CN107588914A - Section of jurisdiction load testing machine - Google Patents

Section of jurisdiction load testing machine Download PDF

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Publication number
CN107588914A
CN107588914A CN201710740272.9A CN201710740272A CN107588914A CN 107588914 A CN107588914 A CN 107588914A CN 201710740272 A CN201710740272 A CN 201710740272A CN 107588914 A CN107588914 A CN 107588914A
Authority
CN
China
Prior art keywords
jurisdiction
experiment
loaded
frame
spar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710740272.9A
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Chinese (zh)
Inventor
庄欠伟
李林
王晓鹏
吕建中
褚鑑堂
吴兆宇
沈庞勇
杨正
顾贇
张弛
白占伟
陈哲
蒋宏亮
季军
徐天明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai City Water Supply Project Management Co Ltd
SHANGHAI SHIELD CENTER CO Ltd
Shanghai Tunnel Engineering Co Ltd
Original Assignee
Shanghai City Water Supply Project Management Co Ltd
SHANGHAI SHIELD CENTER CO Ltd
Shanghai Tunnel Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai City Water Supply Project Management Co Ltd, SHANGHAI SHIELD CENTER CO Ltd, Shanghai Tunnel Engineering Co Ltd filed Critical Shanghai City Water Supply Project Management Co Ltd
Priority to CN201710740272.9A priority Critical patent/CN107588914A/en
Publication of CN107588914A publication Critical patent/CN107588914A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a kind of section of jurisdiction load testing machine, including:Enclose and be provided with the first loaded member for being supported in the experiment section of jurisdiction lateral surface located at the frame system for testing section of jurisdiction periphery, the inner side of the frame system, applied by first loaded member to the experiment section of jurisdiction along the outer compressive load for testing section of jurisdiction radial direction;And the interior pull system inside the experiment section of jurisdiction, the end of the interior pull system is provided with the loop configuration being sheathed on the experiment section of jurisdiction, the second loaded member for being supported in the experiment section of jurisdiction lateral surface is provided with the loop configuration positioned at the part tested on the outside of section of jurisdiction, is applied by second loaded member to the experiment section of jurisdiction along the interior drawing load for testing section of jurisdiction radial direction.Interior pull system is set on experiment section of jurisdiction using loop configuration so that interior pull system improves the load to the loading of experiment section of jurisdiction, so as to ensure that the accuracy of experimental results under the not structural strength of breaking test section of jurisdiction in itself.

Description

Section of jurisdiction load testing machine
Technical field
The present invention relates to shield experiment test field, refers in particular to a kind of section of jurisdiction load testing machine.
Background technology
In large size city, today of traffic increasingly congestion, the importance of Underground Rail Transit are outstanding day by day.And in China In the construction of lower traffic, shield method is widely used.Shield duct piece is configured as a ring important in shield construction, Directly determine shield construction three into or even close to half cost and construction safety coefficient.It may be said that how to avoid wave The quality for being able to ensure that safe shield duct piece largely determines a shield-tunneling construction is designed on the premise of expense.Cause This must be tested the mechanical property of shield duct piece in advance, simulated real load, verified every design objective.
Common especially domestic common shield duct piece test method is mainly scaled down model test at present, office The mode such as portion's experiment and short form test.Experiment is due to the factor such as roughization of structure, the discreteness and dimensional effect of material above Limitation, it is difficult to the true detail characteristic and mechanical characteristic for reflecting shield duct piece.And 1:In terms of 1 equal proportion domain experiment, state Mainly have outside:2003, the scholar such as Japanese H.Nakamura carried out double round rectangular shield lining cutting 1:1 prototype test and research; 2003, the 4th, German Elbe vcehicular tunnel external diameter was to verify lining segment up to 13.75m (being the first in the world during construction) Bearing capacity and stability have carried out 1:1 domain is tested;2000, Tongji University designed with Shanghai City Tunnel Engineering track traffic Research institute's cooperation has carried out single round lining cutting 1:1 prototype test;2002, tunnel limited company in Shanghai was to track traffic Yangpu Line (M8 lines) double-O-tube shield section of jurisdiction carries out 1:1 Mechanical loading is tested;2006 champions etc. are with Ningbo enlightenment street-Yao Hang streets Lower walkway is background engineering, and 1 has been carried out to special-shaped (rectangle) shield duct piece mechanical characteristic:1 full scale is tested.Above and its He some 1:1 prototype test, although can preferably reflect the true stressing conditions of shield duct piece, there is also it is various not Foot.Mainly have it is following some:Due to the load for bearing the outer framework structural strength of counter-force and the limitation of installing space can apply It is relatively small, the load condition for satisfying section of jurisdiction under great burying deeply can not be simulated;Other section of jurisdiction experimental rig is past to draw load in loading Toward the connected mode punched on experiment section of jurisdiction is taken, the structural strength of section of jurisdiction itself is destroyed, so as to influence experiment test As a result accuracy.
The content of the invention
The defects of it is an object of the invention to overcome prior art, there is provided a kind of section of jurisdiction load testing machine, solve existing Existing for the experimental rig of section of jurisdiction outer framework apply load it is relatively small and can not simulate the load condition of great burying and for realize Draw load in being loaded to section of jurisdiction and use on section of jurisdiction the connected mode punched so as to destroy the structural strength of section of jurisdiction itself and shadow The problem of ringing experimental results accuracy.
Realizing the technical scheme of above-mentioned purpose is:
The invention provides a kind of section of jurisdiction load testing machine, including:
The frame system located at experiment section of jurisdiction periphery is enclosed, the inner side of the frame system, which is provided with, is supported in the experiment section of jurisdiction First loaded member of lateral surface, applied by first loaded member to the experiment section of jurisdiction along the outer of the experiment section of jurisdiction radial direction Compressive load;And
Interior pull system inside the experiment section of jurisdiction, the end of the interior pull system, which is provided with, is sheathed on the experiment tube Loop configuration on piece, the part in the loop configuration on the outside of the experiment section of jurisdiction, which is provided with, is supported in the experiment section of jurisdiction Second loaded member of lateral surface, applied by second loaded member to the experiment section of jurisdiction along the experiment section of jurisdiction radial direction Draw load.
The frame system of the present invention provides outer compressive load for experiment section of jurisdiction, and interior pull system provides interior draw for experiment section of jurisdiction and carried Lotus, and interior pull system is set on experiment section of jurisdiction using loop configuration so that interior pull system in not breaking test section of jurisdiction in itself Under structural strength, the load to the loading of experiment section of jurisdiction is improved, so as to ensure that the accuracy of experimental results.
Section of jurisdiction load testing machine of the present invention further improvement is that, the interior pull system include be located at the experiment tube Frustum cone structure at piece inside center and multiple drawknot components radially around frustum cone structure periphery setting, it is described The end of drawknot component is provided with the loop configuration.
Section of jurisdiction load testing machine of the present invention further improvement is that, the loop configuration include tie-beam, be connected to Upper spar at the top of the tie-beam, the lower spar and drawknot for being connected to the tie-beam bottom connect the upper spar and institute State the connecting rod of lower spar;
The tie-beam leaves certain positioned at the outside of the experiment section of jurisdiction and between the lateral surface of the experiment section of jurisdiction Spacing, the tie-beam are provided with multiple second loaded members;
The connecting rod leaves certain positioned at the inner side of the experiment section of jurisdiction and between the medial surface of the experiment section of jurisdiction Spacing;
The upper spar leaves one positioned at the upper end side for testing section of jurisdiction and between the upper surface of the experiment section of jurisdiction Determining deviation;
The lower spar leaves one positioned at the lower end side for testing section of jurisdiction and between the lower surface of the experiment section of jurisdiction Determining deviation.
Section of jurisdiction load testing machine of the present invention further improvement is that, the lower spar be provided be supported in the experiment 3rd loaded member of section of jurisdiction lower surface, applied by the 3rd loaded member to the experiment section of jurisdiction along the experiment section of jurisdiction width Longitudinal tightening force in direction.
Section of jurisdiction load testing machine of the present invention further improvement is that, in addition to be sticked and be fixed on the experiment section of jurisdiction Multiple first distribution beams of lateral surface;
The force side of second loaded member is resisted against in corresponding first distribution beam.
Section of jurisdiction load testing machine of the present invention further improvement is that, the drawknot component is connected to described including drawknot The first tension member and drawknot between frustum cone structure and the upper spar are connected between the frustum cone structure and the lower spar The second tension member;
The adjustable in length of first tension member;
The adjustable in length of second tension member.
Section of jurisdiction load testing machine of the present invention further improvement is that, first tension member and second tension member Including the front bar being connected with the frustum cone structure, the rear bar being connected with the upper spar and connect the front bar and rear bar Rod set, the front bar and the rear shank portion are stretched in the rod set and are fixed in the rod set, by adjust it is described before The depth that bar and the rear bar are stretched into the rod set adjusts the length of first tension member and second tension member.
Section of jurisdiction load testing machine of the present invention further improvement is that, the frame system include splicing connection housing Body, the upper frame being fixedly connected at the top of the outer frame body and the lower frame for being fixedly connected on the outer frame body bottom, it is described Outer frame body is located at the periphery of the experiment section of jurisdiction.
Section of jurisdiction load testing machine of the present invention further improvement is that, the medial surface of the outer frame body corresponds to described first Loaded member is provided with regulation cushion block, described to adjust on cushion block formed with installation inclined-plane, passes through installation inclined-plane installation described first Loaded member so that normal direction of the external pressure loading direction that first loaded member applies along the experiment section of jurisdiction periphery is set.
Section of jurisdiction load testing machine of the present invention further improvement is that, it is described experiment section of jurisdiction include positioned at middle part the domain Tunnel segment structure and the semi-ring tunnel segment structure for being attached at the domain tunnel segment structure both sides, the width of the semi-ring tunnel segment structure is institute State the half of domain tunnel segment structure width.
Brief description of the drawings
Fig. 1 is the structural representation that section of jurisdiction load testing machine of the present invention is used to test section of jurisdiction loading experiment.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the mplifying structure schematic diagram of part-structure in Fig. 1.
Fig. 4 is the decomposition texture schematic diagram of outer frame body in section of jurisdiction load testing machine of the present invention.
Fig. 5 is the top view of interior pull system in section of jurisdiction load testing machine of the present invention.
Fig. 6 is the sectional view of interior pull system in section of jurisdiction load testing machine of the present invention.
Fig. 7 is the structural representation for testing section of jurisdiction that the present invention is used to carry out loading experiment.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Refering to Fig. 1, the invention provides a kind of section of jurisdiction load testing machine, for solving existing shield duct piece experimental rig Because the load for bearing the outer framework structural strength of counter-force and the limitation of installing space can apply is relatively small, and can not simulate The load situation of section of jurisdiction is satisfied under great burying deeply, and draws the section of jurisdiction experimental rig of load to take in offer and is punched on experiment section of jurisdiction Connected mode, so as to destroy the structural strength of section of jurisdiction itself, be additionally operable to solution and can only apply radial load that pipe can not be simulated The problem of longitudinal tightening force of piece.Section of jurisdiction load testing machine provided by the invention is used to increase substantially section of jurisdiction load test dress Put the ability that radial load is provided so that experimental rig disclosure satisfy that more especially deep shield pipes for satisfying great burying big load The requirement of experiment of piece, and longitudinal loading can be provided, it can be greatly improved existing with the more mechanical characteristics in confirmatory experiment section of jurisdiction The performance of section of jurisdiction load testing machine.The structure of section of jurisdiction load testing machine of the present invention is illustrated below in conjunction with the accompanying drawings.
As shown in fig. 7, inner side and outer side used in the present invention is bound below.Test the lateral surface of section of jurisdiction 11 113 be the one side of shield duct piece close soil body in tunnel, and the medial surface 114 for testing section of jurisdiction 11 is shield duct piece in tunnel Away from the soil body side, test section of jurisdiction 11 upper surface 115 and lower surface 116 be shield duct piece in tunnel with other section of jurisdiction phases The face of connection, below the outside of experiment section of jurisdiction 11 used in the present invention be part beyond lateral surface 113, inner side is inner side Part within face, upper end side are part more than upper surface, and lower end side is the part below lower surface.
As shown in figure 1, the invention provides a kind of section of jurisdiction load testing machine 20 to include frame system 21 and interior pull system 22, for simulating the actual loading of shield duct piece, the mechanical property for testing section of jurisdiction 11 is tested.Frame system 21, which encloses, to be located at The periphery of section of jurisdiction 11 is tested, with reference to shown in Fig. 2 and Fig. 3, the inner side of frame system 21, which is provided with, is supported in the experiment lateral surface of section of jurisdiction 11 113 the first loaded member 211, applied by the first loaded member 211 to experiment section of jurisdiction 11 along the outer ballast for testing the radial direction of section of jurisdiction 11 Lotus;Periphery of first loaded member 211 along experiment section of jurisdiction 11 is arranged at intervals, and first loaded member 211 is also along experiment section of jurisdiction 11 Width be arranged at intervals;Located at the inside of experiment section of jurisdiction 11, the end of interior pull system 22 is provided with to be set in interior pull system 22 The loop configuration 221 on section of jurisdiction 11 is tested, with reference to shown in Fig. 6, positioned at the part in the outside of experiment tube piece 11 in the loop configuration 221 Provided be supported in experiment section of jurisdiction 11 lateral surface 113 the second loaded member 222, by the second loaded member 222 to experiment section of jurisdiction 11 Apply the interior drawing load along the experiment radial direction of section of jurisdiction 11.Width of second loaded member 222 along experiment section of jurisdiction 11 is arranged at intervals, Periphery of the loop configuration 221 along experiment section of jurisdiction 11 is arranged at intervals, and is set it is preferred that the loaded member 211 of loop configuration 221 and first is interspersed Put, a loop configuration 221 can be set between the first loaded member of each two 211.
The present invention is set on experiment section of jurisdiction using loop configuration so that in the not structural strength of breaking test section of jurisdiction in itself Under, the load that can be loaded to section of jurisdiction is substantially increased, so as to meet that the depth of great burying top load satisfies the experiment need of section of jurisdiction Ask.And it ensure that the accuracy of experiment test structure.
As shown in Figure 2 and Figure 5, the better embodiment as the present invention, interior pull system 22 are included located at experiment section of jurisdiction Frustum cone structure 223 at 11 inside centers and multiple drawknot components radially around the periphery of frustum cone structure 223 setting 224, the end of drawknot component 224 is provided with loop configuration 221.Circle spacing of the drawknot component 224 along frustum cone structure 223 sets Put, the interior drawing load for inwardly drawing experiment section of jurisdiction 11 is formd by frustum cone structure 223, drawknot component 224 and loop configuration 221.
Further, with reference to shown in Fig. 2, Fig. 3 and Fig. 6, loop configuration 221 includes tie-beam 2211, is connected to the connection The upper spar 2212 at the top of beam 2211, the lower spar 2213 for being connected to the bottom of tie-beam 2211 and the upper spar of drawknot connection 2212 and the connecting rod 2214 of lower spar 2213, tie-beam 2211, upper spar 2212, lower spar 2213 and connecting rod 2214 enclose Loop configuration is connected into, section is in D types.Second loaded member 222 is arranged on tie-beam 2211, and the tie-beam 2211 is positioned at experiment Simultaneously certain spacing, the company of being fixed on of the second loaded member 222 are left between the lateral surface 113 of experiment section of jurisdiction 11 in the outside of section of jurisdiction 11 Connect on beam 2211, and the lateral surface 113 towards experiment section of jurisdiction 11 protrudes out setting, the strength end of second loaded member 222 can be supported Lean against the lateral surface 113 of experiment section of jurisdiction 11 and apply the load along the experiment radial direction of section of jurisdiction 11 to the lateral surface 113.Connecting rod 2214 Certain spacing is left between medial surface 114 positioned at the inner side of experiment section of jurisdiction 11 and with testing section of jurisdiction 11, the connecting rod 2214 Be oppositely arranged with tie-beam 2211, connecting rod 2214 is preferably two, wear be connected to spar 2212 and lower spar 2213 it Between.Upper spar 2212 positioned at experiment section of jurisdiction 11 upper end side and test section of jurisdiction 11 upper surface 115 between leave it is certain between Away from;Lower spar 2213 stays at regular intervals between the lower end side of experiment section of jurisdiction 11 and the lower surface 116 with testing section of jurisdiction 11.
Loop configuration 221 is set on experiment section of jurisdiction 11 from the inner side and outer side of experiment section of jurisdiction 11, and the loop configuration 221 On be mounted with to apply experiment section of jurisdiction 11 second loaded member 222 of interior drawing load, realize not breaking test section of jurisdiction 11 from In the case of body structure intensity, experiment load is provided for experiment section of jurisdiction 11, disclosure satisfy that the experiment demand of experiment section of jurisdiction 11.
It is preferred that tie-beam 2211 includes the interior steel plate being oppositely arranged and outer steel plate and is connected to interior steel plate and outer steel plate Between multiple gussets, interior steel plate medial surface install the second loaded member 222.The structure of upper spar 2212 and lower spar 2213 It is identical with the structure of tie-beam 2211.
Further, it is supported in the of the experiment lower surface 116 of section of jurisdiction 11 as shown in fig. 6, being provided with lower spar 2213 Three loaded members 225, applied by the 3rd loaded member 225 to the lower surface 116 of experiment section of jurisdiction 11 along the experiment width of section of jurisdiction 11 Longitudinal tightening force.Longitudinal loading is provided for experiment section of jurisdiction 11, longitudinal tightening force of section of jurisdiction is simulated, to obtain more experiment tubes The mechanical characteristic of piece, improve the property of section of jurisdiction load testing machine.Certainly, the 3rd loaded member 225 of the invention can also be installed On upper spar 2212, the longitudinal direction that the 3rd loaded member 225 can apply in the width direction to the upper surface 115 of experiment section of jurisdiction 11 is drawn Clamp force.
Yet further, as shown in Figure 5 and Figure 6, the drawknot of drawknot component 224 is connected to frustum cone structure 223 and loop configuration Between 221, drawknot component 224 includes the first tension member 2241 that drawknot is connected between frustum cone structure 223 and upper spar 2212 And drawknot is connected to the second tension member 2242 between frustum cone structure 223 and lower spar 2213, the first tension member 2241 is positioned at real Test the upper end side of section of jurisdiction 11, lower end side of second tension member 2242 positioned at experiment section of jurisdiction 11.The top of frustum cone structure 223, which is fixed, to be connected The first tension member 2241 is connect, bottom is fixedly connected with the second tension member 2242.It is preferred that the adjustable length of the first tension member 2241 Section, and the first tension member 2241 is nested in the neck of spar 2212;The length of second tension member 2242 also can adjust, and the Two tension members 2242 are nested in the neck of lower spar 2213.Neck, the first tension member are offered in the end of upper spar 2212 2241 end is provided with the projection being adapted to the neck, by the way that the projection of the first tension member 2241 is nested in into upper spar 2212 Neck in realize the connection of the first tension member 2241 and upper spar 2212.Card is offered in the end of lower spar 2213 Groove, the end of the second tension member 2242 is provided with the projection being adapted to neck, by the way that the projection of the second tension member 2242 is nested in The connection of the second tension member 2242 and lower spar 2213 is realized in the neck of lower spar 2213.Pass through the first tension member 2241 With the length adjustment of the second tension member 2242 so that interior pull system 22 disclosure satisfy that various sizes of section of jurisdiction experiment demand, can root The length of the first tension member 2241 and the second tension member 2242 is adjusted according to the actual size of section of jurisdiction.Specifically, the first tension member 2241 and second tension member 2242 include front bar and rear bar and the rod set of connection front bar and rear bar, front bar and rear bar can portions Point it extend into rod set and fixed, the length of whole tension member is adjusted by adjusting depth that front bar and rear bar stretched into rod set Degree.The end that front bar and rear bar are corresponded in rod set offers fastener hole, and fastening bolt is screwed with fastener hole, works as front bar After being plugged in place with rear bar, rod set and front bar and rear bar are fastenedly connected by fastening bolt.
As another better embodiment of the present invention, to ensure to test the uniform force on section of jurisdiction 11, such as Fig. 3 and Fig. 6 Shown, section of jurisdiction load testing machine 20 of the invention also includes the first distribution beam 23 and the second distribution beam 24, first distribution beam 23 are sticked and are fixed on the lateral surface 113 of experiment section of jurisdiction 11, and width of first distribution beam 23 along experiment section of jurisdiction 11 is set Put, the first distribution beam 23 is in vertical state, and the strength end of the second loaded member 222 is resisted against in corresponding first distribution beam 23, led to The first distribution beam 23 is crossed by the lateral surface 113 of the load transmission of the second loaded member 222 to experiment section of jurisdiction 11, namely it is corresponding each The second loaded member 22 in individual loop configuration 221 is respectively provided with corresponding first distribution beam 23, by the first distribution beam 23 by second The uniform load that loaded member 22 applies is distributed on the lateral surface 113 of experiment section of jurisdiction 11, avoids stress concentration.Second distribution beam 24 It is sticked and is fixed on the lateral surface 113 of experiment section of jurisdiction 11, width of second distribution beam 24 along experiment section of jurisdiction 11 is set, Second distribution beam 24 is in vertical state, the strength end of the first loaded member 211 be resisted against corresponding in the second distribution beam 24, by the Two distribution beams 24 on the lateral surface 113 of the load transmission of the first loaded member 211 to experiment section of jurisdiction 11, will be corresponded to along experiment section of jurisdiction The one of 11 width setting ranked first loaded member 211 and be provided with second distribution beam 24, pass through second distribution beam 24 The uniform load that first loaded member 211 applies is distributed on the lateral surface 113 of experiment section of jurisdiction 11, avoids stress concentration.
As the another better embodiment of the present invention, as shown in Figure 1, Figure 2 and Figure 4, frame system 21 includes splicing and connected The outer frame body 212 that connects, the upper frame 213 for being fixedly connected on the top of outer frame body 212 and it is fixedly connected on the bottom of outer frame body 212 Lower frame 214, outer frame body 212, will by outer frame body 212, upper frame 213 and lower frame 214 located at the periphery of experiment section of jurisdiction 11 Experiment section of jurisdiction 11 is surrounded.Outer frame body 212 includes housing body unit 2122 and connection unit 2123, multiple housing body units 2122 are enclosed by connection unit 2123 and connect, and form the outer frame body 212 for enclosing and being located at the experiment periphery of section of jurisdiction 11.Outer frame body Unit 2122 for bending support body, bend support body bending part correspondingly test section of jurisdiction 11 periphery arc bending segment or bending Corner, adjacent housing body unit 2122 can directly dock connection, can also be spliced by connection unit 2123 and connected.Housing Body unit 2122 and connection unit 2123 are the frame structure that shaped steel is formed by connecting.Housing body unit 2122 and connection unit 2123 Quantity can be selected according to the size of experiment section of jurisdiction 11 so that outer frame body can be applicable various sizes of experiment section of jurisdiction.Restocking The frame structure that body 213 and lower frame 214 are also cross-linked to form for shaped steel transverse and longitudinal, connects by upper frame 213 and lower frame 214 When being connected on outer frame body 212, connector is fixedly connected with the web of the shaped steel of the edge of outer frame body 212, the connector can For short H profile steel, then the end of upper frame 213 or the component of lower frame 214 is fixedly connected in short H profile steel, so as to realize Upper frame 213 and lower frame 214 are connected with the drawknot of outer frame body.It is outer frame body 212 by upper frame 213 and lower frame 214 Drawknot fastening force is provided, improves the structural strength and stability of outer frame body 212 so that outer frame body 212 can be the first loaded member 211 provide favourable support.
As shown in figure 3, the opening position of corresponding first loaded member 211 of the medial surface of outer frame body 212 is provided with regulation cushion block 2121, Adjust on cushion block 2121 formed with installation inclined-plane, the first loaded member 211 is installed by installing inclined-plane so that the first loaded member 211 Normal direction of the external pressure loading direction of application along the experiment periphery of section of jurisdiction 11 is set.Regulation cushion block 2121 includes being installed in outer frame body 212 First cushion block of medial surface and the angle adjustment block for being installed in the first cushion block lateral surface, the first cushion block are used to adjust the first loaded member 211 and the distance between lateral surface of experiment section of jurisdiction 11, angle adjustment block includes using joint face and inclined-plane, joint face and inclined-plane it Between it is in a certain angle, the angle match the first loaded member 211 installed position experiment section of jurisdiction 11 outer surface radian, make Must be arranged on inclined-plane on the first loaded member 211 can perpendicular to itself and test the outer surface connection of section of jurisdiction 11 tangent line, so as to Ensure the force direction of the first loaded member 211 radially.
As shown in fig. 7, another better embodiment as the present invention, experiment section of jurisdiction 11 includes the domain pipe positioned at middle part Chip architecture 111 and it is sticked and is in the semi-ring tunnel segment structure 112 of the both sides of domain tunnel segment structure 111, the width of semi-ring tunnel segment structure 112 The half of the width of domain tunnel segment structure 111.Semi-ring tunnel segment structure 112 is set in the both sides up and down of domain tunnel segment structure 111, can be disappeared Except the boundary effect of the domain tunnel segment structure 111 at middle part, avoid testing section of jurisdiction 11 in stress border deformation with intermediate deformation not Experimental result is influenceed together, improves the accuracy of experimental configuration.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper State and bright many variations example is made to the present invention.Thus, some details in embodiment should not form limitation of the invention, this Invention will be used as protection scope of the present invention using the scope that appended claims define.

Claims (10)

  1. A kind of 1. section of jurisdiction load testing machine, it is characterised in that including:
    The frame system located at experiment section of jurisdiction periphery is enclosed, the inner side of the frame system, which is provided with, to be supported on the outside of the experiment section of jurisdiction First loaded member in face, applied by first loaded member to the experiment section of jurisdiction along the outer ballast for testing section of jurisdiction radial direction Lotus;And
    Interior pull system inside the experiment section of jurisdiction, the end of the interior pull system, which is provided with, to be sheathed on the experiment section of jurisdiction Loop configuration, the part in the loop configuration on the outside of the experiment section of jurisdiction, which is provided with, to be supported on the outside of the experiment section of jurisdiction Second loaded member in face, applied by second loaded member to the experiment section of jurisdiction along the interior drawing of the experiment section of jurisdiction radial direction and carried Lotus.
  2. 2. section of jurisdiction load testing machine as claimed in claim 1, it is characterised in that the interior pull system includes being located at the reality The frustum cone structure tested at the inside center of section of jurisdiction and the multiple drawknot components radially set around the frustum cone structure periphery, The end of the drawknot component is provided with the loop configuration.
  3. 3. section of jurisdiction load testing machine as claimed in claim 1 or 2, it is characterised in that the loop configuration include tie-beam, It is connected to the upper spar at the top of the tie-beam, is connected to lower spar and drawknot the connection upper limb of the tie-beam bottom The connecting rod of beam and the lower spar;
    The tie-beam positioned at it is described experiment section of jurisdiction outside and it is described experiment section of jurisdiction lateral surface between stay it is at regular intervals, The tie-beam is provided with multiple second loaded members;
    The connecting rod is stayed at regular intervals positioned at the inner side of the experiment section of jurisdiction and between the medial surface of the experiment section of jurisdiction;
    Between the upper spar leaves necessarily positioned at the upper end side for testing section of jurisdiction and between the upper surface of the experiment section of jurisdiction Away from;
    Between the lower spar leaves necessarily positioned at the lower end side for testing section of jurisdiction and between the lower surface of the experiment section of jurisdiction Away from.
  4. 4. section of jurisdiction load testing machine as claimed in claim 3, it is characterised in that the lower spar is described provided with being supported in The 3rd loaded member of section of jurisdiction lower surface is tested, is applied by the 3rd loaded member to the experiment section of jurisdiction along the experiment section of jurisdiction Longitudinal tightening force of width.
  5. 5. section of jurisdiction load testing machine as claimed in claim 3, it is characterised in that also include being sticked and being fixed on the experiment Multiple first distribution beams of section of jurisdiction lateral surface;
    The force side of second loaded member is resisted against in corresponding first distribution beam.
  6. 6. section of jurisdiction load testing machine as claimed in claim 3, it is characterised in that the drawknot component is connected to including drawknot The first tension member and drawknot between the frustum cone structure and the upper spar are connected to the frustum cone structure and the lower spar Between the second tension member;
    The adjustable in length of first tension member;
    The adjustable in length of second tension member.
  7. 7. section of jurisdiction load testing machine as claimed in claim 6, it is characterised in that
    First tension member and second tension member include the front bar being connected with the frustum cone structure and the upper spar The rear bar and the rod set of the connection front bar and rear bar of connection, the front bar and the rear shank portion are stretched in the rod set And be fixed in the rod set, adjust described by adjusting depth that the front bar and the rear bar stretched into the rod set The length of one tension member and second tension member.
  8. 8. section of jurisdiction load testing machine as claimed in claim 1, it is characterised in that the frame system includes splicing connection Outer frame body, the upper frame being fixedly connected at the top of the outer frame body and the lower frame for being fixedly connected on the outer frame body bottom, The outer frame body is located at the periphery of the experiment section of jurisdiction.
  9. 9. section of jurisdiction load testing machine as claimed in claim 8, it is characterised in that described in the medial surface of the outer frame body is corresponding First loaded member is provided with regulation cushion block, described to adjust formed with installation inclined-plane on cushion block, by described in installation inclined-plane installation First loaded member so that normal direction of the external pressure loading direction that first loaded member applies along the experiment section of jurisdiction periphery is set.
  10. 10. section of jurisdiction load testing machine as claimed in claim 1, it is characterised in that the experiment section of jurisdiction includes being located at middle part Domain tunnel segment structure and be attached at the semi-ring tunnel segment structures of the domain tunnel segment structure both sides, the width of the semi-ring tunnel segment structure Spend for the half of the domain tunnel segment structure width.
CN201710740272.9A 2017-08-25 2017-08-25 Section of jurisdiction load testing machine Pending CN107588914A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109001039A (en) * 2018-07-03 2018-12-14 上海隧道工程有限公司 Section of jurisdiction load and side cutting test loading equipemtn and its side cutting method
CN109001038A (en) * 2018-07-03 2018-12-14 上海隧道工程有限公司 Section of jurisdiction load testing machine and method

Citations (6)

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CN109001038A (en) * 2018-07-03 2018-12-14 上海隧道工程有限公司 Section of jurisdiction load testing machine and method
CN109001038B (en) * 2018-07-03 2020-09-15 上海隧道工程有限公司 Segment loading test device and method
CN109001039B (en) * 2018-07-03 2020-10-27 上海隧道工程有限公司 Segment loading and lateral cutting test loading equipment and lateral cutting method thereof

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Application publication date: 20180116