CN209765895U - underwater tunnel structure model - Google Patents
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- CN209765895U CN209765895U CN201822269545.9U CN201822269545U CN209765895U CN 209765895 U CN209765895 U CN 209765895U CN 201822269545 U CN201822269545 U CN 201822269545U CN 209765895 U CN209765895 U CN 209765895U
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Abstract
the underwater tunnel structure model comprises a model body consisting of N tunnel pipe sections connected end to end, wherein N is a natural number greater than 1; the deformation joint structure is arranged between two adjacent tunnel pipe sections so as to flexibly connect the two adjacent tunnel pipe sections; waterproof sealing plates arranged at the head end and the tail end of the model body are used for sealing a cavity in the model body into a closed cavity; the waterproof layer is laid on the outer wall of the model body, wherein the waterproof layer in the embodiment is preferably a waterproof coiled material; and the hoisting part is arranged at the bottom of the model body and is connected with the model body. Compared with the prior art, the transportation of the model body can be conveniently detected, the detection cost is reduced, and the detection precision is improved.
Description
Technical Field
the utility model relates to a building field especially relates to a tunnel structure model under water.
Background
At present, with the further acceleration of the urbanization process, ground traffic infrastructure is increasingly congested, and the urgent demand of modern economic development cannot be met due to terrain limitation, so that the underground traffic infrastructure is very important. The underwater tunnel does not occupy the ground surface space, does not influence water navigation and is very beneficial to water resource environment protection, so that in recent years, the construction of underwater tunnel projects in channels crossing rivers, lakes and sea increasingly has good development prospect.
The underwater tunnel structure is built in the process of construction by adopting a mode that a plurality of sections of tunnel pipe joints are connected together, and in the process of construction, in order to prevent the tunnel structure from being damaged due to uneven settlement of a foundation or other external forces, deformation joints are usually arranged between the pipe joints to adapt to structural deformation to a certain degree. Meanwhile, a corresponding sealing waterproof layer is required to be arranged on the deformation joint, and if a water stopping capsule, an embedded water stopping belt, an externally-attached waterproof coiled material and the like are arranged at the deformation joint, the phenomenon of water seepage at the deformation joint is avoided.
in the prior art, in order to ensure the quality and safety of underwater tunnel engineering construction and operation periods, the sealing and waterproof performance of a deformation joint needs to be tested.
However, the existing model is small and stays in a laboratory stage, and during testing, various performance parameters of the underwater tunnel cannot be truly reflected, and the detection precision is 1: the model of 1, its manufacturing cost is higher, can't satisfy the test in the current experiment hole to, current model is in handling, very easily produces the structure and warp, especially the problem that movement joint warp to influence its test.
SUMMERY OF THE UTILITY MODEL
To above-mentioned prior art's shortcoming or not enough, the to-be-solved technical problem of the utility model is to provide a tunnel structure model under water can make things convenient for the transportation of model body to detect, reduces the detection cost, promotes and detects the precision.
In order to solve the technical problem, the utility model provides an underwater tunnel structure model, which comprises a model body consisting of N tunnel pipe sections connected end to end, wherein N is a natural number more than 1;
The deformation joint structure is arranged between two adjacent tunnel pipe sections so as to flexibly connect the two adjacent tunnel pipe sections;
the waterproof sealing plates are arranged at the head end and the tail end of the model body and are used for sealing the cavity in the model body into a closed cavity;
the waterproof layer is laid on the outer wall of the model body;
And the hoisting part is arranged at the bottom of the model body and is connected with the model body.
Specifically, in the present embodiment, it is preferable that the ratio of the structural size between the tunnel pipe section and the actual tunnel pipe section is 1:10 or more, and the ratio of the structural size of the partial region is 1:5 or more. Therefore, the underwater tunnel structure model can become a better quasi-prototype model, and the size of the model can be reduced as much as possible under the condition that the test performance of the model is close to that of a real underwater tunnel structure model, so that the manufacturing cost and the manufacturing difficulty and the detection cost are reduced. Here, it should be noted that the structure of the partial region may be a region having a deformation joint structure, and the ratio of the size of the region to the size of the actual deformation joint structure is greater than or equal to 5, and particularly, the width of the deformation joint structure, that is, the size in the axial direction of the tunnel pipe section and the width of the actual deformation joint structure may be set to be the same or approximately the same, so as to ensure that the waterproofing process at the deformation joint of the model and the waterproofing process at the deformation joint in the actual engineering are consistent to the greatest extent.
Further preferably, the hoisting part and the model body are integrally cast; wherein, the pouring frame of hoist and mount portion includes: the lifting jig frame, the model base plate which is arranged on the lifting jig frame and bears the model body, a plurality of connecting ribs which are distributed on the lifting jig frame and are connected with the model base plate, a fine stone cushion layer arranged on the model base plate, and angle steel which is arranged on two opposite sides of the bottom and is used for fixing the model base plate and the fine stone cushion layer.
further preferably, the casting frame of the hoisting part comprises: the hoisting jig comprises a hoisting jig frame, a model bottom plate which is arranged on the hoisting jig frame and bears the model body, and a plurality of connecting ribs which are distributed on the hoisting jig frame and connected with the model bottom plate.
further preferably, the hoisting jig comprises: steel plates, i-beams and channel steels; a plurality of I-shaped steels are distributed and welded below the steel plate, and channel steels are welded at the I-shaped steel parts; the square direction of the channel steel is perpendicular to the length direction of the I-shaped steel, and the length direction of the channel steel is perpendicular to the axial direction of the tunnel pipe joint.
Further preferably, the casting frame of the hoisting part further comprises: the angle steel is arranged on two opposite sides of the bottom and used for fixing the model bottom plate and the fine stone cushion layer.
further preferably, the pouring frame of the model body comprises: and the plurality of reinforcing ribs are arranged along the axial extension of the model body and penetrate through the two adjacent tunnel pipe joints.
Further preferably, the method further comprises the following steps: the embedded steel plates are respectively arranged in the end faces of the head end and the tail end of the model body and are connected with the waterproof sealing plate in a sealing way; screw holes are equidistantly formed in the circumferential profile of the waterproof sealing plate in the area corresponding to the embedded steel plate; a cushion layer is arranged between the waterproof sealing plate and the end face of the model body.
further preferably, a camera is arranged in the cavity and is in communication connection with an external control device.
Further preferably, a plurality of cameras are arranged in the cavity in a rotatable manner; each camera is respectively arranged on four corners of the cavity.
Compared with the prior art, the utility model discloses following beneficial effect has:
The utility model provides a model body of tunnel structure model under water comprises a plurality of tunnel tube couplings to be equipped with the movement joint structure between two adjacent tunnel tube couplings, and, the head and the tail both ends of model body are equipped with waterproof sealing plate, consequently can be better simulate the atress condition of tunnel structure model under water in the environment under water of experimental hole, and can produce the waterproof sealing performance of the movement joint that the more real reflection of tunnel structure model under water according to the cavity in whether produce the infiltration condition. In addition, because the bottom of model body is equipped with hoist and mount portion, consequently, can play reinforced (rfd) effect to model body bottom, make the model body when making, it can set up a little with the real tunnel structure model under water between the proportion, become a quasi prototype model that becomes a nearly prototype proportion, and place in the test hole through the mode of hoist and mount, and make the model body in hoist and mount process, can avoid the movement joint structure to produce and destroy, not only make things convenient for the transportation operation, but also make the model body can be more real each item performance parameter of reflection tunnel structure model under water, especially whether movement joint structure construction process satisfies corresponding design requirement, thereby the precision of detection has been promoted.
Drawings
other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: the utility model discloses the structure sketch map of the underwater tunnel structure model in the first embodiment;
FIG. 2: the utility model discloses the section view of deformation seam structure in the model body in the first embodiment;
FIG. 3: the utility model discloses the arrangement schematic diagram of the deformation joint structure in the first embodiment;
FIG. 4: the utility model discloses the end face schematic diagram of the underwater tunnel structure model in the first embodiment;
FIG. 5: the structure of the waterproof sealing plate in the first embodiment of the utility model is shown schematically;
FIG. 6: the utility model discloses the flow chart of the model manufacturing method of the underwater tunnel structure in the second embodiment;
FIG. 7: a detailed flowchart of step S2;
FIG. 8: the utility model discloses the flow chart of the test method of the model of the underwater tunnel structure in the third embodiment;
FIG. 9: a detailed flowchart of step S01;
FIG. 10: the structure schematic diagram of the underwater tunnel structure model in the third embodiment of the utility model;
a model body 1;
A tunnel pipe section 11; a top portion 111; a sidewall 112; a bottom portion 113; a construction joint 114;
A deformation joint structure 12; an externally attached water stop 121; a removable water stop 122; a buried water stop 123;
A cavity 13;
A waterproof sealing plate 2; a screw hole 21;
A waterproof layer 3;
A hoisting part 4;
Hoisting the jig frame 41; a steel plate 411; an I-beam 412; a channel beam 413;
A mold base plate 42; angle steel 43; a fine stone cushion 44;
a camera 5;
pre-burying a steel plate 6;
A batten spacer 8;
And hoisting the rope 9.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
example 1
As shown in fig. 1 to 3, a first embodiment of the present invention provides an underwater tunnel structure model, which includes a model body 1 composed of N tunnel pipe sections 11 connected end to end, where N is a natural number greater than 1. In the present embodiment, only 2 tunnel pipe sections 11 are taken as an example for explanation.
A deformation joint structure 12 arranged between two adjacent tunnel pipe sections 11 so as to flexibly connect the two adjacent tunnel pipe sections 11;
waterproof sealing plates 2 arranged at the head end and the tail end of the model body 1 are used for sealing a cavity 13 in the model body 1 into a closed cavity;
The waterproof layer 3 is laid on the outer wall of the model body 1, wherein the waterproof layer 3 in the embodiment is preferably a waterproof coiled material;
And a hoisting part 4 arranged at the bottom 113 of the model body 1 and connected with the model body 1.
according to the above, the model body 1 of the underwater tunnel structure model is composed of the tunnel pipe sections 11, the deformation joint structure 12 is arranged between the two adjacent tunnel pipe sections 11, and the waterproof sealing plates 2 are arranged at the head end and the tail end of the model body 1, so that the stress condition of the underwater tunnel structure model can be better simulated in the underwater environment of the test pit, and the sealing waterproof performance of the deformation joint of the underwater tunnel structure model can be more truly reflected according to whether the water seepage condition is generated in the cavity. In addition, because the bottom 113 of model body 1 is equipped with hoist and mount portion 4, consequently, can play reinforced effect to model body 1 bottom 113, make model body 1 when the preparation, it and the real tunnel structure model under water between the proportion can set up a little great, become a accurate prototype model that is close to the prototype proportion, and place in the test hole through the mode of hoist and mount, and make model body 1 in hoist and mount in-process, can avoid deformation joint structure 12 to produce and destroy, not only convenient transportation operation, but also make model body 1 can be more real each item performance parameter of reflection tunnel structure model under water, especially whether deformation joint structure construction process satisfies corresponding design requirement, thereby the precision of detection has been promoted.
specifically, in the present embodiment, it is preferable that the ratio of the structural dimensions between the tunnel pipe section 11 and the actual tunnel pipe section 11 is 1:10, and the ratio of the structural sizes of the partial regions is more than or equal to 1: 5. therefore, the underwater tunnel structure model can become a better quasi-prototype model, and the size of the model can be reduced as much as possible under the condition that the test performance of the model is close to that of a real underwater tunnel structure model, so that the manufacturing cost and the manufacturing difficulty and the detection cost are reduced. Here, it should be noted that the structure of the partial region may be a region having the deformation joint structure 12, the ratio of the size of the region to the size of the actual deformation joint structure 12 is greater than or equal to 5, and especially, the width of the deformation joint structure 12, that is, the size in the axial direction of the tunnel pipe section 11 and the width of the actual deformation joint structure 12 may be set to be the same or approximately the same, so as to ensure that the waterproofing process at the deformation joint of the model and the waterproofing process at the deformation joint of the actual engineering are consistent to the greatest extent.
further preferably, the hoisting part 4 is integrally cast with the model body 1; wherein, hoist and mount portion 4 pour the frame and include: the hoisting jig frame 41 is arranged on the hoisting jig frame 41 and bears the model bottom plate 42 of the model body 1. The bottom 113 of each tunnel pipe section 11 is connected into a whole through the hoisting part 4 to carry out stressed movement, thereby facilitating hoisting transportation and preventing deformation generated in the hoisting transportation process from influencing subsequent tests.
and, the pouring frame of hoisting part still includes: a plurality of connecting ribs distributed on the hoisting jig frame 41 and connected with the model bottom plate 42. The hoisting jig frame 41 is fixedly connected with the model bottom plate 42 through the connecting ribs, so that the hoisting jig frame 41 can be better prevented from being separated from the model body 1 in the hoisting process
And, the pouring frame of hoisting part still includes: a fine stone bed 44 arranged on the model bottom plate 42, and angle steels 43 arranged on two opposite sides of the bottom 113 and used for fixing the model bottom plate 42 and the fine stone bed 44. Therefore, the angle steel 43, the fine stone cushion layer 44 and the model bottom plate 42 are matched and connected, so that the corner positions of the model body 1 are fixedly connected, and a double-protection effect is achieved.
Further, the cast frame of the model body 1 includes: and the reinforcing ribs are arranged along the axial extension of the model body 1 and penetrate through the two adjacent tunnel pipe joints 11. With the strengthening rib that sets up and run through two adjacent tunnel tube couplings 11 along the axial extension of model body 1 through a plurality of roots for each tunnel tube coupling 11 links together, can be better avoid it to produce in the transportation and warp, especially guaranteed that movement joint structure 12 is difficult for changing, does benefit to the waterproof sealing performance of test movement joint structure 12. It should be noted that the reinforcing rib in this embodiment may be formed by connecting original longitudinal reinforcing bars in an original tunnel segment, or may be a reinforcing bar separately provided.
It should be noted that the sling portion 4 and the model body 1 in this embodiment are integrally cast and formed by two-time casting, specifically, in the first casting process, the bottom portion 113 of the model body 1 is formed on the model bottom plate 42 by casting from the model bottom plate 42, then in the second casting process, the top portion 111 and the side wall 112 of the model body 1 are formed on the bottom portion 113 of the model body 1 by casting, and after the second casting process, the construction joint 114 is formed between the bottom portion 113 of the model body 1 and the side wall 112 of the model body 1.
In detail, as a preferable mode, the hoisting jig 41 in the present embodiment mainly comprises a steel plate 411, i-beams 412, channel steel 413, and the like, wherein a plurality of i-beams 412 are distributed and welded under the steel plate 411, and the channel steel 413 is welded at the bottom 113 of the i-beams 412; the direction of the channel 413 is perpendicular to the length direction of the i-beam 412, and the length direction of the channel 413 is perpendicular to the axial direction of the tunnel pipe joint 11. So as to restrain and guide the winding direction of the hoisting rope 9 through the groove body of the channel steel 413, and facilitate the subsequent hoisting of the underwater tunnel structure model.
in addition, in the present embodiment, the bottom 113 of each tunnel pipe joint 11 may be provided with a single channel 413, or two or more channel 413, and the present embodiment is only described by taking the example that the bottom 113 of each tunnel pipe joint 11 is welded with the single channel 413, and is not specifically limited and described. And the channel steel 413 arranged at the bottom 113 of each tunnel pipe section 11 is positioned at or near the axial central line of the tunnel pipe section 11, so that the channel steel 413 is stressed uniformly when being hoisted under the action of the hoisting rope 9.
note that the specification of the angle steel 43 in the present embodiment is preferably ≧ 100 × 8.
in addition, it is worth mentioning that the plurality of i-beams 412 are arranged under the steel plate 411 at equal intervals to ensure that the i-beams 412 are stressed uniformly, and deformation of the deformation joint structure 12 caused by local deformation is avoided, so that the test result is influenced. In the present embodiment, only 9 i-beams 412 are described as an example. And the thickness of the steel plate 411 is preferably 1 cm.
further preferably, as shown in fig. 2, a camera 5 is disposed inside the cavity 13 of the model body, and the camera 5 is in communication connection with an external control device. Therefore, when the underwater tunnel structure model is placed in the underwater environment of the test pit, the environment in the cavity can be monitored in real time on line through the camera 5, and if the water seepage situation occurs, the water seepage situation is monitored.
In detail, the camera 5 in this embodiment may be in wireless communication connection with an external control device, or may be electrically connected by laying a corresponding cable in the tunnel pipe joint 11, and this embodiment is described by taking only cable connection to ensure stable transmission of image signals as an example.
further, in the present embodiment, as shown in fig. 2, the plurality of cameras 5 are rotatably disposed in the cavity 13, so as to realize observation of various angles in the cavity 13. In addition, in the embodiment, only four cameras 5 are taken as an example for explanation, and each camera 5 is respectively disposed on four corners of the cavity 13, so as to realize 360-degree monitoring.
in detail, the deformation joint structure 12 further includes: the model comprises an externally-attached water stop 121 arranged on the outer wall of the model body 1, a detachable water stop 122 arranged on the inner wall of the model body 1, and a buried water stop 123 arranged between the outer wall and the inner wall. The buried water stop 123 is located between two adjacent tunnel pipe sections 11, such as a part a of the tunnel pipe section 11 and a part B of the adjacent tunnel pipe section 11 shown in fig. 3.
As shown in fig. 4 and 5, the underwater tunnel structure model in this embodiment further includes: and the embedded steel plates 6 are respectively arranged in the end faces of the head end and the tail end of the model body and are in sealing connection with the waterproof sealing plate 2. The flatness of the waterproof sealing plate 2 in the end face of the sealing model body 1 is guaranteed through the embedded steel plate 6, and the sealing connection performance of the waterproof sealing plate is also enhanced.
and, screw 21 has been seted up at the regional equidistance that corresponds pre-buried steel sheet 6 to the circumference profile of waterproof sealing plate 2 to compress tightly waterproof sealing plate 2 and model body 1's terminal surface each other through the nut, and realize the connection of dismantling between waterproof sealing plate 2 and the pre-buried steel sheet 6, make things convenient for inside the cavity 13 of experimenter business turn over model body 1, observe the inside condition of model body 1.
In addition, in the actual installation process, a cushion layer (not marked in the figure) can be arranged between the waterproof sealing plate 2 and the end face of the model body 1 so as to ensure the sealing and waterproof effects of the waterproof sealing plate 2 attached to the end face of the model body 1. The cushion layer in the present embodiment is preferably a rubber cushion layer of about 5 mm.
in addition, the waterproof sealing plate 2 in the present embodiment is preferably a transparent acrylic plate. So that the experimenter can observe the internal situation from the outside, and the weight of the waterproof sealing plate 2 is reduced to avoid the influence on the test of the model body 1.
in addition, it is worth mentioning that the model size in this embodiment is 3.62m long, 2.5m wide and 2.75m high, and the total weight of the model is about 40t, and this is taken as an example of a quasi-prototype model.
Example 2
the present application also provides a manufacturing method for manufacturing the underwater tunnel structure model in embodiment 1, as shown in fig. 6, including the following steps:
S1, building a pouring frame of the model body 1 and the hoisting part 4 in the embodiment;
S2, integrally pouring and molding the pouring frames of the model body 1 and the hoisting part 4, and arranging a deformation joint structure 12 between two adjacent tunnel pipe joints 11 in the model body 1 so as to flexibly connect the two adjacent tunnel pipe joints 11;
S3, mounting waterproof sealing plates 2 at the head end and the tail end of the model body 1 to seal the cavity 13 in the model body 1 into a closed cavity;
And S4, paving a waterproof layer 3 on the outer wall of the model body 1.
according to the above, the model body 1 of the underwater tunnel structure model is composed of the tunnel pipe sections 11, the deformation joint structure 12 is arranged between the two adjacent tunnel pipe sections 11, and the waterproof sealing plates 2 are arranged at the head end and the tail end of the model body 1, so that the stress condition of the underwater tunnel structure model can be better simulated in the underwater environment of the test pit, and the sealing waterproof performance of the deformation joint of the underwater tunnel structure model can be more truly reflected according to whether the water seepage condition is generated in the cavity. In addition, because the bottom 113 of model body 1 is equipped with hoist and mount portion 4, consequently, can play reinforced effect to model body 1 bottom 113, make model body 1 when the preparation, it and the real tunnel structure model under water between the proportion can set up a little more, become a prototype model, and place in the test hole through the mode of hoist and mount, and make model body 1 in hoist and mount in-process, can avoid the deformation joint structure 12 to produce and destroy, thereby make the atress condition of the reflection tunnel structure model under water that model body 1 can be more true, thereby promote the precision that detects.
Further preferably, the following sub-steps are included in step S1:
Step S11: and (3) manufacturing pouring frames of the model body 1 and the hoisting part 4, and arranging a plurality of reinforcing ribs along the axial extension of the model body 1 and penetrating through the two adjacent tunnel pipe joints 11.
Therefore, the deformation of the deformation joint structure 12 in the transportation process can be better avoided through the steps, especially the deformation joint structure 12 is not easy to change, and the waterproof sealing performance of the deformation joint structure 12 is favorably tested.
Further preferably, as shown in fig. 7, the following sub-steps are included in step S2:
Step S21: before the casting frame of the model body 1 and the hoisting part 4 is integrally cast and molded, a middle-buried water stop belt 123 of a deformation joint structure 12 is arranged between adjacent tunnel pipe sections 11 of the model body 1, and two opposite sides of the middle-buried water stop belt 123 are inserted into the corresponding tunnel pipe sections 11 respectively;
step S22: in the first casting process, casting is performed from the model base plate 42 and the bottom 113 of the model body 1 is formed on the model base plate 42, and then in the second casting process, the top 111 and the side wall 112 of the model body 1 are cast on the bottom 113 of the model body 1.
Step S23: after the casting frame of the model body 1 and the hoisting part 4 are integrally cast and molded, the externally attached water stop 121 in the deformation joint structure 12 is arranged on the outer wall of the model body 1; the detachable water stop 122 in the deformation joint structure 12 is arranged on the inner wall of the model body 1.
Further preferably, before step S3, the method further includes the following steps:
and step S5, arranging the camera 5 in the cavity 13, and enabling the camera 5 to be in communication connection with an external control device.
Therefore, when the underwater tunnel structure model is placed in the underwater environment of the test pit, the environment in the cavity can be monitored in real time in an online mode through the camera 5, and if the water seepage situation occurs, the water seepage situation is monitored.
Example 3
The present application further provides a testing method for testing the underwater tunnel structure model in any one of the above embodiments, as shown in fig. 8 to 10, including the following steps:
step S01, hoisting the underwater tunnel structure model into a test pit;
Step S02, injecting water into the test pit, stopping injecting water when the water depth in the test pit reaches a preset depth, carrying out underwater test according to set test time, and recording test parameters;
Step S03, removing the water injection in the test pit;
And step S04, determining the sealing and waterproof performance of the underwater tunnel structure model according to the recorded and sorted test parameters.
according to the above, the model body 1 of the underwater tunnel structure model is composed of the tunnel pipe sections 11, the deformation joint structure 12 is arranged between the two adjacent tunnel pipe sections 11, and the waterproof sealing plates 2 are arranged at the head end and the tail end of the model body 1, so that the stress condition of the underwater tunnel structure model can be better simulated in the underwater environment of the test pit, and the sealing waterproof performance of the deformation joint of the underwater tunnel structure model can be more truly reflected according to whether the water seepage condition is generated in the cavity. In addition, because the bottom 113 of model body 1 is equipped with hoist and mount portion 4, consequently, can play reinforced effect to model body 1 bottom 113, make model body 1 when the preparation, the proportion that it and real tunnel structure model under water between can set up is great, become a prototype model, and place in the test hole through the mode of hoist and mount, and make model body 1 in hoist and mount in-process, can avoid the deformation joint structure 12 to produce and destroy, and, according to the test parameter of record, the atress condition that can real reflection tunnel structure model under water, confirm tunnel structure model's waterproof sealing performance under water, with the precision that promotes the detection.
Here, it is worth mentioning that the hoisting rope 9 in the present embodiment is preferably a steel wire rope.
Further preferably, as shown in fig. 7, the following sub-steps are further included in step S01:
Step S011: arranging buffer spacers on two opposite sides of the underwater tunnel structure model;
step S012: wood spacers 8 are arranged on two opposite sides of the underwater tunnel structure model at intervals along the height direction of the underwater tunnel structure model, and the buffering spacers are positioned between the wood spacers 8 and the underwater tunnel structure model;
Step S013: winding a hoisting rope 9 to the bottom 113 of the hoisting part 4 along one side of the underwater tunnel structure model, winding the hoisting rope to the other side of the underwater tunnel structure model after penetrating through the bottom 113 of the hoisting part 4, and clamping a batten spacer 8 between the hoisting rope 9 and the underwater tunnel structure model in the winding process;
Step S014: and after the plurality of hoisting ropes 9 are equidistantly arranged along the axial direction of the underwater tunnel structure model and are wound according to the layout set in the step S013, hoisting the underwater tunnel structure model into the test pit by using a crane.
Therefore, through the combination of the steps, the underwater tunnel structure model can keep balance in the hoisting process, meanwhile, the deformation joint structure 12 is prevented from being damaged, and the anti-seismic performance in the transportation process is ensured.
In detail, in the present embodiment, the batten spacers 8 are preferably batten spacers 8 with a specification of 10cm × 10cm, and the distance between the batten spacers 8 is preferably 30-40 cm.
in addition, it is worth mentioning that, in this embodiment, the set depth of water injection in the test pit can be selected to be 4-6 meters according to actual needs, so as to meet the test depth requirement of a common test pit.
Further preferably, the step S03 further includes the following sub-steps:
Recording the depth of water injection and the depth of a test pit;
and determining the sealing and waterproof performance of the underwater tunnel structure model according to the image recorded by the camera 5 arranged in the underwater tunnel structure model.
The above embodiments are merely provided to illustrate the technical solution of the present invention, but not to limit the present invention, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the scope of the claims of the present invention should be covered thereby.
Claims (10)
1. an underwater tunnel structure model, comprising:
The model body is formed by N tunnel pipe sections which are connected end to end, wherein N is a natural number more than 1;
the deformation joint structure is arranged between two adjacent tunnel pipe sections so as to flexibly connect the two adjacent tunnel pipe sections;
The waterproof sealing plates are arranged at the head end and the tail end of the model body and are used for sealing the cavity in the model body into a closed cavity;
The waterproof layer is laid on the outer wall of the model body;
And the hoisting part is arranged at the bottom of the model body and is connected with the model body.
2. the underwater tunnel structural model of claim 1, wherein a ratio of structural dimensions between the tunnel pipe sections and actual tunnel pipe sections is greater than or equal to 1:10, and the ratio of the structural sizes of the partial regions is more than or equal to 1: 5.
3. the underwater tunnel structure model of claim 1, wherein the hoisting part is integrally cast with the model body;
Wherein, the pouring frame of hoist and mount portion includes: the hoisting jig frame and the model bottom plate are arranged on the hoisting jig frame and bear the model body.
4. The underwater tunnel structure model of claim 3, wherein the casting frame of the hoisting part further comprises: and a plurality of connecting ribs which are distributed on the hoisting jig frame and connected with the model bottom plate.
5. The underwater tunnel structure model of claim 3, wherein the hoisting jig frame comprises: steel plates, i-beams and channel steels; a plurality of I-shaped steels are distributed and welded below the steel plate, and channel steels are welded at the I-shaped steel parts; the square direction of the channel steel is perpendicular to the length direction of the I-shaped steel, and the length direction of the channel steel is perpendicular to the axial direction of the tunnel pipe joint.
6. the underwater tunnel structure model of claim 3, wherein the casting frame of the hoisting part further comprises: the angle steel is arranged on two opposite sides of the bottom and used for fixing the model bottom plate and the fine stone cushion layer.
7. the underwater tunnel structure model of claim 1, wherein the casting frame of the model body comprises: and the plurality of reinforcing ribs are arranged along the axial extension of the model body and penetrate through the two adjacent tunnel pipe joints.
8. The underwater tunnel structure model of claim 1, further comprising: the embedded steel plates are respectively arranged in the end faces of the head end and the tail end of the model body and are connected with the waterproof sealing plate in a sealing way; screw holes are equidistantly formed in the circumferential profile of the waterproof sealing plate in the area corresponding to the embedded steel plate; a cushion layer is arranged between the waterproof sealing plate and the end face of the model body.
9. the underwater tunnel structure model of claim 1, wherein a camera is disposed inside the cavity and is in communication connection with an external control device.
10. the underwater tunnel structure model of claim 9, wherein a plurality of cameras are provided and rotatably disposed in the cavity; each camera is respectively arranged on four corners of the cavity.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109616004A (en) * | 2018-12-28 | 2019-04-12 | 中交上海三航科学研究院有限公司 | Submerged tunnel structural model and preparation method thereof and test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616004A (en) * | 2018-12-28 | 2019-04-12 | 中交上海三航科学研究院有限公司 | Submerged tunnel structural model and preparation method thereof and test method |
| CN109616004B (en) * | 2018-12-28 | 2024-04-05 | 中交上海三航科学研究院有限公司 | Underwater tunnel structure model, manufacturing method and testing method thereof |
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Inventor after: Liu Zhanguo Inventor after: Zhu Hui Inventor after: Wu Feng Inventor after: Wang Qibiao Inventor after: Qiu Song Inventor after: Zhou Guoran Inventor after: Fu Yifan Inventor after: Fu Kun Inventor after: Yin Liaoyuan Inventor after: Ran Junming Inventor before: Liu Zhanguo Inventor before: Zhu Hui Inventor before: Wu Feng Inventor before: Wang Qibiao Inventor before: Qiu Song Inventor before: Zhou Guoran Inventor before: Fu Yifan Inventor before: Fu Kun Inventor before: Yin Liaoyuan Inventor before: Ran Junming |
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