above scheme, compared with prior art, the present invention having the advantage that

(1) breaches the constraint of traditional sample preparation device by holding the combination of sample cylinder and semi-permeable membrane, can complete high-moisture percentage The production of three axis sample of soil cement.

(2) counterweight is placed on bearing plate, can be made for sample and pressure is provided, make cement soil sample made of laboratory more Meet the actual conditions of site.

(3) the fixed power transmission axis hole covered of pressure can make force transmission shaft in a vertical state always, to guarantee that sample exists Only by the effect of vertical force in manufacturing process.Water hole can carry out water filling when starting pressure and guarantee to hold in sample cylinder the soil cement beginning It is in a saturated state eventually, and attack solution and soil cement can be facilitated when holding soil cement in sample cylinder and being compressed into and corrode liquid level or less Contact, more really simulation erosion environment.

(4) the aqueous vapor balance hole that presses on disk can be permeable, ventilative, guarantees that negative pressure will not be generated in sample making course, Facilitate contact of the attack solution with soil cement, more really simulates erosion environment.

(5) the rhone on compression disk and drain hole can be permeable, ventilative, by the water generated in course of exerting pressure and gas It is discharged, the combination of the knob pedestal on knob and support base on compression disk consolidates compression disk simply and easily It is scheduled in support base, guarantees the stabilization of sample making course.

(6) soil cement parent sample accurately can be cut into diameter 39.1mm by the combination of cutting steel wire and three bearing film cylinders, The three axis samples of high 80mm, while being avoided that in cutting process and generating excessive disturbance to sample.

(7) infuses earthenware and injects the soil cement newly injected from the soil cement having been injected into during infusing soil, reduces examination The generation of bubble in sample.

(8) corrodes cylinder and the combination of the erosion cylinder snap ring in support base and can make to corrode cylinder and support base composition One closed environment, convenient for simulation eating condition.The erosion cylindrical design of hollow cylinder had both been able to achieve the mould of erosion environment It is quasi-, and can be reduced the waste of attack solution.

(9) the combination energy analog constant concentration of the electronic infusion machine of, water filling port and water outlet corrodes, and infusion tube passes through water filling Mouth corrodes attack solution in cylinder from injection in electronic infusion machine, and water outlet justifies the attack solution for consuming ion from erosion It is discharged in cylinder, realizes constant erosion effect.

(10) the entire mechanism of is simple, exquisite, cost performance is high, can be mass produced.

Detailed description of the invention

Fig. 1 is overall schematic of the present invention；

Fig. 2 is the schematic diagram of cutting mechanism of the present invention；

Fig. 3 is the schematic diagram of present invention note earthenware；

Fig. 4 is the schematic diagram of three bearing film cylinders of the invention；

Fig. 5 is the schematic diagram of ear washing bulb of the present invention；

Fig. 6 is the schematic diagram of the fixed lid of present invention pressure；

Fig. 7 is the schematic diagram of present invention pressure disk；

Fig. 8 is the schematic diagram of compression disk of the present invention；

Fig. 9 is the schematic diagram that the present invention holds model machine structure；

Figure 10 is the schematic diagram of supporting mechanism of the present invention；

Figure 11 is the schematic diagram that the present invention corrodes mechanism；

Figure 12 is the schematic diagram of solution collecting mechanism of the present invention；

Figure 13 is the schematic diagram of the electronic infusion machine of the present invention；

Schematic diagram when Figure 14 is sample preparation of the present invention.

Label declaration:

1 pressure exerting arrangement, 11 bearing plates, 12 force transmission shafts, the fixed lid of 13 pressures, 131 power transmission axis holes, 132 water holes, 14 pressures Disk, 141 pressure cylindrical bodies, 142 aqueous vapor flow orifices, 15 compression disks, 151 compression cylindrical bodies, 152 rhones, 153 hold sample cylinder Snap ring, 154 pedestal annulus, 155 knobs；2 hold model machine structure, and 21 hold sample cylinder, 22 semi-permeable membranes；3 supporting mechanisms, 31 support bases, 32 Knob pedestal, 33 corrode cylinder snap ring, 34 discharge openings, 35 water blockoff plugs；4 erosion mechanisms, 41 erosion cylinders, 42 closed screw threads, 43 Water filling port, 44 water outlets；5 cutting mechanisms, 51 cutting steel wire skeletons, 52 cutting steel wires, 53 cutting steel wire handles；6 note earthenwares, 61 Syringe needle, 62 needle tubings, 63 pistons；7 solution collecting mechanisms, 71 solution collecting vessels, 72 water outlet card slots；8 three bearing film cylinders, 81 hold film Cylinder, 82 exhaust pipes；9 ear washing bulbs, 91 suction balls, 92 suction nozzles；10 electronic infusion machines, 101 infusion machine operating rooms, 102 liquid injection ports, 103 Flow speed controller, 104 infusion ports, 105 infusion tubes；011 waste liquid cylinder.

Specific embodiment

The present invention is further illustrated in the following with reference to the drawings and specific embodiments.

In conjunction with shown in Fig. 1-14, one of present invention simulates the sample making apparatus for the three axis samples that overall process corrodes, including Pressure exerting arrangement 1 holds model machine structure 2, supporting mechanism 3, corrodes mechanism 4, cutting mechanism 5, note earthenware 6, solution collecting mechanism 7, three axis Hold film cylinder 8, ear washing bulb 9, electronic infusion mechanism 10 and waste liquid cylinder 011.

Bearing plate 11 is located at top, under be force transmission shaft 12, the fixed lid 13 that presses passes through force transmission shaft 12, and three are distributed with thereon A circular hole is power transmission axis hole 131 at center；Monosymmetric is water hole 132.The main body of pressure disk 14 is pressure cylindrical body 141, it is fixed on 12 bottom end of force transmission shaft；It is evenly equipped with aqueous vapor flow orifice 142 thereon.The main body of compression disk 15 is compression cylindrical body 151, it is located at immediately below pressure disk 14；Rhone 152 is distributed with thereon；The outside of compression cylindrical body 151 is to hold sample cylinder snap ring 153；Compression cylindrical body 151 and hold between sample cylinder snap ring 153 by pedestal annulus 154 connect；Knob 155 is in compression cylindrical body 151 bottoms.It holds sample cylinder 21 to be located under the fixed lid 13 of pressure, semi-permeable membrane 22 is tightly attached at the circular-hole internal-wall held on sample cylinder 21, is guaranteed Hold 21 inner wall smooth of sample cylinder.Support base 31 is located under compression disk 15, has knob pedestal 32 at end face center thereon and is pressurized Knob 155 on disk 15 matches, and can be fixed on compression disk 15 at 31 center of support base.Cylinder snap ring 33 is corroded to be located at There are screw thread in 32 outside of knob pedestal, inside, have one to run through support base corroding between cylinder snap ring 33 and knob pedestal 32 There are screw thread in 31 discharge opening 34, inside, and water blockoff plug 35 is matched with discharge opening 34.It is molten when water blockoff plug 35 is mounted on discharge opening 34 Liquid cannot be flowed out by discharge opening.Corroding 41 lower end of cylinder is the erosion cylinder snap ring on tight thread 42, with support base 31 Screw thread matching in 34, can make to corrode cylinder 41 and 31 airtight connection of support base, guarantee that solution cannot be flowed out from junction.Note The mouth of a river 43, which is located at, corrodes 41 bottom end of cylinder, and water outlet 44, which is located at, corrodes 41 top of cylinder.Two are fixed on cutting steel wire skeleton 51 The cutting steel wire 52 of root spacing 80mm, long 65mm, cutting steel wire handle 53 are distributed in 51 two sides of cutting steel wire skeleton.Infuse earthenware 6 It is made of syringe needle 61, needle tubing 62 and piston 63, pushes piston 63 that the soil cement in needle tubing 62 is discharged from syringe needle 61.Solution is received Collection bucket 71 is located at 44 lower section of water outlet, is matched by water outlet card slot 72 with water outlet 44, can collect from the discharge of water outlet 44 Solution.The main body of three bearing film cylinders 8 is to hold film cylinder 81, the exhaust pipe 82 of the affixed hollow cylinder in middle, exhaust pipe 82 It is connected to inside film cylinder 81 with holding.The main body of ear washing bulb 9 is suction ball 91, is connected with suction nozzle 92 thereon, and is connected to inside suction ball 91.Electricity The main body of dynamic infusion machine 10 is infusion machine operating room 101, has liquid injection port 102 thereon, flow speed controller 103 is located at liquid injection port 102 Lower section, infusion port 104 is located at 101 right side of infusion machine operating room, is connected with an infusion tube 105 thereon.Waste liquid cylinder 011 Immediately below discharge opening 34 in support base 31, for collecting solution.

The pressure exerting arrangement 1 is by bearing plate 11, and force transmission shaft 12, press fixed lid 13, and press disk 14, compression disk 15 Composition.

The bearing plate 11 is the disk of diameter 150mm, thickness 15mm, can place the counterweight of different weight thereon, Vertical pressure is provided for whole device.

The force transmission shaft 12 is the cylindrical body of diameter 20mm, high 200mm, the fixed company in the center of one end and bearing plate 11 It connects.

The fixed lid 13 of the pressure is the dome of interior diameter 49.5mm, overall diameter 60mm, has one at dome end face center A diameter is the power transmission axis hole 131 of 22mm, can ensure that force transmission shaft 12 always in vertical direction.131 two sides of power transmission axis hole have two A symmetrical hole is the water hole 132 of diameter 9mm, can be held between sample cylinder 21 and external environment in load balance early period Pressure, and can in erosion process, make attack solution enter hold in sample cylinder 21, sufficiently corrode.

The main body of the pressure disk 14 is the pressure cylindrical body 141 of a diameter 39.1mm, high 20mm, center and biography Power axis 12 is affixed, and the needle-like perforated holes of uniformly distributed 7 diameter 3mm are aqueous vapor flowing on the circumference at the distance center 15mm of top surface Hole 142 is used for water-permeable and air permeable, so that being pressed two parts up and down that disk 14 is separated into keeps water, gas balance, and can corrode In the process, enter attack solution to hold in sample cylinder 21, sufficiently corrode.

The main body of the compression disk 15 is the compression cylindrical body 151 of a diameter 39.1mm, high 20mm, compression cylinder There are the cross groove of a wide 5mm, long 39.1mm, depth 5mm on 151 top surface of body, there are four on 151 side of compression cylindrical body The strip groove of wide 5mm, long 20mm, depth 5mm, cross groove and strip groove form rhone 152, rhone 152 together The water on 15 top of compression disk can be discharged.It is an interior diameter 49.5mm, overall diameter 60mm, height on the outside of compression cylindrical body 151 10mm's holds sample cylinder snap ring 153, hold 153 bottom end of sample cylinder snap ring and 151 bottom end of compression cylindrical body by an overall diameter 49.5mm, Interior diameter 39.1mm, thickness 2mm pedestal annulus 154 be fixed together, form a card slot, card slot can will hold sample cylinder just 21 are stuck on compression disk 15.151 bottom of compression cylindrical body is connected with the knob 155 of a diameter 25mm, thickness 5mm.

The model machine structure 2 that holds is formed by holding sample cylinder 21 and semi-permeable membrane 22.

Described holds the hollow cylinder that sample cylinder 21 is an interior diameter 39.1mm, overall diameter 49.1mm, high 200mm, On be evenly equipped with the circular hole of diameter 5mm.

The semi-permeable membrane 22 is that one kind can only be mounted in the circular hole held on sample cylinder 21 by the film of hydrone Side.

The supporting mechanism 3 is by support base 31, knob pedestal 32, erosion cylinder snap ring 33, discharge opening 34 and water blockoff 35 composition of plug.

The support base 31 is the square that a length and width is 100mm, thickness 25mm, and surrounding has 4 height The arc-shaped support leg of 120mm, thickness 5mm.

The knob pedestal 32 is located at 31 upper surface center of support base, and the circle for diameter 25mm, thickness 5mm is recessed Slot, there are two arc-shaped latches for side, match with the knob 155 on compression disk 15, compression disk 15 can be made to be fixed on support On pedestal 31.

Described corrodes the toroidal cavity that cylinder snap ring 33 is interior diameter 80mm, overall diameter 85mm, and the center of circle is located at support At the center of pedestal 31, screw thread is distributed in inside.

The discharge opening 34 is the circular hole of diameter 10mm, is located at knob pedestal 32 and corrodes between cylinder snap ring 33 Annulus at, screw thread is distributed in inside.

The water blockoff plug 35 is the cylindricality plug of diameter 10mm, and upper part has screw thread, with 34 internal whorl of discharge opening Match, when tightening water blockoff plug 35 on discharge opening 34 below support base 31, liquid cannot pass through from discharge opening 34.

The erosion mechanism 4 by erosion cylinder 41, close screw thread 42, water filling port 43 and water outlet 44 and form.

Described corrodes the cylinder that cylinder 41 is interior diameter 80mm, overall diameter 85mm, high 130mm.

The closed screw thread 42, which is distributed in, corrodes 41 bottom of cylinder, matches with 33 internal whorl of cylinder snap ring is corroded, can Make to corrode cylinder 41 and 31 airtight connection of support base, guarantees that water cannot be flowed out from junction.

The water filling port 43 consists of two parts, first part be interior diameter 5mm, overall diameter 6mm, long 5mm it is hollow The cylindrical body composition of cylindrical body and overall diameter 5mm, long 3mm, only top is fixed on hollow cylinder cylindrical body, and other parts can It is mobile.Second part is the hollow cylinder of interior diameter 3mm, overall diameter 5.5mm, is fixed together with first part, centre connects It is logical.Liquid can enter from water filling port to be corroded in cylinder, but the liquid corroded in cylinder cannot be discharged from water filling port.

Rectangular hole of the water outlet 44 for the equal 5mm of length and width, the sink of an external long 8mm, width 5mm, high 5mm, Liquid discharge extra in cylinder will be corroded.

The cutting mechanism 5 is made of cutting steel wire skeleton 51, cutting steel wire 52 and cutting steel wire handle 53.

The cutting steel wire skeleton 51 is by 2 diameter 8mm, long 100mm, spacing 65mm, the cylindrical body group that is parallel to each other At, the cylindrical body of an affixed diameter 5mm, long 65mm in the bottom end of 2 cylindrical bodies, by two cylindrical bodies connect into one it is whole Body.

The cutting steel wire 52 is long 65mm, diameter 0.1mm, spacing 80mm be fixed on cutting steel wire skeleton 51 2 Root steel wire.

The cutting steel wire handle 53 is fixed in the cylinder on cutting steel wire skeleton 51 by two diameter 5mm, long 50mm The cylindrical body of body and a diameter 5mm, long 65mm link together composition.

The note earthenware 6 is made of syringe needle 61, needle tubing 62 and piston 63.

The syringe needle 61 is diameter 8mm, long 50mm, the insignificant hollow cylinder of thickness.

The needle tubing 62 is diameter 30mm, the open circles of the insignificant one end closure open at one end of long 200mm, thickness Graduated scale is distributed in column thereon, and syringe needle 61 and closed one end are affixed, and inside communicates.

The piston 63 is the rubber cylinder of overall diameter 30mm, thickness 10mm, and one end and needle tubing 62 close end in contact, One end is connected with the cylindrical body glue stick of diameter 10mm, height 200mm.

The solution collecting mechanism 7 is collected bung 72 by solution collecting vessel 71 and solution and is formed.

The solution collecting vessel 71 is the drum of interior diameter 50mm, high 80mm.

The solution collects bung 72 and matches and can enclose solution collecting vessel 71 with solution collecting vessel 71.Described Three bearing film cylinders 8 are formed by holding film cylinder 81 with exhaust pipe 82.

Described holds the hollow cylinder that film cylinder 81 is interior diameter 39.1mm, high 80mm.

The exhaust pipe 82 is the hollow cylinder of interior diameter 3mm, overall diameter 5mm, long 25mm, is fixed in three bearing films 8 middles of cylinder, are connected to inside film cylinder 81 with holding.

The ear washing bulb 9 is made of suction ball 91 and suction nozzle 92.

The suction ball 91 is the hollow ball of interior diameter 30mm, overall diameter 32mm.

The suction nozzle 92 is the hollow cylinder of interior diameter 2mm, overall diameter 2.8mm, is fixed in one end of suction ball 91, with Exhaust pipe 82 matches, and the gas in exhaust pipe 82 can be sucked out.

The electronic infusion machine 10 is by infusion machine operating room 101, liquid injection port 102, flow speed controller 103, infusion port 104, infusion tube 105 forms.

The infusion machine operating room 101 is the cuboid of long 180mm, width 100mm, high 250mm, and inside is disposed with circuit With liquid reserve tank.

The liquid injection port 102 is the square notch of long 40mm, width 40mm, is connected to inside infusion machine operating room 101 Liquid reserve tank, attack solution can be injected in the liquid reserve tank in infusion machine operating room by liquid injection port 102.

The flow speed controller 103 is located at below infusion port, can control electronic infusion by adjusting flow speed controller 103 The transfusion speed of machine 10, flow speed controller slide flow velocity reduction to the left, and flow speed controller slides to the right flow velocity increase.

The infusion port 104 is fixed in 101 right side of infusion machine operating room, connect with liquid reserve tank, the flow velocity of infusion port 104 It is controlled by flow speed controller 103.

The infusion tube 105 is the hollow cylindrical tube of interior diameter 2mm, overall diameter 3mm, and one end is mountable in infusion port On 104, one end be can be inserted on water filling port 43, corrode attack solution in mechanism 4 from injection in electronic infusion machine 10.

The waste liquid cylinder 011 is the hollow cube cylinder of the equal 80mm of length, for collecting attack solution.

The sample making apparatus and its method for making sample for the three axis samples that a kind of simulation overall process of the present embodiment corrodes, with strand water For soil: soil sample water content 80%, cement mixed ratio 20%, curing age 7 days.Include the following steps:

(1) sample preparation device assembles.

(1)-A smears lubricant.Lubricant is applied to and holds 21 inner wall of sample cylinder, pressure 14 bottom surface of disk and compression disk Top surface on 15.

(1)-B lower mechanisms assemble.Compression disk 15 is mounted in support base 31 by knob 155, is justified being pressurized A filter paper is placed in 151 upper surface of cylinder, will hold sample cylinder 21 and is mounted on holding in sample cylinder snap ring 153 on compression disk 15.

(1)-C other component prepares.Mechanism 4, cutting mechanism 5, solution collecting mechanism 7, three bearing film cylinders 8 will be corroded and washed Ear ball 9 is placed on the left side of supporting mechanism 3, by bearing plate 11, force transmission shaft 12, the fixed lid 13 that presses, pressure disk 14 and note earthenware 6 It is placed on the right side of supporting mechanism 3.Waste liquid cylinder 011 is placed on to 34 lower section of discharge opening in support base 31.

(2) each raw material preparation.

(2)-A weighs littoral soft soil.2mm sieve is crossed after littoral soft soil is dried, by calculating, the strand for weighing 100g is soft Soil, to use in next step.

(2)-B weighs cement.Cement mixed weight is calculated according to additive ratio, the cement of 20g is weighed, to use in next step.

(2)-C weighs stirring water.Amount of water needed for calculating according to the water content of sample, the water for weighing 96g pour into watering can In.

(2)-D configures attack solution.It is molten with the erosion of concentration as standard configuration according to the erosion environment that scene measures Liquid.

(3) prepared by strand soil cement.

(3)-A premixing weak soil, cement material.Littoral soft soil and cement are successively poured into blender, are stirred.

(3)-B addition stirring water.It after littoral soft soil and cement mixing are uniform, fills the water while stirring, by the water in watering can All in injection blender, until stirring evenly.

(4) strand soil cement injects.

(4)-A loads strand soil cement.The strand soil cement stirred evenly is all put into note earthenware 6.

(4)-B injects strand soil cement.21 bottom of sample cylinder is held into the note insertion of earthenware 6, is covered on syringe needle 61 and compression disk 15 The filter paper of lid contacts, and pushes piston 63, and soil cement injection in strand is held in sample cylinder 21, guarantees that syringe needle 61 is inserted always in injection process Inside the strand soil cement having been injected into, marginal not enters side and promotes note earthenware 6, until the strand soil cement in note earthenware 6 is all infused Enter to hold in sample cylinder 21, by the top of strand soil cement in filter paper Gai Cheng sample cylinder 21.

(5) mechanism assembling is corroded.

(5)-A installs water blockoff plug.It will be tightened at discharge opening 34 that water blockoff plug 35 is mounted in support base 31, make solution not It can pass through from discharge opening 34.

(5) cylinder is corroded in-B installation.The one end for corroding the closed screw thread 42 of 41 lower bands of cylinder is tightened in support base 31 On erosion cylinder snap ring 33 at, prevent solution from passing through with 31 junction of support base from corroding cylinder 41.

(6) solution collecting mechanism is installed.Solution collecting vessel 71 is placed in support base 31, solution collecting vessel 7 is rotated It is stuck in the water outlet 44 corroded on cylinder 41 at the water outlet card slot 72 on solution collecting vessel 71.

(7) pressure exerting arrangement is installed.By the bearing plate 11 on the left of desktop, force transmission shaft 12, the fixed lid 13 of pressure and pressure disk 14 pick up, and first pressure disk 14 and force transmission shaft 12 are put into and are held in sample cylinder 21, then the fixed close Gai Cheng sample of lid 13 that will press On cylinder 21, it is ensured that force transmission shaft 12 is in a vertical state.

(8) first order presses.Suffered upper pressure is 30kPa to strand soil cement at the construction field (site), according to 10kPa mono- Grade, less than being loaded according to 10kPa for 10kPa, this pressure grade is 3 grades of pressures.It is calculated at the casting of 3kg in this equipment Iron counterweight can provide the vertical pressure of 10kPa, and the cast iron counterweight of 3kg is placed on bearing plate 11, start first order pressure.Load Shi Changwei for 24 hours, is filled the water every water hole 132 of the 8h into the fixed lid 13 that presses, sample cylinder 21 is held in guarantee during loading Interior strand soil cement is in a saturated state always, observes 11 fall of bearing plate.

(9) attack solution is poured into.When bearing plate 11 does not land significantly, configured attack solution is poured into erosion In cylinder 41, it will stop close at water outlet 44 to liquid level.

(10) analog constant corrodes.First attack solution is poured into from the liquid injection port 102 of electronic infusion machine 10, then will be electronic defeated The water filling port 43 on cylinder 41 is corroded in the insertion of infusion tube 105 on liquid machine 10, adjusts flow speed controller 103 and slides to the right, makes Attack solution slowly corrodes in cylinder 41 from injection in electronic infusion machine 10.

(11) multistage pressure.

(11)-A continues to press.It repeats step (8), carries out second level pressure, other grades in addition to afterbody are pressed It completes.Increase the cast iron counterweight of 3kg on bearing plate 11, when load is a length of for 24 hours, and solid to pressure every 8h in course of exerting pressure The water hole 132 determined in lid 13 is filled the water, and guarantees that the strand soil cement held in sample cylinder 21 is in a saturated state always, until holding When strand soil cement in sample cylinder 21 is compressed into attack solution liquid level or less, stop water filling.

(11)-B afterbody presses.The cast iron counterweight for adding 3kg again on bearing plate 11 presses, and stands 7 days, the phase Between filled the water every the water injection hole 132 for 24 hours into the fixed lid 13 that presses, guarantee that the soil held in sample cylinder 21 is in saturation always State.It is finally completed multistage pressure, parent sample is made in the strand soil cement held in sample cylinder 21.

(12) three bearing film cylinders prepare.

(12)-A covers latex film.Ready latex film is passed through inside three bearing film cylinders 8 on triaxial apparatus, struts cream Glue film, by emulsion film a set of on three bearing film cylinders 8.

(12) the smooth latex film of-B.The suction nozzle 91 of ear washing bulb 9 is inserted in the exhaust pipe 82 on three bearing film cylinders 8, is sucked out Latex film and the excessive gas between film cylinder 81 is held, smooth latex film makes latex film is smooth to be attached to inside three bearing film cylinders 8.

(13) attack solution is handled.

(13) attack solution is discharged in-A.The water blockoff plug 35 of 31 lower section of support base is extracted, makes to corrode invading in cylinder 41 Erosion solution is discharged into waste liquid cylinder 011 from discharge opening 34.

(13)-B collects spillage solution and takes down solution collecting vessel 71 from supporting mechanism 3, and the erosion being collected into is molten Liquid pours into waste liquid cylinder 011.

(14) upper mechanism is separated.

(14) mechanism is corroded in-A separation.The infusion tube 105 for being inserted in water filling port 43 is extracted, infusion tube 105 is put into useless In fluid cylinder 011, adjusts flow speed controller 103 and slide into flow velocity maximum to the right, erosion remaining in electronic infusion machine 10 is molten Liquid is discharged into waste liquid cylinder 011, and adjusting flow speed controller 103 and sliding into flow velocity to the left is to pack up electronic infusion machine 10 at 0.Rotation Cylinder 41 is corroded, cylinder 41 will be corroded and separated with support base 31.

(14)-B separates pressure exerting arrangement.Remove the counterweight on bearing plate 11, rotates the knob 155 on compression disk 15, it will Compression disk 15 holds sample cylinder 21, pressure disk 14, force transmission shaft 12, the fixed lid 13 that presses, bearing plate 11 and erosion cylinder 41 together It is taken out from support base.

(15) soil sample is cut.

(15)-A removes compression disk.Sample cylinder 21 will be held to lay flat, rotate and hold sample cylinder snap ring 153 on compression disk 15, it will Compression disk 15 is removed on sample cylinder 21 from holding.

(15)-B releases parent sample.Sample cylinder 21, which will be held, has one end of bearing plate 11 to place vertically downwards, three bearing film cylinders 8 It lies in and holds the one end of sample cylinder 21 without bearing plate 11, push bearing plate 11, parent sample is packaged into cream from push-in in sample cylinder 21 is held In three bearing film cylinders 8 of glue film, sample cylinder 21 and three bearing film cylinders 8 will be held and laid flat from vertical state as horizontal state, and guarantees that parent tries Sample has exposing at three bearing film cylinders, 8 both ends.

(15)-C is cut into standard sample.Cutting steel wire 52 is directed at three bearing film cylinders, 8 both ends, mobile 52 mistake of cutting steel wire Strand soil cement in three bearing film cylinders 8 is cut into the three axis samples of diameter 39.1mm, high 80mm by three bearing film cylinders, 8 both ends, peace Three axis sample caps are filled, closed, progress triaxial test is carried out with latex film.

(16) instrument is arranged.Instrument is cleaned, desktop is cleared up.Attack solution in waste liquid cylinder 011 is poured into cleaning pond, it will Pressure exerting arrangement 1, hold model machine structure 2, supporting mechanism 3 and corrode mechanism 4 assemble put on the table, by cutting mechanism 5, note earthenware 6, Solution collecting mechanism 7, three bearing films 8, in 011 inserter case of ear washing bulb 9, electronic infusion machine 10 and waste liquid cylinder to next time It uses.

It above are only specific embodiments of the present invention, while such as " upper and lower, left and right, centre " involved in all present invention Equal words are only used as with reference to not absolute limit, all changes for being carried out unsubstantiality using the present invention should belong to and invade this hair The behavior of bright protection scope.

Claims (10)

1. a kind of sample making apparatus for the three axis samples that simulation overall process corrodes, it is characterised in that: including pressure exerting arrangement, hold model machine Structure, supporting mechanism corrode mechanism, cutting mechanism, note earthenware, three bearing film cylinders, and the model machine structure that holds is installed on supporting mechanism, Soil cement injection is held in model machine structure by note earthenware, model machine structure will be held and be put into and corroded in mechanism, the pressure exerting arrangement is able to cooperate It holds model machine structure soil cement is pressed to obtain parent sample, parent sample is cut after being put into three bearing film cylinders by cutting mechanism At three axis sample of standard, holding model machine structure includes holding sample cylinder, holds and is evenly equipped with circular hole on sample cylinder barrel, holds sample bore hole inner wall and set It is equipped with semi-permeable membrane.

2. a kind of sample making apparatus of three axis samples that simulation overall process corrodes according to claim 1, it is characterised in that: institute It states pressure exerting arrangement to include bearing plate, force transmission shaft, press and fix lid, pressure disk, compression disk, bearing plate and the disk that presses are arranged At force transmission shaft both ends, the fixed lid that presses is arranged on force transmission shaft, and compression disk is used to hold the soil cement in sample cylinder；Wherein, Bearing plate is the disk of diameter 150mm, thickness 15mm, and force transmission shaft is the cylindrical body of diameter 20mm, high 200mm；The fixed lid of pressure It is equipped with the power transmission axis hole that a diameter is 22mm for the dome of interior diameter 49.5mm, overall diameter 60mm, at dome end face center, passes Power axis hole two sides are set there are two symmetrical water hole；The disc centre that presses and force transmission shaft are affixed, and pressure disk is uniformly distributed several A aqueous vapor flow orifice；Compression disc body is compression cylindrical body, and compression cylindrical body top surface offers cross groove, compression cylinder Body side surface offers four strip grooves, and cross groove and strip groove form rhone together；It is on the outside of compression cylindrical body Sample cylinder snap ring is held, sample cylinder snap ring bottom end is held and compression cylindrical body bottom end is fixed together by pedestal annulus and forms card slot, be pressurized Cylinder bottom is connected with knob.

3. a kind of sample making apparatus of three axis samples that simulation overall process corrodes according to claim 1, it is characterised in that: institute Supporting mechanism is stated to include support base, knob pedestal, corrode cylinder snap ring, discharge opening and water blockoff plug, the support base four Week is equipped with 4 arc-shaped support legs；Knob pedestal is cylindrical body groove, it is located at the center of support base upper surface, knob bottom Seat side is matched there are two arc-shaped latch with the knob on compression disk, is fixed on compression disk in support base；It is described Erosion cylinder snap ring be toroidal cavity, the center of circle is located at the center of support base, and screw thread is distributed in inside；The sluicing Mouth is located at knob pedestal and corrodes at the annulus between cylinder snap ring, and screw thread is distributed in inside；Described water blockoff plug upper part has spiral shell Line is matched with discharge opening internal whorl.

4. a kind of sample making apparatus of three axis samples that simulation overall process corrodes according to claim 1, it is characterised in that: institute It states and corrodes mechanism including corroding cylinder, closing screw thread, water filling port, water outlet, the screw thread that closes is distributed in erosion bottom of cylinder, It is matched with cylinder snap ring internal whorl is corroded, water filling port, water outlet are separately positioned on the lower part and top of erosion cylinder.

5. a kind of sample making apparatus of three axis samples that simulation overall process corrodes according to claim 1, it is characterised in that: cut Cutting mill structure includes cutting steel wire skeleton, cutting steel wire, cutting steel wire handle, the cutting steel wire skeleton by 2 root long 100mm, Away from 65mm, the cylindrical body and a root long 65mm that are parallel to each other, width, Gao Jun 5mm cuboid it is affixed form, the cutting steel wire is Be fixed in be on cutting steel wire skeleton long 65mm, diameter 0.1mm, spacing 80mm 2 steel wires；The cutting steel wire handle is solid It connects on cutting steel wire skeleton.

6. a kind of sample making apparatus of three axis samples that simulation overall process corrodes according to claim 1, it is characterised in that: institute The note earthenware stated is made of syringe needle, needle tubing and piston, and needle tubing is the hollow cylinder of one end open at one end closure, and quarter is distributed with thereon Ruler is spent, syringe needle and closed one end are affixed, and inside communicates, and piston is rubber cylinder, and one end and needle tubing close end in contact, separately One end is connected with cylindrical body glue stick.

7. a kind of sample making apparatus of three axis samples that simulation overall process corrodes according to claim 1, it is characterised in that: institute Stating three bearing film cylinders includes holding film cylinder, exhaust pipe, holds the hollow cylinder that film cylinder is interior diameter 39.1mm, high 80mm；Exhaust pipe It is arranged in three bearing film cylinder middles.

8. a kind of sample making apparatus of three axis samples that simulation overall process corrodes according to claim 7, it is characterised in that: also Including ear washing bulb, ear washing bulb is made of suction ball and suction nozzle, and suction nozzle is matched with exhaust pipe, and the gas in exhaust pipe can be sucked out.

9. a kind of sample making apparatus of three axis samples that simulation overall process corrodes according to claim 4, it is characterised in that: institute Water filling port is stated to connect with electronic infusion machine, electronic infusion machine include infusion machine operating room, liquid injection port, flow speed controller, infusion port, Infusion tube, the infusion machine inside working chamber are disposed with circuit and liquid reserve tank, and the liquid injection port is connected in infusion machine operating room The liquid reserve tank in portion, attack solution are injected in the liquid reserve tank in infusion machine operating room by liquid injection port；The flow speed controller is located at Below infusion port, infusion port is fixed on the right side of infusion machine operating room, is connect with liquid reserve tank, the flow velocity of infusion port is by flow speed controller Control；Infusion tube one end is mounted on infusion port, and water filling port is inserted into one end.

10. a kind of sample making apparatus of three axis samples that simulation overall process corrodes according to claim 4, it is characterised in that: The water outlet is provided with solution collecting mechanism, is provided with waste liquid cylinder below the discharge opening.