CN104266920B - Loose material anchoring effect physical model test device and method under a kind of dynamic action - Google Patents

Loose material anchoring effect physical model test device and method under a kind of dynamic action Download PDF

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CN104266920B
CN104266920B CN201410543793.1A CN201410543793A CN104266920B CN 104266920 B CN104266920 B CN 104266920B CN 201410543793 A CN201410543793 A CN 201410543793A CN 104266920 B CN104266920 B CN 104266920B
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anchorage
test
loose material
design
anchor
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CN104266920A (en
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周伟
徐琨
常晓林
杨利福
胡超
马刚
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Wuhan University WHU
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Wuhan University WHU
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Abstract

Loose material anchoring effect physical model test device and method under a kind of dynamic action, it is simple to carry out the laboratory test of association area.Its device includes that assembly is implemented in frame assembly, power charging assembly and anchoring.Have an advantage in that: the invention provides one and carry out the anchor rod anchored device carrying out anchoring effect research of loose material use under dynamic action, filled up the blank of this field assay device;The cuboid frame structure of the present invention is simple, easily operated, and cuboid framework both sides are that transparent material scutum is easy in test viewing test phenomenon;The present invention may advantageously facilitate carrying out of the laboratory test that under dynamic action, loose material anchoring effect is studied, thus provides certain theoretical foundation to high rock-fill dams anchor pole antidetonation, promotes the further understanding to high rock-fill dams anchor pole antidetonation effect, the formulation of propelling national regulation.

Description

Loose material anchoring effect physical model test device and method under a kind of dynamic action
Technical field
The present invention relates to geological disaster test model technical field, loose material anchoring effect physical model test device and method under a kind of dynamic action.
Background technology
In recent years the most built at Southwestern China Earthquake Fault Zone, building or planning to build large quantities of high earth and rockfill dam, many of which Rockfill Dam has up to arrived 200-300m level, earthquake intensity is many spend VIII-Ⅸ between (such as plan to build such as U.S.A power station rock-fill dams maximum height of dam 315m, design seismic acceleration 0.32g).Due to height of dam, storehouse greatly, and the loose material that dam material rockfill is multiple material composition, once meet with superpower shake and have an accident, not only result in heavy economic losses, and the secondary disaster being formed downstream will result in people life property loss difficult to the appraisal.
After France in 1972 uses reinforcement technique first during Rockfill Dam, many rock-fill dams also have been used up adding anchor technology to improve rock-fill dams side slope stability against earthquake.China " rolling earth-rock dam design specification " (SL274-2001) specifies: " design seismic intensity is that the above laxation of upstream and downstream dam slope near the regional dam crest of 9 degree is steep or use reinforcement enrockment surface bar-mat reinforcement or bulk clitter the reinforcement measure such as to build." according to rockfill dam project design experiences, taking reinforcement measure in the range of the height of dam of dam body top 1/4 is cost-effective method, can effectively prevent the loosening or landing of dam crest rockfill in seismic process, improve the stability in the large of dam body.
Although adding anchor measure is relatively inexpensive effective method, it has also become one of main method in high earth and rockfill dam anti-seismic reinforcement design, but can illustrate that the monitoring materials of high rock-fill dams anchor pole seismic hardening effect is little at present.
In terms of laboratory test research, Chinese scholars seldom relates to the experimental study of loose material anchoring effect, the most seldom relates to using anchor pole to carry out the experimental study of the loose material anchoring effect anchored under dynamic action.
Summary of the invention
It is an object of the invention to for loose material anchoring effect physical model test device and method under a kind of dynamic action of above-mentioned present situation design, it is simple to carry out the laboratory test of association area.
Loose material anchoring effect physical model test device under a kind of dynamic action, implements assembly including frame assembly, power charging assembly and anchoring;
Described frame assembly is cuboid framework 33, is provided with chassis base 5 bottom cuboid framework 33, and cuboid framework 33 arranged on left and right sides is horizontal day glyph framework double-decker, is inserted with transparent material scutum 7 between double-decker;Being provided with the slot for inserting anchor and position plate 8 on rear side of cuboid framework 33, be additionally provided with parallel longitudinal guide rail 12 outside slot, support girder 11 two ends and be separately positioned in guide rail 12, supporting girder 11 can slide up and down along guide rail 12;Having multiple screw 4 on described chassis base 5, described screw 4 is through hole, for being connected with power charging assembly by bolt 34;
Described power charging assembly is vibration table 1, is arranged at below frame assembly, power required during for providing test;
Described anchoring is implemented assembly and is included anchor and position plate 8, anchorage location bar 24 and anchorage 25;Having multiple circular hole 10 on described anchor and position plate 8, the anchored end of anchorage location bar 24 is provided with slotted eye 28, and described anchored end is shelved on support girder 11 through circular hole 10 level, for being connected with anchorage 25 afterbody.
The described slot for inserting anchor and position plate 8 is made up of column 3 and the guided plate 17 of left and right on rear side of cuboid framework 33, guided plate 17 and column 3 place plane parallel.
Described parallel longitudinal guide rail 12 is made up of four posts 19, and described four posts 19 are set in parallel in the left and right sides on rear side of cuboid framework 33 two-by-two.
The left and right two ends of described support girder 11 are provided with bolt 21 and pad 22.
Described anchorage location bar 24 is made up of location club shaft 27 and handle 26;Club shaft 27 one end, described location has slotted eye 28, and location club shaft 27 other end is connected with handle 26.
Described anchorage 25 is made up of anchorage afterbody 29, the anchorage body of rod 30, pad 31 and nut 32;One end of the anchorage body of rod 30 is anchorage afterbody 29, the transverse shape of anchorage afterbody 29 and the form fit positioning 27 grooved bore 28 of club shaft;The other end of the anchorage body of rod 30 is provided with external screw thread, and pad 31 is connected with the anchorage body of rod 30 by external screw thread with nut 32;Described pad 31 has certain size, can meet the requirement of test anchoring;Described nut 32 screws at the trial, for anchorage 25 Shi Hanzhang.
Under a kind of dynamic action utilizing said apparatus, loose material anchoring effect test method, comprises the steps:
1, for Research Requirements, corresponding loose material anchorage model is designed;The design considerations principle of similitude of model, and take the region of axis of dam downstream or upstream for object of study and carry out reduced scale simulation, model silhouette is the most trapezoidal;According to the anchor spacing of correlation engineering, including vertically to spacing, level to spacing, carry out reduced scale design according to the principle of similitude or test anchor spacing by research purpose designed, designed;Build a dam the original grading curve of stockpile according to correlation engineering, original grading curve is carried out corresponding reduced scale to meet laboratory test and to the requirement of test loose material size or test grading curve by research purpose designed, designed;
2, model is made;Specifically include following sub-step:
(2.1) cuboid framework is fixed on a vibration table, select corresponding anchor and position plate according to test requirements document, transparent material scutum draws model silhouette line and the anchor pole position schematic lines of design;
(2.2) by uniform by the loose material mix of test grading curve screening, it is laid in cuboid framework;During filling loose material, use wooden mallet or rubber hammering reality loose material to design porosity or design density, and carry out deburring and make model side slope fit with model silhouette line;
(2.3) in time filling loose material and apply anchorage design height to ground floor, support girder is moved to this design height, from cuboid frame rear portion, insert anchorage location bar by circular hole on anchor and position plate and anchorage is positioned bar level be shelved on support girder, and making the design attitude that bar slotted hole one end, anchorage location is placed in model;Anchorage afterbody is inserted in slotted eye;
(2.4) continuing to fill loose material to second layer design height, the course synchronization arranging anchorage is rapid (2.3);Disposing the pad of ground floor anchorage, nut, tightening nut makes loose material, pad, nut fit tightly, and by the size Shi Hanzhang of EXPERIMENTAL DESIGN, slowly pumps anchorage location bar;
(2.5) the mobile girder that supports is to third layer height, the course synchronization arranging anchorage is rapid (2.3), dispose the pad of second layer anchorage, nut, tightening nut makes loose material, pad, nut fit tightly, by the size Shi Hanzhang of EXPERIMENTAL DESIGN, slowly pump anchorage location bar;So repeatedly until filling to model top, disposing the pad of last layer of anchorage, nut, tightening nut makes loose material, pad, nut fit tightly, and by the size Shi Hanzhang of EXPERIMENTAL DESIGN, slowly pumps anchorage location bar, and all anchorages dispose complete;So far modelling is complete;
3, opening vibration table, check whether correlation test instrument is in normal condition, debugging vibration table and each correlation test instrument are to normal condition, and by the seismic wave of control station input EXPERIMENTAL DESIGN, Vibration on Start-up platform starts test;
4, observe, record the state of model after process of the test neutralization test, gather test data, such as model Destroy type, horizontal displacement, vertical displacement, anchorage strain etc. by related equipment;
5, arrange, analyze test data.
During modelling, laying acceleration transducer in foil gauge, model can be laid on the anchorage body of rod.
Under a kind of dynamic action of the present invention, the advantage of loose material anchoring effect physical model test device and method is:
(1) the invention provides one and carry out the anchor rod anchored device carrying out anchoring effect research of loose material use under dynamic action, filled up the blank of this field assay device;
(2) the cuboid frame structure of the present invention is simple, easily operated, and cuboid framework both sides are that transparent material scutum is easy in test viewing test phenomenon;
(3) under the present invention may advantageously facilitate dynamic action, the laboratory test of loose material anchoring effect research carries out, thus provide certain theoretical foundation to high rock-fill dams anchor pole antidetonation, promote the further understanding to high rock-fill dams anchor pole antidetonation effect, advance the formulation of national regulation.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention.
Fig. 2 is partial structurtes enlarged drawing in Fig. 1 device.
Fig. 3 is partial structurtes enlarged drawing in Fig. 1 device.
Fig. 4 is partial structurtes enlarged drawing in Fig. 1 device.
Fig. 5 is partial structurtes enlarged drawing in Fig. 1 device.
Fig. 6 is partial structurtes enlarged drawing in Fig. 1 device.
Fig. 7 is the side view of cuboid framework in Fig. 1 device.
Fig. 8 is A-A cross-section cutaway view in Fig. 7.
Fig. 9 is partial structurtes enlarged drawing in Fig. 7.
Figure 10 is the top view of cuboid framework in Fig. 1 device.
Figure 11 is the partial structurtes enlarged drawing in Figure 10.
Figure 12 is the partial structurtes enlarged drawing in Figure 10.
Figure 13 is the rearview of cuboid framework in Fig. 1 device.
Figure 14 is the structural representation supporting girder in Fig. 1 device.
Figure 15 is the front view of cuboid framework in Fig. 1 device.
Figure 16 is anchorage location bar and the structural representation of anchorage.
Figure 17 is the structural representation of anchorage location bar.
Figure 18 is the structural representation of anchorage.
Figure 19 is the test operation process section structure schematic diagram of apparatus of the present invention.
In figure, 1 vibration table, 2 underbeams, 3 columns, 4 screws, 5 chassis bases, 6 front aprons, 7 transparent material scutums, 8 anchor and position plates, 9 back rest, 10 circular holes, 11 support girder, 12 guide rails, 13 bottom girders, 14 center pillars, 15 curb girders, 16 upper beams, 17 guided plates, 18 mainboards, 19 posts, 20 beam body, 21 bolts, 22 cushion blocks, 24 anchorage location bars, 25 anchorages, 26 handles, 27 location club shafts, 28 slotted eyes, 29 anchorage afterbodys, the 30 anchorage bodies of rod, 31 pads, 32 nuts, 33 cuboid frameworks, 34 bolts, 35 test materials, 36 EXPERIMENTAL DESIGN outer contours, 37 anchorage location lines.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is further described: as shown in figures 1-19, loose material anchoring effect physical model test device under a kind of dynamic action, implements assembly including frame assembly, power charging assembly and anchoring;
Frame assembly is by the chassis base 5 of bottom, the upper beam 16 of front portion, front apron 6, the curb girder 15 of both sides, underbeam 2, center pillar 14, transparent material scutum 7, the column 3 of the anchor and position plate 8 at rear portion, the back rest 9, bottom girder 13, guide rail 12, support girder 11 and corner is interconnected to constitute.Have through screw 4 on the chassis base 5 of the present embodiment, depending on the layout of screw 4 is according to the vibration table 1 selected, be firmly connected with vibration table by matched 34 chassis bases of bolt before carrying out test.The anterior preferred shaped steel of upper beam 16 etc. has high intensity, unbending material is made, and ensures, by being connected with left and right sides column 3, the stability that cuboid framework is overall.Front apron 6 is placed on chassis base 5, and the left and right sides is connected with column 3, it is ensured that in process of the test, loose material is not scattering into outside cuboid framework 33.The curb girder 15 of both sides, underbeam 2, center pillar 14 are all made up of inside and outside two parts of parallel interval, curb girder 15, underbeam 2 are connected with two root posts 3 before and after homonymy, center pillar 14 is connected with curb girder 15, underbeam 2, transparent material scutum 7 is then fixed between the curb girder 15 of homonymy, underbeam 2, center pillar 14, thus constitutes the left and right sides of cuboid framework 33.The material that the light transmittances such as the preferred poly (methyl methacrylate) plate of transparent material scutum 7 of the left and right sides are high, intensity is high, in order to viewing test phenomenon.Through circular hole 10 is had on the anchor and position plate 8 at rear portion, passage is provided for anchorage location bar 24 during test, depending on the layout of circular hole 10 is according to testing program, therefore when carrying out the contrast test of different anchoring spacing, need to make the anchor and position plate 8 having different circular hole to arrange.Certainly, it is possible in the case of not affecting test, to anchor and position plate 8 subregion, every district, by the spacing perforate of test requirements document, can carry out the contrast test of the loose material anchoring effect of different anchoring spacing in same single test.Anchor and position plate 8 is fixing with the chute of rear side two column 3 composition by the guided plate 17 on the back rest 9, bottom girder 13.The back rest 9 is spatially arranged symmetrically with bottom girder 13, and structure is identical, is made up of with the guided plate 17 being connected on mainboard 18 mainboard 18;The back rest 9 is connected with rear side two column 3, and bottom girder 13 is connected with rear side two column 3 and chassis base 5.The symmetrical both sides being arranged in cuboid framework 33 of guide rail 12, it is arranged in parallel by two and is made up of the post 19 of certain intervals, the two ends of post 19 are separately fixed on the mainboard 18 of the back rest 9 and bottom girder 13, in addition to the effect playing track, also act as the effect of certain bracing reinforcement framework.The beam body 20 that support girder 11 is had slotted eye by the bolt 21 at two ends, cushion block 22 and two ends is constituted, and beam body 20 is positioned between the guide rail 12 of the left and right sides, and cushion block 22 and bolt 21 are positioned at opposite side;Bolt 21 screws in the slotted eye of beam body 20 end, by bolt 21 be threaded in or out make cushion block 22 fit with guide rail 12 or separate, then can adjust the support girder 11 position on guide rail 12, and then the anchorage location bar 24 that can be pointed to diverse location is played a supporting role.Being positioned at the column 3 of corner, bottom it, the corner with chassis base 5 is connected, and top is connected with upper beam 16, curb girder 15, the back rest 9 respectively, and transverse section is identical, is the different in nature steel being shaped as " F ", can be welded with steel plate combination by angle steel.
Power charging assembly is vibration table 1, and during test, cuboid framework 33 is placed on vibration table 1, and is firmly connected with vibration table 1 by bolt 34, provides simulating seismic motion power at the trial.Vibration table 1 can select the vibration table product under prior art, preferably three dimensional earthquake simulating vibration table according to the demand of test implementer.
Anchoring is implemented assembly and is included anchorage location bar 24 and anchorage 25.Anchorage location bar 24 includes positioning club shaft 27 and handle 26, and anchorage 25 includes anchorage afterbody 29, the anchorage body of rod 30, pad 31 and nut 32.Circular cross section, club shaft 27 cross section, location, body of rod one end has slotted eye 28, and institute's grooved bore 28 cross section is identical with the cross sectional shape of anchorage afterbody 29, for square or hexagon etc.;During anchorage afterbody 29 inserts the slotted eye of anchorage location bar 24 during test, the anchorage body of rod 30 can be made by the way of fixed handle not rotate, simultaneously at the other end tightening nut 32 of anchorage 25, thus Shi Hanzhang.
Under a kind of dynamic action utilizing said apparatus, loose material anchoring effect test method, comprises the steps:
One, the design of loose material anchorage experiment and the making of model
1, for Research Requirements, corresponding loose material anchorage model is designed.The design considerations principle of similitude of model, and take the region of axis of dam downstream or upstream for object of study and carry out reduced scale simulation, model silhouette is the most trapezoidal.According to the anchor spacing of correlation engineering, including vertically to spacing, level to spacing, carry out reduced scale design according to the principle of similitude or test anchor spacing by research purpose designed, designed.Build a dam the original grading curve of stockpile according to correlation engineering, original grading curve is carried out corresponding reduced scale to meet laboratory test and to the requirement of test loose material size or test grading curve by research purpose designed, designed.The anchorage 25 in apparatus of the present invention is used to simulate anchor pole.
2, the making of model.Cuboid framework 33 is fixed on vibration table 1, selects corresponding anchor and position plate 8 according to test requirements document, transparent material scutum 7 draws model silhouette line and the anchor pole position schematic lines of design;By uniform by the loose material mix of test grading curve screening, it is laid in cuboid framework 33.During filling loose material, use wooden mallet or rubber hammering reality loose material to design porosity or design density, and carry out deburring and make model side slope fit with model silhouette line;In time filling to ground floor (being counted by bottom) applying anchorage 25 design height, support girder 11 is moved to corresponding height, from cuboid framework 33 rear portion, insert anchorage location bar 24 by the circular hole 10 on anchor and position plate 8, and make anchorage position the design attitude that bar 24 slotted hole 28 one end is placed in model;Inserting in slotted eye by anchorage afterbody 29, now pad 31, nut 32 be not on the anchorage body of rod 30.Continue to fill loose material to next layer of design height, fill process ibid.Now disposing the pad 31 of ground floor anchorage, nut 32, tightening nut makes loose material, pad 31, nut 32 fit tightly, by the size Shi Hanzhang of EXPERIMENTAL DESIGN.Anchorage Shi Hanzhang all to same layer, to after design load, slowly pump anchorage location bar 24.Mobile girder 11 to the corresponding height that supports afterwards, the above operation of repetition, until filling to model crest level, all anchorages 25 dispose complete.So far modelling is complete.During model above makes, can lay on the anchorage body of rod 30 and foil gauge, model are laid the induction installations such as acceleration transducer, but be not limited to the induction installation such as foil gauge, acceleration transducer.
Two, test loads
3, opening vibration table 1, check whether correlation test instrument is in normal condition, debugging vibration table 1 and each correlation test instrument are to normal condition, and by the seismic wave of control station input EXPERIMENTAL DESIGN, Vibration on Start-up platform starts test.
Three, data acquisition
4, observe, record the state of model after process of the test neutralization test, gather test data, such as model Destroy type, horizontal displacement, vertical displacement, anchorage strain etc. by related equipment.
Four, data process
5, arrange, analyze test data.
Five, off-test
6, vibration table 1 power supply is closed;
7, loose material pack is reclaimed, and is put in appointment position and deposits or abandon;
8, the article used during recovery test, such as anchorage 25, anchorage location bar 24 etc., clean, maintain after be put in appointment position and deposit;
9, remove cuboid framework 33, clear up vibration table 1;
10, clean cuboid framework 33, be put in appointment position after maintenance and deposit;
The core of the present invention is underbeam 2, column 3, chassis base 5, front apron 6, transparent material scutum 7, the back rest 9, supports the device entirety that girder 11, guide rail 12, bottom girder 13, center pillar 14, curb girder 15, upper beam 16 and anchoring enforcement assembly connection combine, fill up loose material under dynamic action and used the blank of the anchor rod anchored assay device carrying out anchoring effect research, in order to carry out relevant research.But its protection domain is not limited to above-described embodiment.Obviously, those skilled in the art can carry out various change and deformation without deviating from scope and spirit of the present invention to the present invention, such as: the girder 11 that supports being positioned on guide rail 12 positions 24 certain supporting roles of bar to anchorage, but it is not limited to this example structure, uses other to provide the mode supported also to be feasible;The curb girder 15 of cuboid framework both sides, center pillar 14, the structure of underbeam 2 have inner side, outside two parts, its objective is to provide a kind of fixed form for transparent material scutum, but are not limited to this example structure, use other to provide fixing mode to be also feasible.If these are changed and deformation belongs in the range of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise a little change and deformation.

Claims (7)

1. loose material anchoring effect physical model test device under a dynamic action, it is characterised in that: bag Include frame assembly, power charging assembly and anchoring and implement assembly;
Described frame assembly is cuboid framework (33), and (5) cuboid framework (33) bottom is provided with chassis base, Cuboid framework (33) arranged on left and right sides is horizontal day glyph framework double-decker, is inserted with between double-decker Transparent material scutum is (7);Cuboid framework (33) rear side is provided with for inserting anchor and position plate slot (8), Being additionally provided with parallel longitudinal guide rail outside slot (12), it is (12) interior that support girder (11) two ends are separately positioned on guide rail, (12) (11) support girder can slide up and down along guide rail;Described chassis base (5) on have multiple screw (4), described spiral shell (4) hole is through hole, for being connected with power charging assembly by bolt (34);
Described power charging assembly be vibration table (1), be arranged at below frame assembly, when being used for providing test Required power;
Described anchoring implement assembly include anchor and position plate (8), anchorage location bar (24) and anchorage (25); Described anchor and position plate (8) on have multiple circular hole (10), anchorage location bar (24) anchored end be provided with slotted eye (28), through circular hole, (10) and level is shelved on support girder and (11) goes up described anchored end, is used for and anchorage (25) Afterbody is connected.
2. assay device as claimed in claim 1, it is characterised in that: described for inserting anchor and position (17) (3) plate slot (8) be made up of with guided plate the column about cuboid framework (33) rear side, and guided plate is (17) With column (3) place plane parallel.
3. assay device as claimed in claim 1, it is characterised in that: described parallel longitudinal guide rail (12) by (19) four posts are constituted, and described four posts are set in parallel in cuboid framework (33) rear side the most two-by-two The left and right sides.
4. assay device as claimed in claim 1, it is characterised in that: a described support girder left side (11), Right two ends are provided with bolt (21) and pad (22).
5. assay device as claimed in claim 1, it is characterised in that: described anchorage location bar (24) by Location club shaft (27) and handle (26) composition;Club shaft (27) one end, described location has slotted eye (28), Location club shaft (27) other end is connected with handle (26).
6. assay device as claimed in claim 1, it is characterised in that: described anchorage (25) is by anchorage tail Portion (29), the anchorage body of rod (30), pad (31) and nut (32) composition;One end of the anchorage body of rod (30) is Anchorage afterbody (29), the transverse shape of anchorage afterbody (29) and location club shaft (27) institute grooved bore (28) Mating shapes;It is logical that the other end of the anchorage body of rod (30) is provided with external screw thread, pad (31) and nut (32) Cross external screw thread to be connected with the anchorage body of rod (30).
7. one kind utilizes loose material anchoring effect under the dynamic action of device described in any one of claim 1-6 Test method, it is characterised in that comprise the steps:
(1), for Research Requirements, design corresponding loose material anchorage model;The design considerations of model is similar former Reason, and take the region of axis of dam downstream or upstream for object of study and carry out reduced scale simulation, model silhouette in Right-angled trapezium;According to the anchor spacing of correlation engineering, including vertical to spacing, level to spacing, foundation The principle of similitude carries out reduced scale design or tests anchor spacing by research purpose designed, designed;According to correlation engineering Build a dam the original grading curve of stockpile, original grading curve is carried out corresponding reduced scale with satisfied indoor examination Test the requirement to test loose material size or test grading curve by research purpose designed, designed;
(2) make model;Specifically include following sub-step:
(2.1) cuboid framework is fixed on a vibration table, select corresponding anchor and position according to test requirements document Plate, draws model silhouette line and the anchor pole position schematic lines of design on transparent material scutum;
(2.2) by uniform by the loose material mix of test grading curve screening, it is laid in cuboid framework; During filling loose material, wooden mallet or rubber hammering reality loose material is used to design porosity or to design density, And carry out deburring and make model side slope and model silhouette line fit;
(2.3) in time filling loose material and apply anchorage design height to ground floor, support girder is moved to this Design height, from cuboid frame rear portion, inserts anchorage location bar also by the circular hole on anchor and position plate Anchorage positions bar level be shelved on support girder, and make bar slotted hole one end, anchorage location be placed in model In design attitude;Anchorage afterbody is inserted in slotted eye;
(2.4) continuing to fill loose material to second layer design height, the course synchronization arranging anchorage is rapid (2.3); Disposing the pad of ground floor anchorage, nut, tightening nut makes loose material, pad, nut fit tightly, By the size Shi Hanzhang of EXPERIMENTAL DESIGN, slowly pump anchorage location bar;
(2.5) the mobile girder that supports is to third layer height, and the course synchronization arranging anchorage is rapid (2.3), disposes The pad of second layer anchorage, nut, tightening nut makes loose material, pad, nut fit tightly, by examination Test the size Shi Hanzhang of design, slowly pump anchorage location bar;So repeatedly until filling to model Crest level, all anchorages dispose complete;So far modelling is complete;
(3) open vibration table, check whether correlation test instrument is in normal condition, debugging vibration table and each Correlation test instrument is to normal condition, by the seismic wave of control station input EXPERIMENTAL DESIGN, Vibration on Start-up platform Start test;
(4) observe, record the state of model after process of the test neutralization test, gathered by related equipment Test data, includes but not limited to model Destroy type, horizontal displacement, vertical displacement, anchorage strain;
(5) arrange, analyze test data.
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CN112051142A (en) * 2020-08-03 2020-12-08 武汉大学 Universal phase field method for simulating different failure modes of brittle material

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