Tunnel lining full-scale model experiment device

Abstract

The utility model provides a tunnel lining full-scale model experiment device, and relates to the technical field of tunnel lining full-scale model experiments. The tunnel lining full-scale model experiment device comprises a supporting portal frame, a plurality of hoisting straps are evenly installed on a supporting cross beam of the supporting portal frame at intervals in the transverse direction, hoisting mechanisms are installed on the hoisting straps, and a plurality of embedded parts are arranged on the outer surface of a lining full-scale model at intervals; the hoisting mechanism can be matched with the embedded part to adjust the angle of the lining full-scale model. Based on the technical scheme of the utility model, the tunnel lining full-scale model experiment device can adjust the angle of the tunnel lining full-scale model so as to simulate all parts such as a tunnel vault, a tunnel shoulder, a tunnel haunch and the like, so that the consumption and the difficulty of a full-scale test are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel lining full-scale model experiments, in particular to a tunnel lining full-scale model experiment device. Background Art

[0002] Tunnels are built underground. Due to factors such as materials, geology, and hydrology, tunnel support often exhibits various defects, such as lining cracks, lining voids, lining block loss, and lining leakage, posing significant risks to the tunnel's lifespan and driving safety. Industry researchers have conducted extensive research on these defects. Since on-site testing is difficult after tunnel casting, many industry researchers use scaled-down model testing to study tunnel support. However, scaled-down tests often struggle to replicate actual on-site conditions, and the results obtained can be significantly different from reality. Full-scale testing, however, is relatively unpopular due to the large size of the tunnel lining, the high cost of testing, and the difficulty of casting and transporting specimens.

[0003] Therefore, in order to restore the actual situation of the tunnel site as much as possible and reduce the cost and difficulty of full-scale tunnel lining testing, it is currently an urgent problem to be solved. Based on this, it is necessary to develop a full-scale tunnel lining model experimental device with adjustable angle. The full-scale lining model is a partial slice of the tunnel circumferential lining. By adjusting its angle, it can simulate various parts such as the tunnel vault, spandrel, and haunch, thereby reducing the cost and difficulty of full-scale testing. Utility Model Content

[0004] In response to the above-mentioned problems in the prior art, the present application proposes a full-scale model experimental device for tunnel lining, which can adjust the angle of the full-scale model of tunnel lining to simulate various parts such as the tunnel vault, arch shoulder, arch waist, etc., thereby reducing the cost and difficulty of full-scale testing.

[0005] The utility model provides a full-scale model experimental device for a tunnel lining. The full-scale model experimental device for a tunnel lining comprises a supporting portal frame, a plurality of lifting slings are uniformly installed at intervals along a supporting crossbeam of the supporting portal frame, a lifting mechanism is installed on the lifting slings, a plurality of embedded parts are arranged at intervals on the outer surface of the full-scale lining model, and the lifting mechanism can cooperate with the embedded parts to adjust the angle of the full-scale lining model.

[0006] As a further improvement of the above technical solution:

[0007] The above-mentioned lifting mechanism is a lifting hoist.

[0008] The above-mentioned full-scale model experimental device for tunnel lining further comprises a supporting portal frame including a supporting crossbeam and two supporting frames, wherein the supporting crossbeam is spanned on the two supporting frames.

[0009] The above-mentioned tunnel lining full-scale model experimental device further comprises: the support frame includes a support rod, a mounting plate is installed on the upper end of the support rod, a first oblique support rod is provided between the support rod and the mounting plate, and the support beam support is installed on the mounting plate.

[0010] The above-mentioned full-scale model experimental device for tunnel lining is further characterized in that a horizontal bottom rod is installed at the lower end of the support rod, and both ends of the horizontal bottom rod are connected to the support rod through a second oblique support rod.

[0011] The above-mentioned full-scale model experimental device for tunnel lining is further characterized in that rollers are installed on the horizontal bottom rods, and the support frame can move on the support surface through the rollers.

[0012] The above technical features can be combined in various suitable ways or replaced by equivalent technical features, as long as the purpose of the present invention can be achieved.

[0013] The present invention provides a full-scale tunnel lining model test device that, compared to existing technologies, has at least the following advantages: when a full-scale tunnel lining model test is required, multiple lifting mechanisms are aligned with multiple embedded parts, and the lifting height of each lifting mechanism is adjusted to adjust the angle of the full-scale lining model, thereby simulating the tunnel vault lining, tunnel spandrels, and arch haunches. This full-scale tunnel lining model test device can adjust the angle of the full-scale tunnel lining model to simulate various parts such as the tunnel vault, spandrels, and arch haunches, thereby reducing the cost and difficulty of full-scale testing.

[0014] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0016] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings, wherein:

[0017] Figure 1 A schematic diagram of the structure of a full-scale model experimental device for tunnel lining provided by an embodiment of the present utility model is shown;

[0018] Figure 2A structural schematic diagram of a full-scale model of a tunnel lining provided by an embodiment of the present utility model is shown.

[0019] In the drawings, like reference numerals are used for like parts, but the drawings are not necessarily true to scale.

[0020] Description of reference numerals:

[0021] 100-Tunnel lining full-scale model experimental device, 110-Support portal, 111-Support beam, 112-Support rod, 113-Mounting plate, 114-First inclined support rod, 115-Horizontal bottom rod, 116-Second inclined support rod, 117-Roller, 120-Lifting sling, 130-Lifting mechanism, 200-Full-scale lining model, 210-Embedded parts. DETAILED DESCRIPTION

[0022] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0025] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0026] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0027] The present invention will be further described below with reference to the accompanying drawings.

[0028] The embodiment of the present invention provides a full-scale model test device 100 for tunnel lining, which can adjust the angle of the full-scale model 200 of the tunnel lining to simulate various parts such as the tunnel vault, spandrel, and haunch, thereby reducing the cost and difficulty of full-scale testing.

[0029] See also Figure 1 and Figure 2 The present invention provides a full-scale model experimental device 100 for tunnel lining, which includes a support portal 110. A plurality of lifting slings 120 are evenly installed at intervals along the horizontal direction on a support beam 111 of the support portal 110. A lifting mechanism 130 is installed on the lifting slings 120. A plurality of embedded parts 210 are provided at intervals on the outer surface of the full-scale lining model 200. The lifting mechanism 130 can cooperate with the embedded parts 210 to adjust the angle of the full-scale lining model 200.

[0030] When testing a full-scale tunnel lining model 200, multiple hoisting mechanisms 130 are aligned with multiple embedded components 210, and the lifting height of each hoisting mechanism 130 is adjusted to adjust the angle of the full-scale lining model 200, thereby simulating the tunnel vault lining, tunnel spandrels, and haunches. The full-scale tunnel lining model testing device 100 provided in this embodiment of the utility model can adjust the angle of the full-scale tunnel lining model 200 to simulate various parts of the tunnel vault, spandrels, and haunches, thereby reducing the cost and difficulty of full-scale testing.

[0031] See also Figure 1 and Figure 2 In this embodiment, the lifting mechanism 130 is a hoist, and three lifting slings 120 are evenly spaced laterally along the support beam 111 supporting the portal frame 110. The full-scale lining model 200 is a partial slice of the tunnel circumferential lining. Its longitudinal length and circumferential angle are determined by actual experimental conditions. Four embedded parts 210 are placed within the full-scale lining model 200 during casting. After the casting and curing of the full-scale lining model 200 are completed, the full-scale lining model 200 can be lifted using the four embedded parts 210. The four embedded parts 210 are of the same size as the height of the exposed surface of the full-scale lining model 200. Two embedded parts 210 are located at the midpoint of a side of the full-scale lining model 200 and are at the same distance from the side of the full-scale lining model 200. The other two embedded parts 210 are located at the midpoint of the other side of the full-scale lining model 200 and are at the same distance from the side of the full-scale lining model 200.

[0032] The full-scale tunnel lining model experimental device 100 can adjust the angle of the full-scale tunnel lining model 200 within 180 degrees. The lifting chains of the left and right hoists pass through the left and right embedded parts 210 of the full-scale tunnel lining model 200 to lift the full-scale tunnel lining model 200. By adjusting the length of the lifting chains, the full-scale tunnel lining model 200 is horizontal, i.e., at 0 degrees. At this point, the full-scale tunnel lining model 200 corresponds to the lining of the tunnel vault. The lifting chain of the central hoist passes through any embedded part 210 at the front or rear of the full-scale tunnel lining model 200. By adjusting the length of the lifting chain, the angle of the full-scale tunnel lining model 200 is changed, thereby simulating the spandrels, haunches, and other parts of the tunnel.

[0033] The full-scale model experimental device 100 for tunnel lining provided in the embodiment of the present invention is specifically referred to Figure 1The support gantry 110 includes a support beam 111 and two support frames. The support beam 111 is arranged across the two support frames, and a plurality of lifting straps 120 are evenly spaced and installed on the support beam 111. In this embodiment, the support frame includes a support rod 112. A mounting plate 113 is installed on the upper end of the support rod 112. A first oblique support rod 114112 is provided between the support rod 112 and the mounting plate 113. The support beam 111 is supported and installed on the mounting plate 113. The first oblique support rod 114112 can reinforce the mounting plate 113 and improve the installation strength of the support beam 111. A horizontal bottom rod 115 is installed on the lower end of the support rod 112. Both ends of the horizontal bottom rod 115 are connected to the support rod 112 through a second oblique support rod 116112. The second oblique support rod 116112 can reinforce the horizontal bottom rod 115 and improve the installation strength of the horizontal bottom rod 115. The horizontal bottom rod 115 is provided with rollers 117, and the support frame can be moved on the support surface via the rollers 117. The rollers 117 facilitate the movement of the full-scale model experimental device 100 for tunnel lining.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0035] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It should be understood that many modifications may be made to the illustrative embodiments, and that other arrangements may be devised, without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the various dependent claims and features described herein may be combined in ways other than those described in the original claims. It should also be understood that features described in conjunction with individual embodiments may be employed in conjunction with other described embodiments.

Claims

1. A full-scale model experimental device for tunnel lining, characterized in that: The full-scale model experimental device for tunnel lining includes a supporting portal frame, a plurality of lifting slings are evenly installed at intervals along the horizontal direction on the supporting crossbeam of the supporting portal frame, a lifting mechanism is installed on the lifting slings, and a plurality of embedded parts are arranged at intervals on the outer surface of the full-scale lining model. The lifting mechanism can cooperate with the embedded parts to adjust the angle of the full-scale lining model.

2. The full-scale model test device for tunnel lining according to claim 1 is characterized in that: The hoisting mechanism is a lifting hoist.

3. The full-scale model test device for tunnel lining according to claim 1 is characterized in that: The supporting portal frame includes a supporting crossbeam and two supporting frames, and the supporting crossbeam is spanned on the two supporting frames.

4. The full-scale model test device for tunnel lining according to claim 3 is characterized in that: The support frame includes a support rod, a mounting plate is installed on the upper end of the support rod, a first oblique support rod is provided between the support rod and the mounting plate, and the support beam support is installed on the mounting plate.

5. The full-scale model test device for tunnel lining according to claim 4 is characterized in that: A horizontal bottom rod is installed at the lower end of the support rod, and both ends of the horizontal bottom rod are connected to the support rod through a second oblique support rod.

6. The full-scale model test device for tunnel lining according to claim 5 is characterized in that: Rollers are installed on the horizontal bottom rod, and the support frame can move on the support surface through the rollers.

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