CN207600869U - Raw-soil wall original position diagonal shear pilot system - Google Patents
Raw-soil wall original position diagonal shear pilot system Download PDFInfo
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- CN207600869U CN207600869U CN201721431064.2U CN201721431064U CN207600869U CN 207600869 U CN207600869 U CN 207600869U CN 201721431064 U CN201721431064 U CN 201721431064U CN 207600869 U CN207600869 U CN 207600869U
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Abstract
The utility model discloses a kind of raw-soil wall original position diagonal shear pilot systems, diagonal shear pilot system in situ acts on raw-soil wall, including fixed cushion block, movable cushion block, and diagonal shear experimental rig, fixed cushion block and movable cushion block pad are set on the bottom end of raw-soil wall, and fixed cushion block is fixed on base surface.When in use, to fix cushion block and movable cushion block raw-soil wall is made as end template, movable cushion block is pulled out after air-drying, the formation activity vacancy between movable cushion block and base surface, then diagonal shear experimental rig is installed on raw-soil wall, applying pressure by the jack pair raw-soil wall of diagonal shear experimental rig is test.Using the diagonal shear pilot system in situ of the utility model, raw-soil wall can carry out diagonal shear experiment in the case of undisturbed, and diagonal shear experimental rig is easy to process, mobile flexible and installation is simple.Since raw-soil wall is undisturbed during experiment, in this way, result of the test is more accurate.
Description
Technical field
The utility model is related to soil test field in a kind of field of civil engineering, more particularly to a kind of raw-soil wall original position
Diagonal shear pilot system.
Background technology
In the numerous raw-soil historic ruins of Chinese wide geographic area remnants, such as Xinjiang Jiao He sites, Ningxia Western Xia Imperial Mausoleum, sweet
Prolong ruins and Earth Building in Fujian etc. in respectful residence.Earth building greatest weakness is exactly that material weatherability is poor.Earth building of the remote past, such as
The rammed earth ancient building of the Northwest, distinctive day and night temperature is big, under arid short of rain and husky windy big environment, experience disease hair
It educates, material property gradually declines damage, and the prosperous ancient building of the raw-soil for the moment is caused to be transported with the continuity of time, the transition of weather, geology
Dynamic and the mankind activities, the visual field for people of gradually having faded out.Raw-soil ancient building is the important component of human history civilization, tool
There are higher cultureal value, historical value and scientific value, ought to preferably be protected.
Geological process can cause raw-soil ancient architecture wall to destroy cracking, and raw-soil ancient architecture wall shock resistance and crack are repaiied
Effect after multiple, needs the method tested to examine.In view of in Practical Project, the wall under geological process is often diagonally
Direction is destroyed, so American National Standard ASTM E519-02 are using diagonal loading shearing test method test masonry
Anti-shear ability.Using this method closer to the actual forced status of wall, it can more reflect its practical damage -form, measure
Shearing strength is also more accurate.Since proposed standard sample dimensions are larger (maximum cross-section width is 1200mm, is highly 1200mm),
This method is generally carried out on large-scale pressure testing machine indoors, and the installation of masonry needs lifting equipment lifting operation.With brick
Barnacle body is compared, and raw-soil wall especially original state raw-soil wall intensity is low, fragile, transport and lifting operation, to the perturbation of test specimen
It is larger, cause result of the test inaccurate, result even in the destruction of test specimen.It can be seen that above-mentioned test method is to raw-soil wall
It tests and does not apply to.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of experiment accurately, to the smaller life of the perturbation of test specimen
Cob wall original position diagonal shear pilot system.
In order to achieve the above objectives, the technical solution of the utility model is：
A kind of raw-soil wall original position diagonal shear pilot system is installed and acts on raw-soil wall, including fixed cushion block, activity mat
Block and diagonal shear experimental rig, the diagonal shear experimental rig include reaction plate, pull rod, jack, upper bracket, lower branch
Seat and displacement meter, the reaction plate, the upper bracket and the undersetting are sheathed on the pull rod, and the reaction plate is located at
The top of the pull rod, the undersetting are located at the bottom of the pull rod, the upper bracket be located at the reaction plate with it is described under
Between bearing, a pair of of angular direction installation settings of the pull rod along the raw-soil wall, the both ends of the jack are socketed on respectively
Raw-soil wall limiting section, the pull rod are formed on the reaction plate and the upper bracket, between the upper bracket and the undersetting
Corresponding to being partly installed on the raw-soil wall for raw-soil wall limiting section, the raw-soil wall is limited in the upper bracket and institute
It states between undersetting；
Two diagonal positions of the upper bracket and the undersetting respectively with the raw-soil wall are in contact, and the displacement meter is consolidated
Due on the side of the raw-soil wall, the fixed cushion block and the movable cushion block tile pad set on the bottom of the raw-soil wall
End, the fixed cushion block are fixed on base surface.
The pull rod includes that plural root architecture is identical and the single pole of parallel setting, the reaction plate close to its week edge
Position offers a plurality of length directions corresponding to the pull rod and the first circular through hole to match with the single pole, described
Upper bracket close to the position on its week edge offer a plurality of length directions corresponding to the pull rod and with the single pole phase
The second circular through hole matched, the undersetting offer a plurality of length corresponding to the pull rod close to the position on its week edge
Direction and the third circular through hole to match with the single pole.
The single pole has first section and endpiece, and the first section and the endpiece are and the matched thread segment of nut, the spiral shell
Mother stock is not locked on the first section and the endpiece.
The center of the lower end of the reaction plate offers the first circular groove, in the upper end of the upper bracket
Heart position offers the second circular groove, and the upper end of the jack is convexly equipped with match with first circular groove first
Pillar, the lower end of the jack are convexly equipped with the second pillar to match with second circular groove, first pillar with
First circular groove socket-connects, and second pillar socket-connects with second circular groove.
The raw-soil wall be cuboid, have one group of corresponding front and back, between the front and the back side away from
L-shaped right-angle wall corner is respectively provided with from the seamed edge for thickness, the thickness direction of positive four vertex correspondences in the raw-soil wall,
The lower end of the upper bracket offers the L-shaped right angle groove along the thickness direction setting of the raw-soil wall, the L-shaped right angle groove
With the vertically disposed cell wall of two-phase, the upper end of the undersetting offers another L-shaped right angle groove, the L of the undersetting
Shape right angle groove is identical with the L-shaped right angle groove structure of the upper bracket and is arranged oppositely, and the two on the raw-soil wall with being located at
It is same it is diagonally opposed on two L-shaped right-angle wall corners accordingly match.
The front of the raw-soil wall is square, the width of the cell wall of the L-shaped right angle groove for the raw-soil wall just
The 1/8 of the face length of side.
The displacement meter includes being individually fixed in the first displacement meter on the side of the raw-soil wall, second displacement meter, the
Triple motion meter and the 4th displacement meter, first displacement meter and the second displacement meter are located at the positive side of the raw-soil wall,
The third displacement meter and the 4th displacement meter are located at the reverse side of the raw-soil wall, first displacement meter and described
Triple motion meter respectively along the raw-soil wall it is same it is diagonally opposed be oppositely arranged, the second displacement meter and the 4th displacement meter
Respectively along the raw-soil wall it is another it is diagonally opposed be oppositely arranged, first displacement meter with the second displacement meter is perpendicular sets
It puts.
The jack is preferably hydraulic servo jack.
After adopting the above technical scheme, a kind of raw-soil wall original position diagonal shear pilot system of the utility model, is padded with fixed
Block and movable cushion block make raw-soil wall for end template, pull out movable cushion block after air-drying, are formed between movable cushion block and base surface
Diagonal shear experimental rig is then installed in movable vacancy, and applying pressure by jack pair raw-soil wall is test.Utilize this reality
With novel diagonal shear pilot system in situ, raw-soil wall can carry out diagonal shear experiment in the case of undisturbed, right
Angle shearing test device is easy to process, mobile flexible and installation is simple.Since raw-soil wall is undisturbed during experiment, this
Sample, result of the test are more accurate.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the front view of the utility model reaction plate lower end；
Fig. 3 is the front view of the utility model top board lower end.
In figure：
Reaction plate -1；First circular through hole -11；
First circular groove -12；Pull rod -2；
First single pole -21；Second single pole -22；
Third single pole -23；4th single pole -24；
Jack -3；Upper bracket -4；
L-shaped right angle groove -41；Undersetting -5；
L-shaped right angle groove -51；Displacement meter -6；
First displacement meter -61；Second displacement meter -62；
Fixed cushion block -7；Movable cushion block -8；
Raw-soil wall -9；L-shaped right-angle wall corner -91；
Movable vacancy -10.
Specific embodiment
In order to which the technical solution of the utility model is explained further, below by specific embodiment come to the utility model into
Row elaborates.
First, pilot system
As shown in Figure 1-Figure 3, a kind of raw-soil wall original position diagonal shear pilot system, including diagonal shear experimental rig, admittedly
Determine cushion block 7 and movable cushion block 8.The diagonal shear experimental rig includes reaction plate 1, pull rod 2, jack 3, upper bracket 4, undersetting
5 and displacement meter 6.The pilot system of the utility model is installed and acts on raw-soil wall 9, and then carries out diagonal shear to raw-soil wall 9
Experiment, reaction plate 1, upper bracket 4 and undersetting 5 are sheathed on pull rod 2, and reaction plate 1 is located at the top of pull rod, undersetting 5
In the bottom of pull rod 2, upper bracket 4 is between reaction plate 1 and undersetting 5.One of them the diagonal side of pull rod 2 along raw-soil wall 9
To installation settings.The both ends of jack 3 are socketed on respectively on reaction plate 1 and upper bracket 4.It is formed between upper bracket 4 and undersetting 5
Raw-soil wall limits section, and pull rod 2 is partly installed in corresponding to raw-soil wall limiting section on raw-soil wall 9, and raw-soil wall 9 is limited in upper bracket
Between 4 and undersetting 5.And upper bracket 4 and undersetting 5 are in contact respectively with two diagonal positions of raw-soil wall 9.Displacement meter 6 is fixed
In on the side of raw-soil wall 9, for measuring the deflection of raw-soil wall 9.The bottom of fixed cushion block 7 and movable cushion block 8 as raw-soil wall 9
Template uses, and the two tiles pad set on 9 bottom end of raw-soil wall, and fixed cushion block 7 is fixed on by screw rod on the base surface such as ground.
Pull rod 2 includes the identical single pole of four root architectures, respectively the first single pole 21, the second single pole 22,23 and of third single pole
4th single pole 24, and the parallel setting of each single pole.Reaction plate 1 is cuboid, and rectangular cross-section, reaction plate 1 is close to four tops
The position (this is located proximate to all edges of reaction plate 1) of point accordingly offers the first circle corresponding to the length direction of pull rod 2 and leads to
Hole 11, and then reaction plate 1 is opened up there are four the first circular through hole 11, and the first circular through hole 11 cutting along reaction plate 1 of four
Two opposite side perpendicular bisectors in face (i.e. rectangle) are symmetrical.Four single poles are set corresponding to the first circular through hole 11 installation of four
It puts.
In the present embodiment as shown in Fig. 2, with AB directions (i.e. CD directions) for horizontal direction, the perpendicular AC with horizontal direction
Direction is longitudinal direction, and the first single pole 21 and the second single pole 22 are distributed along longitudinal direction, and 23 and the 4th single pole 24 of third single pole is along longitudinal direction
Distribution.First single pole 21 and the 4th single pole 24 are transversely distributed, and the second single pole 22 and third single pole 23 are transversely distributed.Reaction plate
Pitch-row between first circular through hole 11 of 1 lateral arrangement is slightly larger than the thickness of raw-soil wall 9, i.e. the first single pole 21 and the 4th is single
The distance between 24 and second single pole 22 of bar and third single pole 23 are slightly larger than the thickness of raw-soil wall 9.First single pole 21 and second
Single pole 22 is located at the side of raw-soil wall 9, and 23 and the 4th single pole 24 of third single pole is located at the opposite opposite side of raw-soil wall 9.Raw-soil wall 9
Between 24 place face of the first single pole 21 and 22 place face of the second single pole and third single pole 23 and the 4th single pole.
As shown in figure 3, upper bracket 4 substantially in square, is opened up, there are four the second circular through holes.The upper surface of upper bracket 4
For rectangle.The set-up mode of second circular through hole, shapes and sizes are identical with the first circular through hole 11.Each second circular through hole
Between relative position relation with apart from equal identical with each first circular through hole 11.Each second circular through hole corresponds to upper bracket 4
Upper surface close to the position on four vertex.Undersetting 5 opens up that there are four third circular through holes substantially in square.Undersetting 5
Lower face be rectangle.The set-up mode of third circular through hole, shapes and sizes are round with the first circular through hole 11 and second
Through-hole is identical, relative position relation between each third circular through hole and apart from equal round with each first circular through hole 11 and second
Through-hole is identical.Each third circular through hole corresponds to the lower face of undersetting 5 close to the position on four vertex.The section of reaction plate 1,
The upper surface of upper bracket 4 and the size all same of the lower face of undersetting 5.
Single pole is round bar, and the shapes and sizes of the first circular through hole 11, the second circular through hole and third circular through hole are equal
Match with single pole, the diameter of single pole is slightly less than the aperture of circular through hole 11.Each single pole of pull rod 2 corresponds and penetrates each
One circular through hole 11.Single pole has first section and endpiece.First section is pierced by the first circular through hole 11, and then reaction plate 1 is sheathed on pull rod 2
On, and can be slided along the axial direction of pull rod 2.The first section and endpiece of single pole are thread segment.Then nut is locked in
In first section, the nut after the locking plays position-limiting action, prevents reaction plate 1, upper bracket 4 or undersetting 5 from the first section of single pole
End edge is detached from single pole successively.The upper end direction of reaction plate 1 is locked in the nut of the first section of single pole.Upper bracket 4 passes through the second circle
Through-hole is sheathed on pull rod 2, and further, undersetting 5 is sheathed on by third circular through hole on pull rod 2, and the endpiece of single pole
It is pierced by third circular through hole.Then nut is locked on the endpiece of single pole, the nut after the locking plays position-limiting action, prevents down
Bearing 5, upper bracket 4 or reaction plate 1 are detached from single pole successively from the end of the endpiece of single pole edge.
The center of the lower end of reaction plate 1 offers the first circular groove 12.The centre bit of the upper end of upper bracket 4
It puts and offers the second circular groove.The upper end of jack 3 is convexly equipped with the first pillar to match with first circular groove 12,
The lower end of jack 3 is convexly equipped with the second pillar to match with second circular groove.The diameter of first pillar is smaller
In the diameter of the first circular groove 12, the diameter of second pillar is slightly less than the diameter of the second circular groove.Described first is convex
Column socket-connects with first circular groove 12, and second pillar socket-connects with second circular groove.
Raw-soil wall 9 is cuboid, and using side shown in FIG. 1 as front, this front is square, with opposite with this front
Another side is the back side, and the distance between front and the back side are thickness.Positive four vertex correspondences are in the thickness direction of raw-soil wall 9
Seamed edge be respectively provided with L-shaped right-angle wall corner 91.The lower end of upper bracket 4 offers the L-shaped along the thickness direction setting of raw-soil wall 9
Right angle groove 41, L-shaped right angle groove 41 are had the vertically disposed cell wall of two-phase, are connected with the front shown in FIG. 1 with raw-soil wall 9
The two-phase vertical edges of tactile L-shaped right angle groove 41 are two right-angle sides of L-shaped right angle groove 41, it is preferable that the width of two cell walls is (i.e.
The length of two right-angle sides of L-shaped right angle groove) it is equal, also, the length of two right-angle sides of the L-shaped right angle groove is respectively the raw-soil
The 1/8 of the positive length of side of wall 9.The length (i.e. length of the cell wall along 9 thickness direction of raw-soil wall) of L-shaped right angle groove 41 and raw-soil wall
9 thickness matches.The upper end of undersetting 5 offers L-shaped right angle groove 51, L-shaped right angle groove 51 and L-shaped right angle groove 41
Structure is identical and is arranged oppositely, the two on raw-soil wall 9 be located at it is same it is diagonally opposed on two L-shaped right-angle wall corner 91 corresponding
Match.Pressure is applied to raw-soil wall 9 convenient for jack 3.
Displacement meter 6 includes the first displacement meter 61, second displacement meter 62, third displacement meter and the 4th displacement meter, each displacement meter
In raw-soil wall 9 on the front and back, and the first displacement meter 61 and second displacement meter 62 are located at the front one of raw-soil wall 9 to gluing
Side, third displacement meter and the 4th displacement meter are located at the reverse side of raw-soil wall 9.First displacement meter 61 and third displacement meter are along the raw-soil
Wall 9 it is same it is diagonally opposed be oppositely arranged, 62 and the 4th displacement meter of second displacement meter is along the another diagonally opposed opposite of raw-soil wall 9
Setting.First displacement meter 61 and the 62 perpendicular setting of second displacement meter.
It should be noted that jack 3 is preferably hydraulic servo jack.Displacement meter 6 is respectively connected with data with jack 3
Displacement meter 6 is connect by conducting wire by data conductor with display phase control.Diagonal shear test data can be read by display
Or process adjusting test parameters etc. is tested according to diagonal shear.
A kind of raw-soil wall original position diagonal shear pilot system of the utility model, by the original position diagonal shear pilot system,
Raw-soil wall 9 can carry out diagonal shear experiment in the case of undisturbed, and diagonal shear experimental rig is easy to process, mobile
Flexibly and installation is simple.Since raw-soil wall 9 is undisturbed during experiment, in this way, result of the test is more accurate.
Further, length difference (the i.e. width of cell wall of two right-angle sides of L-shaped right angle groove 41 and L-shaped right angle groove 51
Degree) cob wall 9 of making a living the positive length of side 1/8, avoid excessive compression.
2nd, application method
A kind of application method of raw-soil wall original position diagonal shear pilot system is diagonally cut in situ using a kind of above-mentioned raw-soil wall
Pilot system is cut, is included the following steps：
1st, raw-soil wall is made
Fixed cushion block 7 is fixed on by screw rod on ground, while movable cushion block 8 and fixed cushion block are closely tiled split
Together, smooth major plate face is formed after 8 split of fixed cushion block 7 and movable cushion block.The Qu Zhu buildings soil sample near certain Tulou, in length
The raw-soil wall that soil forms positive square is built in plate face, is then air-dried to preset experimental condition.Specifically, it presses《Earthwork test rule
SL237-1999》Standard compaction test is carried out to soil sample, determines optimum moisture content and maximum dry density.By 9 volume of raw-soil wall, most
Big dry density and optimum moisture content, calculate the wet soil quality prepared needed for raw-soil wall, prepare by the wet soil quality needed for calculating
Soil sample.9 size of raw-soil wall is 1200mm × 1200mm × 300mm, wherein, raw-soil wall width W is 1200mm, raw-soil wall height h
For 1200mm, raw-soil wall thickness t is 300mm.Method layering is built using mould to make, fixed cushion block 7 and movable cushion block 8 are made a living cob wall bottom
Template.Raw-soil wall 9 conserves (curing temperature is 20 ± 5 DEG C, relative humidity 60-70%) in laboratory after completing, directly
Reach steady state value 5% to moisture content, i.e. raw-soil wall 9 reaches experimental condition.
2nd, system is installed
When raw-soil wall 9 reaches experimental condition, movable cushion block 8 is pulled out by hand so that movable cushion block 8 and the bottom of raw-soil wall 9
End separation, the formation activity vacancy 10 between 9 bottom end of raw-soil wall and base surface,
Diagonal shear experimental rig is further installed, specifically, in hanging down respectively along two on the front and back for raw-soil wall 9
Straight diagonally opposed installation displacement meter 6, the first displacement meter and second displacement the meter perpendicular front for being installed on raw-soil wall 9 respectively
On, and positioned at the positive side of raw-soil wall 9, third displacement meter and the 4th the displacement meter perpendicular phase for being installed on raw-soil wall 9 respectively
On the back side answered, and it is located at the reverse side of raw-soil wall 9,
Each first circular through hole 11 of reaction plate 1 and each single pole one-to-one correspondence of pull rod 2 are assembled together, until counter-force
Plate 1 is set on pull rod 2, and the first section of each single pole is pierced by the first circular through hole 11, and the head of each single pole is locked in nut
Then Duan Shang connects together the second pillar of the lower end of jack 3 and the second circular groove of upper bracket 4, then will be upper
Second circular through hole of bearing 4 is corresponded with each single pole, and upper bracket 4 is set on pull rod 2, further, by thousand
First pillar of upper end on jin top 3 connects together with the first circular groove 12 of reaction plate 1；Finally by the third of undersetting 5
Circular through hole is corresponded and undersetting 5 is set on pull rod 2, and the endpiece of single pole is pierced by third circle and leads to each single pole
Hole, and being locked on the endpiece of each single pole with nut, in addition, undersetting 5 is worn to inconsistent with nut, upper bracket 4 and under
Bearing 5 is opposite wear to the L-shaped right angle groove 51 of the L-shaped right angle groove 41 of upper bracket 4 and undersetting 5 respectively with 9, raw-soil wall
It fits conflicts in two L-shaped right-angle wall corners 91 of a pair of of angular direction upper edge raw-soil wall thickness direction setting, you can complete diagonally
Shearing test device；It should be noted that the movable vacancy 10 between the bottom end of raw-soil wall 9 and base surface is the peace of undersetting 5
Dress and work provide position, while the handling for diagonal shear experimental rig provide operating space etc., and cob wall of making a living is undisturbed
Experiment process create conditions.
3rd, system loads
After the installation of diagonal shear experimental rig, adjustment jack 3 is with constant speed pushing tow upper bracket 4, the size of speed
Preferably 0.1mm/min, upper bracket 4 apply pressure to raw-soil wall 9, and when jack 3 presses to raw-soil wall 9, raw-soil wall 9 is cut
Bad, the load strain curve of raw-soil wall 9 from display is cut through, until observing that raw-soil wall 9 is broken from load strain curve
It is bad, stop the urging action of jack 3.Load P when being destroyed by the readable birth cob wall 9 of load strain curve.
3rd, experimental result
After above-mentioned raw-soil wall original position diagonal shear pilot system carries out diagonal shear experiment to raw-soil wall, raw-soil wall is obtained
Anti-shear ability analysis needed for experimental data, specifically,
1. shear stress is calculated as follows：
SsFor net shear stress, Mpa；
P make a living cob wall destroy when load, N；
AnFor effective bearing area, mm2, it can be calculated as follows,
W makes a living cob wall width, mm；
H makes a living cob wall height, mm；
T makes a living cob wall thickness, mm.
2. shear strain can be calculated as follows：
γ-ΔV+ΔII
γ is shearing strain, mm/mm；
Δ V is that (numerical value is specifically by the first displacement meter 61 and the third being oppositely arranged for the diagonally opposed strain absolute value of loading
Displacement meter measures), mm/mm；
Δ II is that (numerical value is specifically by second displacement meter 62 and be oppositely arranged the 4th for the diagonally opposed strain of Vertical loading
Shifting measures), mm/mm；
3. the coefficient of rigidity can be calculated as follows：
G is the coefficient of rigidity, Mpa.
The product form and style of above-described embodiment and attached drawing and non-limiting the utility model, any technical field
The appropriate variation or modification that those of ordinary skill does it all should be regarded as not departing from the patent category of the utility model.
Claims (8)
1. a kind of raw-soil wall original position diagonal shear pilot system is installed and acts on raw-soil wall, it is characterised in that：It is padded including fixed
Block, movable cushion block and diagonal shear experimental rig, the diagonal shear experimental rig include reaction plate, pull rod, jack, on
Bearing, undersetting and displacement meter, the reaction plate, the upper bracket and the undersetting are sheathed on the pull rod, described
Reaction plate is located at the top of the pull rod, and the undersetting is located at the bottom of the pull rod, and the upper bracket is located at the counter-force
Between plate and the undersetting, a pair of of angular direction installation settings of the pull rod along the raw-soil wall, the both ends of the jack
It is socketed on respectively on the reaction plate and the upper bracket, the limiting of raw-soil wall is formed between the upper bracket and the undersetting
Section, the pull rod are partly installed in corresponding to raw-soil wall limiting section on the raw-soil wall, and the raw-soil wall is limited in institute
It states between upper bracket and the undersetting；
Two diagonal positions of the upper bracket and the undersetting respectively with the raw-soil wall are in contact, and the displacement meter is fixed on
On the side of the raw-soil wall, the fixed cushion block and the movable cushion block tile pad set on the bottom end of the raw-soil wall, institute
Fixed cushion block is stated to be fixed on base surface.
2. raw-soil wall original position diagonal shear pilot system as described in claim 1, it is characterised in that：The pull rod includes plural number
Root architecture is identical and the single pole of parallel setting, being offered close to the position on its week edge for the reaction plate are a plurality of corresponding to institute
The first circular through hole stated the length direction of pull rod and matched with the single pole, the position on close its week edge of the upper bracket
Offer a plurality of length directions corresponding to the pull rod and the second circular through hole to match with the single pole, the lower branch
What the position on close its week edge of seat offered a plurality of length directions corresponding to the pull rod and matched with the single pole
Third circular through hole.
3. raw-soil wall original position diagonal shear pilot system as claimed in claim 2, it is characterised in that：The single pole has first section
And endpiece, the first section and the endpiece are to be locked in the first section and the tail respectively with the matched thread segment of nut, the nut
Duan Shang.
4. raw-soil wall original position diagonal shear pilot system as claimed in claim 3, it is characterised in that：The lower end of the reaction plate
The center in portion offers the first circular groove, and it is round recessed that the center of the upper end of the upper bracket offers second
Slot, the upper end of the jack are convexly equipped with the first pillar to match with first circular groove, the lower end of the jack
The second pillar to match with second circular groove is convexly equipped with, first pillar is nested with first circular groove
It connects, second pillar socket-connects with second circular groove.
5. raw-soil wall original position diagonal shear pilot system as claimed in claim 4, it is characterised in that：The raw-soil wall is rectangular
Body, have one group of corresponding front and back, the distance between the front and the back side be thickness, positive four vertex
L-shaped right-angle wall corner is respectively provided with corresponding to the seamed edge of the thickness direction of the raw-soil wall, the lower end of the upper bracket offers
The L-shaped right angle groove set along the thickness direction of the raw-soil wall, the L-shaped right angle groove have the vertically disposed cell wall of two-phase,
The upper end of the undersetting offers another L-shaped right angle groove, L-shaped right angle groove and the upper bracket of the undersetting
L-shaped right angle groove structure is identical and is arranged oppositely, be located on the two and the raw-soil wall it is same it is diagonally opposed on two L
Shape right-angle wall corner accordingly matches.
6. raw-soil wall original position diagonal shear pilot system as claimed in claim 5, it is characterised in that：The front of the raw-soil wall
For square, the width of the cell wall of the L-shaped right angle groove is the 1/8 of the positive length of side of the raw-soil wall.
7. raw-soil wall original position diagonal shear pilot system as claimed in claim 6, it is characterised in that：The displacement meter includes dividing
The first displacement meter, second displacement meter, third displacement meter and the 4th displacement meter not being fixed on the side of the raw-soil wall, it is described
First displacement meter and the second displacement meter are located at the positive side of the raw-soil wall, the third displacement meter and 4th described
Reverse side of the meter positioned at the raw-soil wall is moved, first displacement meter and the third displacement meter are respectively along the raw-soil wall
It is same it is diagonally opposed be oppositely arranged, the second displacement meter and the 4th displacement meter are respectively along the another diagonal of the raw-soil wall
Direction is oppositely arranged, first displacement meter and the perpendicular setting of second displacement meter.
8. such as claim 1-7 any one of them raw-soil walls original position diagonal shear pilot system, it is characterised in that：It is described very heavy
Top is preferably hydraulic servo jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431064.2U CN207600869U (en) | 2017-10-31 | 2017-10-31 | Raw-soil wall original position diagonal shear pilot system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431064.2U CN207600869U (en) | 2017-10-31 | 2017-10-31 | Raw-soil wall original position diagonal shear pilot system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207600869U true CN207600869U (en) | 2018-07-10 |
Family
ID=62757683
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|---|---|---|---|
| CN201721431064.2U Active CN207600869U (en) | 2017-10-31 | 2017-10-31 | Raw-soil wall original position diagonal shear pilot system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817173A (en) * | 2017-10-31 | 2018-03-20 | 华侨大学 | Raw-soil wall original position diagonal shear pilot system and its application method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817173A (en) * | 2017-10-31 | 2018-03-20 | 华侨大学 | Raw-soil wall original position diagonal shear pilot system and its application method |
| CN107817173B (en) * | 2017-10-31 | 2023-10-20 | 华侨大学 | In-situ diagonal shear test system for raw soil wall and application method thereof |
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