CN203247614U - Anchor-pulling type retaining wall model test device - Google Patents
Anchor-pulling type retaining wall model test device Download PDFInfo
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- CN203247614U CN203247614U CN 201320254176 CN201320254176U CN203247614U CN 203247614 U CN203247614 U CN 203247614U CN 201320254176 CN201320254176 CN 201320254176 CN 201320254176 U CN201320254176 U CN 201320254176U CN 203247614 U CN203247614 U CN 203247614U
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Abstract
The utility model discloses an anchor-pulling type retaining wall model test device. The anchor-pulling type retaining wall model test device comprises a test groove, a main stress surface cantilever retaining wall, an attached stress surface cantilever retaining wall, a loading system and a test system, wherein the main stress surface cantilever retaining wall and the attached stress surface cantilever retaining wall are arranged inside the test groove, the main stress surface cantilever retaining wall comprises a main stress surface vertical steel plate and a first horizontal steel plate which are connected, the attached stress surface cantilever retaining wall comprises an attached stress surface vertical steel plate and a second horizontal steel plate which are connected, the main stress surface vertical steel plate is provided with a first anchor rod penetrating hole, the attached stress surface vertical steel plate is provided with a second anchor rod penetrating hole, the loading system comprises a vertical loading structure and a pre-stress loading structure, the lower portion of the vertical loading structure is connected with the ground, the upper portion of the vertical loading structure is connected with and in contact with soil, and the pre-stress loading structure is connected with two sides of the main stress surface cantilever retaining wall. The anchor-pulling type retaining wall model test device is convenient to install and detach, can be reused, lowers cost and improves work efficiency.
Description
Technical field:
The utility model relates to highway construction, railway engineering, Geotechnical Engineering field, relates in particular to a kind of anchor Rods In Tied Double Retaining Walls model test apparatus.
Background technology:
Along with the growing tension of China's cultivated land resource, land resources is day by day valuable in the highway construction process, and barricade substitutes the extensive concern that high side slope of embankment technology is subject to engineering circles.Retaining wall is anti-to incline and stability against sliding in order to improve, and puts the wall-retaining structure form that muscle formula retaining wall structure becomes new development, and effect is good.Yet because its stress characteristic is significantly different from common barricade, how setting up rational mechanics model becomes the hot issue that engineering circles is paid close attention to.Model testing can instruct scientific research, technician to inquire into the barricade force-mechanism, and the design formulas that theorizes is improved the wall-retaining structure form, but reasonably model test apparatus is the key issue of model testing success.Consult data of literatures, discovery has Chinese patent 200910131281 to disclose a kind of centrifugal model retaining wall test device, this equipment comprises drive system, model retaining wall structure, measuring system and model retaining wall displacement automatic control system, and this device is mainly used in the research of rigid retaining walls inactive state and master end soil pressure.Chinese patent 201120190507 discloses a kind of soil pressure model testing device of retaining wall, by settling the pressure sensitive film at the gear indigenous equipment, and can reflect that the pressure measurement water pipe that soil pressure changes carries out soil pressure observation, land movement is controlled by travel(l)ing rest, can observe the impact that the different displacement model of retaining wall distributes on soil pressure.More than device mainly is the improvement of carrying out for the accuracy that improves traditional Earth Pressure of Retaining Wall test, the utility model that namely belongs to the method for testing aspect, the utility model then mainly is applicable to the pull-type Earth Pressure of Retaining Wall of anchor and displacement observation, belongs to the utility model of testing arrangement aspect.The utility model is summed up in conjunction with existing practical experience, has developed a kind of anchor Rods In Tied Double Retaining Walls model test apparatus, and its size can be carried out the assembly unit adjustment as required, and the anchor pole form can freely be selected, and can be used for simulating more than ten and plants the barricade loading condition.
Summary of the invention
The utility model provides a kind of anchor Rods In Tied Double Retaining Walls model test apparatus in order to solve the prior art above shortcomings; The parameters such as at any time adjustment model size, bolt support form, reinforcing of this experimental rig opportunity are applicable to the pull-type barricade stress and displacement test of casting anchor of different working conditions.The utility model is easy to processing, and installation, convenient disassembly can reuse, and reduces cost, increases work efficiency.
A kind of anchor Rods In Tied Double Retaining Walls model test apparatus comprises test flume, main stress face cantilever barricade, attached stress surface cantilever barricade, loading system, test macro; Described main stress face cantilever barricade, attached stress surface cantilever barricade are located in the test flume, and described main stress face cantilever barricade comprises the vertical steel plate of main stress face and the first horizontal steel plate that is connected, the vertical steel plate of main stress face and the first horizontal Plate Welding; Described attached stress surface cantilever barricade comprises the vertical steel plate of attached stress surface and the second horizontal steel plate that is connected, the vertical steel plate of main stress face and the second horizontal Plate Welding; The vertical steel plate of described main stress face is provided with the first anchor perforation, and the first anchor perforation position is carried out the ratio reduced scale according to Practical Project and determined that the vertical steel plate of described attached stress surface is provided with the second anchor perforation, wears drawing reinforcing bar when the second anchor perforation is used as supporting; Described loading system comprises vertical loading structure, prestressing force loading structure, described vertical loading structure bottom is connected with ground, top is connected, and gives to banket and apply pressure at right angle with banketing, and described prestressing force loading structure is connected with main stress face cantilever barricade both sides, also inwardly exerts pressure; Described test macro comprises stress test device, the displacement tester that is connected with measurand.
Described test flume is that steel concrete is built the rectangle hole groove that forms, and test flume adopts rubble to do wall base plinth, and main stress face cantilever barricade, attached stress surface cantilever barricade are connected with wall base plinth respectively.The test flume size can be adjusted according to design can place model as standard, and crushed rock base course thickness is no less than 40cm.
Described main stress face cantilever barricade, attached stress surface cantilever barricade material are the Q235 steel plate.Wherein the vertical steel plate of main stress face cantilever barricade and the first horizontal steel plate thickness, width, length are determined according to similar proportion; The height of attached stress surface cantilever barricade is identical with main stress face cantilever barricade, and its length is as the criterion can guarantee that barricade is stable.
Between the vertical steel plate of main stress face and the first horizontal steel plate of described main stress face cantilever barricade, and be provided with deep floor between the vertical steel plate of attached stress surface of attached stress surface barricade, the second horizontal steel plate.The size of deep floor is determined according to designing requirement, is occurred welding deformation when avoiding vertical steel plate and horizontal Plate Welding by deep floor; In the middle of the vertical steel plate of described main stress face barricade vertical deep floor is set, vertical ribs thickness of slab 2cm; At the vertical steel plate of attached stress surface diagonal member being set supports.
Described vertical loading structure comprises reaction frame, vertical jack, channel-section steel, pressure-bearing steel plate, steel cushion block, vertical jack dynamometer, the reaction frame bottom is connected with ground, vertical jack is connected with reaction frame top, place the steel cushion block between vertical jack and the reaction frame, vertical jack bottom is connected with vertical jack dynamometer, and vertical jack dynamometer has channel-section steel; Described channel-section steel adopts i iron, and i iron can guarantee that roadbed top load is evenly distributed, and wherein the brigade steel is divided into two-layerly up and down, and lower floor's i iron is spaced apart, the adjacent layout of upper strata i iron, and the channel-section steel below is laid the pressure-bearing steel plate and is linked to each other with banketing.
Described prestressing force loading structure comprises anchor pole, bolt, small size back power apparatus, centre-hole jack, horizontal jack dynamometer; The first anchor perforation that described anchor pole passes on the vertical steel plate of main stress face is fixed in main stress face cantilever barricade both sides by bolt, and the anchor rod prestress loading end is installed horizontal jack dynamometer, and connects centre-hole jack and small size back power apparatus.Laterally the jack dynamometer is controlled the prestressing force pulling force that centre-hole jack applies.
Described stress test device comprises earth pressure test structure, axis force of anchor test structure, jack pressure test structure, and the earth pressure cell that described earth pressure test structure comprises laterally and vertically buries underground is to measure soil pressure; Described axis force of anchor test structure comprises the rock bolt extensometer that is welded on the anchor pole, to measure axis force of anchor; Described jack pressure test structure comprises vertical jack dynamometer, and described vertical jack dynamometer is controlled vertical jack on-load pressure.
Described displacement tester comprises barricade lateral displacement test structure, Roadbed Soil vertical displacement test structure; Described barricade lateral displacement test structure comprises the first epistasis magnet, horizontal level dial gage, vertical reinforcing bar, fixing iron hoop, described vertical reinforcing bar is fixed on main stress face cantilever barricade one side, described vertical reinforcing bar is provided with fixedly iron hoop in the position of measured displacement, and vertical reinforcing bar is the fixed end that contacts with the terminal contact point of horizontal level dial gage; The first epistasis magnet is located at measured displacement place, the first epistasis magnet is connected with horizontal dial gage base, by means of the first epistasis magnet and fixedly iron hoop as fixing cardinal extremity, dial gage is fixed in barricade one side, and make the terminal contact point of horizontal dial gage and fixedly the contact surface of iron hoop is perpendicular, to guarantee horizontal movement, to be the monitoring of lateral displacement; Described Roadbed Soil vertical displacement test structure comprises horizontal reinforcement, horizontal reinforcement is connected with vertical reinforcing bar top, described horizontal reinforcement is inserted in the fixed end that fixedly iron hoop conduct contacts with the upright position dial gage in measured displacement place, in measured displacement place the upright position dial gage is fixed on the pressure-bearing steel plate, and make the terminal contact point of upright position dial gage and fixedly the contact surface of iron hoop is perpendicular, with record under the load action, the Vertical Settlement of the soil body, realize the monitoring of vertical direction displacement.
Attached stress surface barricade is connected with the suspension device in the outside, and described suspension device comprises Horizontal jack, cushion block, to wearing reinforcing bar, described to wear reinforcement installation at attached stress surface barricade bottom and top apart from left and right edges 20cm place, divide two to arrange installation to wearing reinforcing bar; Horizontal jack and cushion block are installed in attached stress surface barricade middle part apart from L/4 place, barricade edge, are arranged symmetrically with.Suspension device guarantees that attached stress surface is without lateral displacement.
The beneficial effects of the utility model:
1. the utility model is easy to processing, and installation, convenient disassembly can reuse, and convenient transportation can reuse and test, and reduces cost, increases work efficiency;
2. at any time adjustment model size, bolt support form, reinforcing parameter on opportunity are applicable to the pull-type barricade stress and displacement test of casting anchor of different working conditions;
3. by adjusting the pull-type barricade model of anchor top load, can simulate the distribution of the board-like cantilever Earth Pressure of Retaining Wall of grappling, change in displacement, axis force of anchor and the stressed Changing Pattern of form anchor under the different filled load grade conditions;
4. by changing the type of filler, can simulate different fillers cast anchor pull-type cantilever barricade stress distribution, change in displacement, axis force of anchor Changing Pattern.
Description of drawings
Fig. 1 retaining wall model equipment top view;
Fig. 2 retaining wall diagonal member supports schematic diagram;
The vertical steel plate elevation of Fig. 3 retaining wall main stress face;
The vertical steel plate elevation of the attached stress surface of Fig. 4 retaining wall;
Fig. 5 retaining wall model longitudinal plan;
Fig. 6 retaining wall model drawing in side sectional elevation;
Fig. 7 retaining wall model suspension device;
Wherein, 1, the vertical steel plate of main stress face, 2, the vertical steel plate of attached stress surface, 3, anchor pole, 4, the first horizontal steel plate, 5, deep floor, 6, vertical deep floor, 7, diagonal member supports, and 8, the first anchor perforation, 9, reaction frame, 10, vertical jack, 11, channel-section steel, 12, the pressure-bearing steel plate, 13, the steel cushion block, 14, vertical jack dynamometer, 15, bolt, 16, the small size back power apparatus, 17, centre-hole jack, 18, horizontal jack dynamometer, 19, earth pressure cell, 20, rock bolt extensometer, 21, the first epistasis magnet, 22, the horizontal level dial gage, 23, vertical reinforcing bar, 24, test flume, 25, Horizontal jack, 26, cushion block, 27, to wearing reinforcing bar, 28, fixing iron hoop, 29, rubble, 31, the second horizontal steel plate, 32, the second anchor perforation, 33, horizontal reinforcement, 34, the upright position dial gage.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described further.
A kind of anchor Rods In Tied Double Retaining Walls model test apparatus in conjunction with Fig. 1 to Fig. 7, comprises test flume 24, main stress face cantilever barricade, attached stress surface cantilever barricade, loading system, test macro; Described main stress face cantilever barricade, attached stress surface cantilever barricade are located in the test flume 24, and described main stress face cantilever barricade comprises the vertical steel plate 1 of the main stress face that is connected and the first horizontal steel plate 4, the vertical steel plate 1 of main stress face and the first horizontal steel plate 4 welding; Described attached stress surface cantilever barricade comprises the vertical steel plate 2 of the attached stress surface that is connected and the second horizontal steel plate 31, the vertical steel plate 2 of main stress face and the second horizontal steel plate 31 welding; The vertical steel plate 1 of described main stress face is provided with the first anchor perforation 8, the first anchor perforation 8 positions are carried out the ratio reduced scale according to Practical Project and are determined, when being provided with the second anchor perforation 32, the second anchor perforations 32 as supporting, wears drawing reinforcing bar the vertical steel plate 2 of described attached stress surface; Described loading system comprises vertical loading structure, prestressing force loading structure, described vertical loading structure bottom is connected with ground, top is connected, and gives to banket and apply pressure at right angle with banketing, and described prestressing force loading structure is connected with main stress face cantilever barricade both sides, also inwardly exerts pressure; Described test macro comprises stress test device, the displacement tester that is connected with measurand.
Described test flume 24 is built the rectangle hole groove that forms for steel concrete, and test flume 24 adopts rubble 29 to do wall base plinth, and main stress face cantilever barricade, attached stress surface cantilever barricade are connected with wall base plinth respectively.Test flume 24 sizes can be adjusted according to design can place model as standard, and crushed rock base course thickness is no less than 40cm.
Described main stress face cantilever barricade, attached stress surface cantilever barricade material are the Q235 steel plate.Wherein the vertical steel plate 1 of main stress face cantilever barricade and the first horizontal steel plate 4 thickness, width, length are determined according to similar proportion; The height of attached stress surface cantilever barricade is identical with main stress face cantilever barricade, and its length is as the criterion can guarantee that barricade is stable.
Between the vertical steel plate 1 of main stress face and the first horizontal steel plate 4 of described main stress face cantilever barricade, and be provided with deep floor 5 between the vertical steel plate of attached stress surface of attached stress surface barricade, the second horizontal steel plate 31.The size of deep floor 5 is determined according to designing requirement, is occurred welding deformation when avoiding vertical steel plate and horizontal Plate Welding by deep floor 5; In the middle of the vertical steel plate 1 of described main stress face barricade vertical deep floor 6 is set, vertical deep floor 6 thick 2cm; At the vertical steel plate 2 of attached stress surface diagonal member is set and supports 7.
As shown in Figure 3, described vertical loading structure comprises reaction frame 9, vertical jack 10, channel-section steel 11, pressure-bearing steel plate 12, steel cushion block 13, vertical jack dynamometer 14, reaction frame 9 bottoms are connected with ground, vertical jack 10 is connected with reaction frame 9 tops, place steel cushion block 13 between vertical jack 10 and the reaction frame 9, vertical jack 10 bottoms are connected with vertical jack dynamometer 14, and vertical jack dynamometer 14 has channel-section steel 11; Described channel-section steel 11 adopts i iron, and i iron can guarantee that roadbed top load is evenly distributed, and wherein the brigade steel is divided into two-layerly up and down, and lower floor's i iron is spaced apart, the adjacent layout of upper strata i iron, and channel-section steel 11 belows are laid pressure-bearing steel plate 12 and are linked to each other with banketing.
Described prestressing force loading structure comprises anchor pole 3, bolt 15, small size back power apparatus 16, centre-hole jack 17, horizontal jack dynamometer 18; The first anchor perforation 8 that described anchor pole 3 passes on the vertical steel plate 1 of main stress face is fixed in main stress face cantilever barricade both sides by bolt 15, the anchor rod prestress loading end is installed horizontal jack dynamometer 18, and connects centre-hole jack 17 and small size back power apparatus 16.Laterally jack dynamometer 18 is controlled the prestressing force pulling force that centre-hole jacks apply.
Described stress test device comprises earth pressure test structure, axis force of anchor test structure, jack pressure test structure, and the earth pressure cell 19 that described earth pressure test structure comprises laterally and vertically buries underground is to measure soil pressure; Described axis force of anchor test structure comprises the rock bolt extensometer 20 that is welded on the anchor pole, to measure axis force of anchor; Described jack pressure test structure comprises vertical jack dynamometer 14, the vertical jack on-load pressure of described vertical jack dynamometer 14 controls.
Described displacement tester comprises barricade lateral displacement test structure, Roadbed Soil vertical displacement test structure; Described barricade lateral displacement test structure comprises the first epistasis magnet 21, horizontal level dial gage 22, vertical reinforcing bar 23, fixing iron hoop 28, described vertical reinforcing bar 23 is fixed on main stress face cantilever barricade one side, described vertical reinforcing bar 23 is provided with fixedly iron hoop 28 in the position of measured displacement, vertical reinforcing bar 23 is the fixed end that contacts with horizontal level dial gage 22 terminal contact points; The first epistasis magnet 21 is located at measured displacement place, the first epistasis magnet 21 is connected with horizontal dial gage 22 bases, by means of the first epistasis magnet 21 and fixedly iron hoop 28 as fixing cardinal extremity, dial gage is fixed in barricade one side, and make the terminal contact point of horizontal dial gage and fixedly the contact surface of iron hoop 28 is perpendicular, to guarantee horizontal movement, to be the monitoring of lateral displacement; Described Roadbed Soil vertical displacement test structure comprises horizontal reinforcement 33, horizontal reinforcement 33 is connected with vertical reinforcing bar 23 tops, described horizontal reinforcement 33 is inserted in the fixed end that fixedly iron hoop 28 conducts contact with upright position dial gage 34 in measured displacement place, in measured displacement place upright position dial gage 34 is fixed on the pressure-bearing steel plate 12, and make the terminal contact point of upright position dial gage 34 and fixedly the contact surface of iron hoop 28 is perpendicular, with record under the load action, the Vertical Settlement of the soil body, realize the monitoring of vertical direction displacement.
Attached stress surface barricade is connected with the suspension device in the outside, described suspension device comprises Horizontal jack 25, cushion block 26, to wearing reinforcing bar 27, describedly be installed in attached stress surface barricade bottom and top apart from left and right edges 20cm place to wearing reinforcing bar 27, arranged installation in 27 minutes two to wearing reinforcing bar; Horizontal jack 25 and cushion block 26 are installed in attached stress surface barricade middle part apart from L/4 place, barricade edge, are arranged symmetrically with.Suspension device guarantees that attached stress surface is without lateral displacement.
At first test flume 24 is carried out base treatment during use; Adopt rubble to do wall base plinth, adopt the spirit level testing flatness.Adopt row to hang or crane carries out the lifting of steel plate retaining wall and reaction frame, in place after, main stress face cantilever barricade and attached stress surface cantilever barricade are fixed with bolt, form fixed frame, after apparatus installation is in place, lay down again bolt.Roadbed Soil and compacting; Backfill is carried out compacting according to designing requirement.Earth pressure cell is installed, and earth pressure cell is buried underground and is adopted anti-digging mode to install, and namely the depth of fill is put into pressure cell and backfill compacting above anti-excavation the behind the 20cm of earth pressure cell position.The skyhook dynamometer; Rock bolt extensometer is installed and is adopted anti-digging mode to install, and namely the depth of fill is returned excavation after surpassing installation site 30cm, imbeds rock bolt extensometer.According to the contact relation between screw-thread steel and soil layer, determine the lapping of screw-thread steel.Charger is installed; After the fill compaction leveling, bearing plate and channel-section steel, dynamometer, cushion block, jack etc. are installed at the roadbed top, in order to guarantee that roadbed top load is evenly distributed, need and to fix two-layer i iron above the bearing plate, lower floor's i iron is spaced apart, and i iron adjacent layout in upper strata is after the i iron installation, place dynamometer, jack, the jack top is placed a steel cushion block and is contacted with reaction frame.Suspension device is installed, in order to guarantee attached stress surface without lateral displacement, is needed suspension device is installed, comprise Horizontal jack, cushion block, to wearing reinforcing bar etc., wherein, to wear reinforcement installation at attached stress surface barricade bottom and top apart from edge; Jack and cushion block are installed in attached stress surface barricade middle part apart from barricade edge, are arranged symmetrically with.Settle the displacement monitoring instrument, the 1. monitoring of lateral displacement is fixed a reinforcing bar at the vertical direction of barricade one side, and is inserted in the fixed end that fixedly iron hoop conduct contacts with dial gage in the position of displacement.In measured displacement place, as fixing cardinal extremity, dial gage is fixed in barricade one side by means of epistasis magnet and iron hoop, and makes the terminal contact point of dial gage and fixedly the contact surface of iron hoop is perpendicular, to guarantee horizontal movement, to be the monitoring of lateral displacement; 2. the monitoring of vertical displacement has been installed the monitoring that dial gage is done vertical displacement at the carrying steel plate.It is similar to the installation of lateral displacement monitoring form that principle is installed, and fixes in the horizontal direction a reinforcing bar, and be inserted in the fixed end that fixedly iron hoop conduct contacts with dial gage in the position of displacement.In measured displacement place, dial gage is fixed on the carrying steel plate, and makes the terminal contact point of dial gage perpendicular with the contact surface of fixing iron hoop, with record under the load action, the Vertical Settlement of the soil body, the monitoring of realization vertical direction displacement.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (9)
1. an anchor Rods In Tied Double Retaining Walls model test apparatus is characterized in that, comprises test flume, main stress face cantilever barricade, attached stress surface cantilever barricade, loading system, test macro; Described main stress face cantilever barricade, attached stress surface cantilever barricade are located in the test flume, and described main stress face cantilever barricade comprises the vertical steel plate of main stress face and the first horizontal steel plate that is connected, the vertical steel plate of main stress face and the first horizontal Plate Welding; Described attached stress surface cantilever barricade comprises the vertical steel plate of attached stress surface and the second horizontal steel plate that is connected, the vertical steel plate of main stress face and the second horizontal Plate Welding; The vertical steel plate of described main stress face is provided with the first anchor perforation, and the vertical steel plate of described attached stress surface is provided with the second anchor perforation, wears drawing reinforcing bar when the second anchor perforation is used as supporting; Described loading system comprises vertical loading structure, prestressing force loading structure, described vertical loading structure bottom is connected with ground, top is connected, and gives to banket and apply pressure at right angle with banketing, and described prestressing force loading structure is connected with main stress face cantilever barricade both sides, also inwardly exerts pressure; Described test macro comprises stress test device, the displacement tester that is connected with measurand.
2. anchor Rods In Tied Double Retaining Walls model test apparatus as claimed in claim 1, it is characterized in that, described test flume is that steel concrete is built the rectangle hole groove that forms, and test flume adopts rubble to do wall base plinth, and main stress face cantilever barricade, attached stress surface cantilever barricade are connected with wall base plinth respectively.
3. anchor Rods In Tied Double Retaining Walls model test apparatus as claimed in claim 1 is characterized in that, described main stress face cantilever barricade, attached stress surface cantilever barricade material are the Q235 steel plate.
4. anchor Rods In Tied Double Retaining Walls model test apparatus as claimed in claim 1, it is characterized in that, between the vertical steel plate of main stress face and the first horizontal steel plate of described main stress face cantilever barricade, and be provided with deep floor between the vertical steel plate of attached stress surface of attached stress surface barricade, the second horizontal steel plate; In the middle of the vertical steel plate of described main stress face barricade vertical deep floor is set; At the vertical steel plate of attached stress surface diagonal member being set supports.
5. anchor Rods In Tied Double Retaining Walls model test apparatus as claimed in claim 1, it is characterized in that, described vertical loading structure comprises reaction frame, vertical jack, channel-section steel, pressure-bearing steel plate, steel cushion block, vertical jack dynamometer, the reaction frame bottom is connected with ground, vertical jack is connected with reaction frame top, place the steel cushion block between vertical jack and the reaction frame, vertical jack bottom is connected with vertical jack dynamometer, vertical jack dynamometer has channel-section steel, and the channel-section steel below is laid the pressure-bearing steel plate and linked to each other with banketing.
6. anchor Rods In Tied Double Retaining Walls model test apparatus as claimed in claim 1 is characterized in that, described prestressing force loading structure comprises anchor pole, bolt, small size back power apparatus, centre-hole jack, horizontal jack dynamometer; The first anchor perforation that described anchor pole passes on the vertical steel plate of main stress face is fixed in main stress face cantilever barricade both sides by bolt, and the anchor rod prestress loading end is installed horizontal jack dynamometer, and connects centre-hole jack and small size back power apparatus.
7. anchor Rods In Tied Double Retaining Walls model test apparatus as claimed in claim 1, it is characterized in that, described stress test device comprises earth pressure test structure, axis force of anchor test structure, jack pressure test structure, described earth pressure test structure comprises laterally and the earth pressure cell of vertically burying underground, to measure soil pressure; Described axis force of anchor test structure comprises the rock bolt extensometer that is welded on the anchor pole, to measure axis force of anchor; Described jack pressure test structure comprises vertical jack dynamometer, and described vertical jack dynamometer is controlled vertical jack on-load pressure.
8. anchor Rods In Tied Double Retaining Walls model test apparatus as claimed in claim 1 is characterized in that, described displacement tester comprises barricade lateral displacement test structure, Roadbed Soil vertical displacement test structure; Described barricade lateral displacement test structure comprises the first epistasis magnet, horizontal level dial gage, vertical reinforcing bar, fixing iron hoop, described vertical reinforcing bar is fixed on main stress face cantilever barricade one side, described vertical reinforcing bar is provided with fixedly iron hoop in the position of measured displacement, and vertical reinforcing bar is the fixed end that contacts with the terminal contact point of horizontal level dial gage; The first epistasis magnet is located at measured displacement place, the first epistasis magnet is connected with horizontal dial gage base, by means of the first epistasis magnet and fixedly iron hoop as fixing cardinal extremity, dial gage is fixed in barricade one side, and make the terminal contact point of horizontal dial gage and fixedly the contact surface of iron hoop is perpendicular, to guarantee horizontal movement, to be the monitoring of lateral displacement; Described Roadbed Soil vertical displacement test structure comprises horizontal reinforcement, horizontal reinforcement is connected with vertical reinforcing bar top, described horizontal reinforcement is inserted in the fixed end that fixedly iron hoop conduct contacts with the upright position dial gage in measured displacement place, in measured displacement place the upright position dial gage is fixed on the pressure-bearing steel plate, and make the terminal contact point of upright position dial gage and fixedly the contact surface of iron hoop is perpendicular, with record under the load action, the Vertical Settlement of the soil body, realize the monitoring of vertical direction displacement.
9. anchor Rods In Tied Double Retaining Walls model test apparatus as claimed in claim 1, it is characterized in that, attached stress surface barricade is connected with the suspension device in the outside, described suspension device comprises Horizontal jack, cushion block, to wearing reinforcing bar, described to wear reinforcement installation at attached stress surface barricade bottom and top near the left and right edges place, Horizontal jack and cushion block are installed in the middle part of the attached stress surface barricade apart from barricade edge, are arranged symmetrically with.
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| CN 201320254176 CN203247614U (en) | 2013-05-10 | 2013-05-10 | Anchor-pulling type retaining wall model test device |
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| CN 201320254176 CN203247614U (en) | 2013-05-10 | 2013-05-10 | Anchor-pulling type retaining wall model test device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233486A (en) * | 2013-05-10 | 2013-08-07 | 山东大学 | Testing device and testing method of anchor-tension type retaining wall model |
| CN103866803A (en) * | 2014-04-04 | 2014-06-18 | 云南省交通规划设计研究院 | Roadbed slope retaining structural object large-scale model test loading system |
| CN104196061A (en) * | 2014-08-13 | 2014-12-10 | 东南大学 | Bridge foundation lateral loading testing device and method |
| CN103628501B (en) * | 2013-11-27 | 2015-09-30 | 西南交通大学 | A kind of method determining reinforced earth bulkhead reinforcing plan based on sand tank model experiment |
| CN105547847A (en) * | 2015-12-29 | 2016-05-04 | 中国科学院武汉岩土力学研究所 | Device for detecting pressure of translating and rotating rigid barricade soil |
| CN110344453A (en) * | 2019-07-30 | 2019-10-18 | 山东建筑大学 | Pressure type anchor rod bearer properties model test apparatus and method under horizontal loads |
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2013
- 2013-05-10 CN CN 201320254176 patent/CN203247614U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233486A (en) * | 2013-05-10 | 2013-08-07 | 山东大学 | Testing device and testing method of anchor-tension type retaining wall model |
| CN103628501B (en) * | 2013-11-27 | 2015-09-30 | 西南交通大学 | A kind of method determining reinforced earth bulkhead reinforcing plan based on sand tank model experiment |
| CN103866803A (en) * | 2014-04-04 | 2014-06-18 | 云南省交通规划设计研究院 | Roadbed slope retaining structural object large-scale model test loading system |
| CN104196061A (en) * | 2014-08-13 | 2014-12-10 | 东南大学 | Bridge foundation lateral loading testing device and method |
| CN104196061B (en) * | 2014-08-13 | 2015-12-09 | 东南大学 | Bridge foundation horizontal install experimental rig and test method |
| CN105547847A (en) * | 2015-12-29 | 2016-05-04 | 中国科学院武汉岩土力学研究所 | Device for detecting pressure of translating and rotating rigid barricade soil |
| CN105547847B (en) * | 2015-12-29 | 2018-04-10 | 中国科学院武汉岩土力学研究所 | Translation and the rigid retaining walls soil pressure calculation device rotated can be achieved |
| CN110344453A (en) * | 2019-07-30 | 2019-10-18 | 山东建筑大学 | Pressure type anchor rod bearer properties model test apparatus and method under horizontal loads |
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