Modularized assembled water loading test system

Abstract

The application discloses a modular assembly type water loading test system, and belongs to the technical field of structure test, which comprises a loading structure system and a water quantity monitoring control system. In the application, the test system adopts modular units, is integrally provided with lateral supports, is stable and reliable in structure, and can adapt to test structure deformation in a loading process through connection design, so that the loading precision is improved. Each loading unit is independent and easy to combine, can be suitable for various test structure forms, can simulate various load modes, has strong universality, and is provided with standardized design standardization of structural component parts. Bolts are adopted for connection, the structure can be disassembled and reassembled, and has high recycling value. The water quantity monitoring control system adopts sensors and control elements, improves the automation level of the test system, improves the loading efficiency and the loading precision, greatly reduces the loading workload, and water as loading heavy objects can be recycled, so that the loading cost is low and the environmental influence is small.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of structure test, and particularly relates to a modularized and assembled water loading test system. BACKGROUND

[0002] As a fluid, water can effectively avoid the problems of gravity change caused by disturbance in the loading process and material moisture absorption, and can greatly reduce the loading workload and improve the loading accuracy through water flow control. In the field of structure test, the application of water loading mainly includes the following aspects: gravity loading by using a water tank and a water bag, ground treatment by using a water bag stack preloading, checking structure water tightness by directly using water body loading, realizing cooling by using circulating water loading, and rock permeability test by using water body pressurization.

[0003] In the process of large-scale loading of large structures, the following problems are mainly faced: 1. The loading structure is relatively complex, which is different from the loading of floor components. The water body directly contacts the floor to transfer the load. The loading device of the large structure needs to have a reliable support system to ensure safety and reliability during the loading process while ensuring effective transmission of gravity. 2. The deformation of the test structure has a great influence on the water body distribution. With the increase of the plane size of the test structure, the influence of the structure deflection will be amplified, thereby causing the unevenness of the water body distribution and affecting the stress condition of the structure.

[0004] In view of the above problems, the application adopts the mode of arranging the loading device above the structure, and realizes the loading of the structure by controlling the overlying water weight of the structure. This loading method has a simple operation procedure, can effectively improve the loading efficiency and loading accuracy, and is green, clean and has little influence on the environment. SUMMARY

[0005] In view of the deficiencies of the prior art, the application provides a modularized and assembled water loading test system, which solves the above problems.

[0006] To achieve the above object, the application is implemented by the following technical scheme: a modularized and assembled water loading test system, comprising: a loading structure system and a water quantity monitoring and control system, the loading structure system comprising a loading module, a force transmission system and a support system; the loading module is composed of a plurality of single modules, the single module is a module unit, the module units are connected through the force transmission system, a plurality of the module units form a module system, the module system is provided with lateral support by the support system, and the water quantity monitoring and control system is connected with the module system.

[0007] On the basis of the above technical scheme, the application further provides the following optional technical schemes:

[0008] Further technical solutions: the single module is composed of thin steel plates, and is divided into wall plates and a bottom plate. The wall plates are provided with four rib plates arranged around the wall plates to improve the bending stiffness of the wall plates. The four wall plates are divided into two types of wall plate A and wall plate B in a ribbed form. The bottom plate is provided with a hole near the middle part, and is connected with a water inlet and outlet component. Small round holes are arranged on the upper rib plate, the corresponding wall plate and the edge of the bottom plate, and the rib plate is connected with the wall plate and the bottom plate through bolts. The addition of the rib plate increases the overlapping area between different plate components, realizes the connection between the plate components and improves the water tightness of the module unit. The water inlet and outlet component is composed of a steel pipe and a hole round steel plate, and is inserted into the hole on the bottom plate of the module unit from the top. The lower end of the water inlet and outlet component is connected with a drain pipe and a water inlet pipe.

[0009] Further technical solutions: the force transmission system includes a module interconnecting component and a force transmission component. The module interconnecting component is composed of four connecting component parts. The connecting component parts are square steel pipes provided with vertical long holes and round holes. The connecting component parts and the rib plates of the module unit are connected through the vertical long holes to release the vertical constraint between the module units, so that the module units can adapt to the structural deformation during the loading process. The upper and lower ends of the surfaces of the four connecting component parts are provided with round holes to realize the assembly of the connecting component parts. The four connecting component parts are connected with the four module units through bolts passing through the long holes, and the four connecting component parts are fixed through bolts passing through the round holes. The force transmission component is composed of a force transmission support plate and a force transmission short column. The force transmission support plate is a square steel plate.

[0010] Further technical solutions: the support system includes an outer frame plate, an inclined strut and a connecting component. The outer frame plate is a profiled steel plate, which has the characteristics of high bending stiffness and light weight. The inclined strut is a steel pipe component, and the two ends are provided with pin joint nodes. The support system is connected through bolts. The connecting component is divided into three types according to the connected type, including profiled steel plate connection, inclined strut-profiled steel plate connection and inclined strut-ground connection. The profiled steel plate connection adopts an angle connecting component. A series of holes are arranged on the angle connecting component and the plate ribs of the profiled steel plate, and the plate ribs are fixed through bolts. The inclined strut-profiled steel plate connection is provided with a middle connecting pad plate between the inclined strut and the profiled steel plate. The middle connecting pad plate and the upper end pin joint plate of the inclined strut are provided with holes, and the inclined strut and the profiled steel plate are fixed through the middle connecting pad plate through bolts. The inclined strut-ground connection is provided with a hole in the lower end pin joint plate of the inclined strut, and the inclined strut is anchored to the ground through bolts.

[0011] Further technical solutions: the support system is a self-supporting structure, and the outer frame plate and the module unit are only in surface contact without fixed connection. The support system only provides lateral support and does not constrain the vertical displacement between the modules.

[0012] Further technical solutions: the water quantity monitoring control system comprises a water storage pool, an inlet and outlet water pipeline, a water electromagnetic valve, a water level sensor and a water quantity control panel; the water storage pool stores test water, is connected with the inlet and outlet water pipeline of the loading system through the inlet and outlet water ports, the inlet and outlet water pipeline adopts a main pipe-branch pipe mode, the inlet and outlet water pipeline branches are communicated with the inlet and outlet water port components of each module unit, all the inlet water branches are communicated with the inlet water main pipe, the inlet water main pipe is provided with a water supply pump at the end, all the outlet water branches are communicated with the outlet water main pipe, and the outlet water main pipe is provided with a drainage pump at the end, the inlet and outlet water pipeline main pipes are communicated with the water storage pool, and a water circulation system is formed by being closed to reduce the total water quantity of the test; the water electromagnetic valve is installed at one end of each inlet and outlet water branch close to the inlet and outlet water port components to control the inlet and outlet water quantity of each module unit; the water level sensor is installed in the middle of the bottom plate of each module unit to monitor the water level of each module unit during the loading process, and the water quantity control panel is connected with the water level sensor of each module unit, the water electromagnetic valve of each inlet and outlet water branch and the control element wire to complete the water quantity monitoring and control of the test system.

[0013] Further technical solutions: the test system monitors and controls the water quantity in each module unit through the water level sensor and the control element, releases the vertical constraint between each module unit through special connection design to adapt to the deformation of the test structure, realizes accurate application of the load, and ensures the lateral stability of the module system through the arrangement of the support system; the downward load transmission path of the test system is as follows: the gravity of the module unit to the force transmission supporting plate to the force transmission short column to the load point of the test structure.

[0014] Further technical solutions: the installation and use process of the loading system is as follows:

[0015] Test structure installation;

[0016] Force transmission component installation: according to the arrangement scheme of the load point, the connection between the force transmission component and the test structure is completed;

[0017] Single loading unit assembly: install the wall plate and the bottom plate of the module unit, install the inlet and outlet water port connectors, connect the inlet and outlet water branches, complete the water pipe numbering, install the water level sensor, and complete the sensor wire numbering;

[0018] Loading unit assembly: after the single loading unit assembly is completed, the four corners of the module unit are connected with the square steel pipe connector parts to form a spliced unit; based on the spliced unit, the connection of the corresponding square steel pipe connector parts of different spliced units is completed to form a basic unit, the basic unit is placed on the force transmission supporting plate of the corresponding force transmission component, and the process is repeatedly performed until the assembly of all loading units is completed;

[0019] Support structure installation: according to the position of the test structure, the wire positioning is performed, the ground support point position of the inclined support rod is determined, the connection of the inclined support rod and the corresponding profiled steel plate is completed, the support unit is formed, the inclined support rod at the lower part of the support unit is temporarily fixed with the ground, the profiled steel plates at the upper part of each support unit are fixed by the connecting piece, after the structure debugging is completed, the formal anchoring of the lower end of the inclined support rod and the ground is performed;

[0020] Water quantity monitoring control system installation: according to the water pipe number of each loading unit, all the water inlet pipes are connected to the total water inlet pipe, and the water supply pump is installed, all the water outlet pipes are connected to the total water outlet pipe, and the water outlet pump is installed; according to the wire number of the water level sensor of each loading unit and the water electromagnetic valve, all the wires are connected to the water quantity monitoring control panel, and finally the complete installation of the test system is completed;

[0021] Test system use: after the above-mentioned complete installation work is completed, the water supply pump and the water outlet pump are put into the water storage tank, the power supply is connected, the loading test is started, and the installation and operation of each component are checked; after the test run is successful, the formal loading is started, and in the formal loading process, the water quantity of each loading unit is monitored and controlled according to the data of the water quantity monitoring control panel, so as to complete the accurate application of the load of the test structure; after the loading system is used, the dismantling work is performed according to the reverse installation sequence, and after the dismantling, each component is properly stored, so as to be reused in the next test.

[0022] Beneficial effects

[0023] The application provides a modular assembly type water loading test system.

[0024] 1. The structure form adopts a modular unit, the loading process can adapt to the deformation of the test structure through connection design, and the loading precision is improved;

[0025] 2. Each loading unit is independent and easy to combine, can adapt to various structure forms and simulate various load modes, and has high universality;

[0026] 3. The whole body is provided with lateral support, and the structure is stable and reliable;

[0027] 4. The structure connection adopts bolt connection, the structure component is designed to be standardized, the disassembly and reassembly of the structure are easy to realize, and the recycling value is high;

[0028] 5. The water quantity monitoring control system adopts sensors and control elements, improves the automation level of the test system, improves the loading efficiency and loading precision, and greatly reduces the loading workload;

[0029] 6. Water can be recycled as a loading weight, has low loading cost and small environmental impact;

[0030] The test system is more accurate, efficient, green and economical. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A schematic diagram of the module unit structure of the present application.

[0032] Figure 2 A schematic diagram of the connection between the module units of the present application.

[0033] Figure 3 A schematic diagram of the connection between the modules of the present application.

[0034] Figure 4 A schematic diagram of the structure of the force transmission component of the present application.

[0035] Figure 5 A schematic diagram of the force transmission of the module system of the present application.

[0036] Figure 6 A schematic diagram of the support structure of the present application.

[0037] Figure 7 A schematic diagram of the structure of the test system of the present application.

[0038] Figure 8 A schematic diagram of the water quantity monitoring and control system of the present application.

[0039] Figure 9 A schematic diagram of a single loading unit of the present application.

[0040] Figure 10 A schematic diagram of the applicable loading surface shape, i.e., the module combination form, of the test system of the present application.

[0041] Figure 11 A schematic diagram of the applicable loading surface form of the test system of the present application.

[0042] Figure 12 A schematic diagram of the applicable load mode of the test system of the present application.

[0043] BRIEF DESCRIPTION OF DRAWINGS: 1, wall panel A; 2, wall panel B; 3, bottom panel; 4, water inlet and outlet component; 5, water level sensor; 6, drain pipe; 7, water inlet pipe; 8, water electromagnetic valve; 9, single module (module unit); 10, connection component part; 11, inter-module connection component; 12, force transmission component; 13, force transmission support plate; 14, force transmission short column; 15, diagonal bracing rod; 16, outer frame plate; 17, middle connection pad plate; 18, corner connection component; 19, test structure; 20, support system; 21, module system; 22, water storage pool; 23, water supply pump; 24, water drainage pump; 25, sensor lead wire; 26, control element lead wire; 27, water quantity control panel; 28, water body. DETAILED DESCRIPTION

[0044] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0045] The specific implementation of the present application will be described in detail below with reference to specific embodiments.

[0046] Please refer to Figures 1-12 According to an embodiment of the present application, a modular assembled water loading test system is provided. The test system is designed based on test system design principles and test system working principles. The test system comprises a loading structure system and a water quantity monitoring and control system. The loading structure system comprises a loading module, a force transmission system and a support system 20. The loading module is composed of a plurality of single modules 9. Each single module 9 is a module unit. The module units are connected through force transmission system components. A plurality of module units form a module system 21. The support system 20 provides lateral support for the module system 21. The water quantity monitoring and control system is connected with the module system 21.

[0047] Preferably, the test system design mainly includes module unit design, inter-module connection design, support structure design and water quantity monitoring and control system design. The module unit design meets the requirements of easy assembly and easy disassembly, and the module unit structure has reliable rigidity and reliable connection to ensure the safety and stability of the structure under the action of the water body 28. The inter-module connection design meets the requirements of adapting to structural deformation and effectively transmitting load. The design uses long-hole bolts to release the vertical constraint between modules while ensuring horizontal constraint, so that the module units are independent of each other and can vertically displace to adapt to structural deflection deformation. The support structure design meets the self-supporting requirement and only provides stable lateral support for the module system. It is completely independent of the test structure 19 and does not affect the free deformation of the test structure 19. It has no vertical constraint with the module system 21 and does not affect the vertical displacement between module units. The water quantity monitoring and control system design uses sensors and control elements to complete water quantity monitoring and control work, accurately controls the water quantity of each load unit at each load level during the loading process, and converts the system error caused by the self-weight of the module unit into equivalent water quantity and reflects it in the water loading process, thereby eliminating the system error caused by the self-weight of the module unit and improving the accuracy of loading.

[0048] Please refer to Figures 1-12As an embodiment of the present application, the single module 9 is made of thin steel plate, divided into wall plate and bottom plate 3, the wall plate is provided with four and four around arranged rib plate to improve the bending stiffness of the wall plate, the four wall plates are divided into wall plate A1 and wall plate B2 in the form of ribbed; the bottom plate 3 is provided with a hole near the middle part connected with the water inlet and outlet part 4, the upper part of the rib plate, the corresponding wall plate and the edge of the bottom plate are provided with small round holes, connected with each other by bolts, the addition of the rib plate increases the overlapping area between different plate parts, realizes the connection between the plate parts and improves the water tightness of the module unit; the water inlet and outlet part 4 is made of steel pipe and round steel plate with a hole, inserted into the reserved hole of the bottom plate 3 of the module unit from the top, the lower end of the water inlet and outlet part 4 is connected with the drain pipe 6 and the water inlet pipe 7.

[0049] Preferably, the bottom plate is made of thin steel plate with small bending stiffness, the bending stiffness is increased by adding ribs on the lower surface, or the thin steel plate is replaced by wood plate, which is thicker, has larger bending stiffness and is lighter than the thin steel plate.

[0050] Preferably, the force transmission system includes module interconnecting part 11 and force transmission part 12, the module interconnecting part 11 is made of four connecting part subparts 10, the connecting part subpart 10 is provided with vertical long hole and round hole; the surface of the connecting part subpart 10 connected with the rib plate of the module unit is provided with vertical long hole to release the vertical constraint between the module units, so that the module units can adapt to the structural deformation during loading, the upper and lower ends of the surface of the two connecting part subparts 10 are provided with round holes to realize the assembly of the connecting part subparts; the four connecting part subparts 10 are connected with the corresponding four module units through long holes by bolts, and the four connecting part subparts 10 are fixed with each other through the round holes by bolts; the force transmission part 12 is made of force transmission support plate 13 and force transmission short column 14, the force transmission support plate 13 is provided with square steel plate, in order to improve the reliability of the force transmission structure, the inclined stiffening rib is arranged between the force transmission support plate 13 and the force transmission short column 14 to improve the stiffness of the support plate.

[0051] Preferably, the support system 20 comprises the outer frame plate 16, the inclined strut 15 and the connecting component. The outer frame plate 16 is made of profiled steel plate, which has the characteristics of high bending stiffness and light weight. The inclined strut 15 is made of steel pipe, and the two ends are connected by pin joint. The support system 20 is connected by bolt connection. The connecting component is divided into three types according to the connected type, which are the profiled steel plate connection, the inclined strut 15-profiled steel plate connection and the inclined strut 15-ground connection. The profiled steel plate connection adopts the corner connecting piece 18, which is provided with a series of holes and is fixed with the plate rib of the profiled steel plate by bolt. The inclined strut 15-profiled steel plate connection is provided with the middle connecting pad plate 17 between the inclined strut 15 and the profiled steel plate. The middle connecting pad plate 17 and the upper end pin joint plate of the inclined strut are provided with holes, and the fixing of the inclined strut and the profiled steel plate is completed by bolt through the middle connecting pad plate 17. The inclined strut 15-ground connection is provided with a hole in the lower end pin joint plate of the inclined strut 15, and the anchoring with the ground is completed by bolt.

[0052] Preferably, the support system 20 is a self-supporting structure, and the outer frame plate 16 only has surface contact with the module unit without fixed connection. The support system 20 only provides lateral support and does not constrain the vertical displacement between the modules.

[0053] Preferably, the water quantity monitoring and control system comprises the water storage tank 22, the water inlet and outlet pipeline, the water electromagnetic valve 8, the water level sensor 5 and the water quantity control panel 27. The water storage tank 22 stores the loading test water 28, and is connected with the water inlet and outlet pipeline of the loading system through the water inlet and outlet. The water inlet and outlet pipeline adopts the main pipe-branch pipe mode, and the water inlet and outlet pipeline branch is connected to the water inlet and outlet component 4 of each module unit. All the water inlet branches are connected to the water inlet main pipe, and the end of the water inlet main pipe is provided with the water supply pump 23. All the water outlet branches are connected to the water outlet main pipe, and the end of the water outlet main pipe is provided with the drainage pump 24. The water inlet and outlet pipeline main pipe is connected to the water storage tank 22, and the water circulation system is closed to reduce the total water consumption of the test. The water electromagnetic valve 8 is installed at the end close to the water inlet and outlet component 4 of each water inlet and outlet branch to control the water quantity of each module unit. The water level sensor 5 is installed in the middle of the bottom plate 3 of each module unit to monitor the water level of each module unit during the loading process. The water quantity control panel 27 is connected with the water level sensor 5 of each module unit, the water electromagnetic valve 8 of each water inlet and outlet branch and the control element wire 26. According to the information collected by the water level sensor 5, the specific water quantity of each loading unit can be presented on the water quantity control panel 27, and the control of the water quantity in each module unit during the loading process can be completed in combination with the control element.

[0054] In the embodiment of the present application, the principle of easy disassembly and flexible assembly is followed in the design of the loading structure of the test system, the modular concept is introduced, the influence of the deflection deformation of the test structure 19 on the distribution of the water body 28 is solved, and the effective force transmission and reliable support of the loading structure are realized through special connection and lateral support design; in addition to the design of the loading structure, the addition of the water quantity monitoring and control system also ensures the high efficiency and high precision of the loading process; in addition, in order to improve the universality of the test system and enhance the recycling value of the test device, the modular test loading device can not only simulate various load distribution conditions of the same test structure by changing the water quantity in each loading unit, but also can adapt to the loading needs of test structures of various forms by changing the assembly form of each module unit.

[0055] Referring to Figures 1-12 , as an embodiment of the present application, the test system monitors and controls the water quantity in each module unit through the water level sensor 5 and the control element, releases the vertical constraint between each module unit 9 through special connection design to adapt to the deformation of the test structure 19, realizes accurate application of the load, and ensures the lateral stability of the module system through the arrangement of the support system 20; the downward load transmission path of the test system is: the gravity of the module unit to the force transmission support plate 13 to the force transmission short column 14 to the load point of the test structure 19.

[0056] Preferably, according to the working principle of the test system and the corresponding relationship between the parameters, the relevant load parameter conversion relationship of the water quantity monitoring and control system is as follows:

[0057] (1) Q water quantity, lm 2 The corresponding water depth is:

[0058]

[0059] (2) Q water quantity gravity: G Q = Qpg, which generates lm 2 Uniform load:

[0060]

[0061] (3) The self-weight G0 of the loading unit = m0g, which corresponds to lm 2 Uniform load:

[0062]

[0063] (4) The corresponding relationship between the uniform loads is:

[0064] p = p0+ p Q (4)

[0065] According to the above relationship, the relationship between the parameters in the loading system lm 2 is as follows:

[0066]

[0067] ① If h = q / A for a single loading unit, and H is replaced with h in formula (5), the relationship between the parameters is as follows:

[0068]

[0069] ①If h is relevant to the entire loading system 总 =Q 总 / (nA)orQ 总 =QnA, replace H with h in formula (5) 总 The relationships between its parameters are as follows:

[0070]

[0071] Where: Q-lm 2 Internal water volume (m 3 ), q - water volume in a single loading unit (m³) 3 ), Q 总 - Total water volume of the loading system (m³) 3 );H-lm 2 Water depth (m), h - water depth (m) within a single loading unit, h 总 - Overall water depth of the loading system (m); G Q - Loaded water weight (kN), m0 - Weight of a single loading unit (kg), A - Base area of ​​a single loading unit (m²) 2 The p-loading system generates a uniformly distributed load value (kN / m). 2 ), p Q -Q Water volume generates uniformly distributed load (kN / m) 2 p0 - Uniformly distributed load generated by the self-weight of the loading unit (kN / m) 2 ), n - number of loading units; water density ρ = 1000 (kg / m³) 3 The acceleration due to gravity, g, is 10 N / kg.

[0072] Preferably, the installation and usage process of the loading system is as follows:

[0073] (1) Installation of test structure 19;

[0074] (2) Installation of force transmission component 12: According to the load point layout scheme, complete the connection between force transmission component 12 and test structure 19;

[0075] (3) Assembly of a single loading unit: Install the wall panel and base plate 3 of the module unit, install the inlet and outlet connectors 4, connect the inlet and outlet branch pipes, and complete the water pipe numbering, install the water level sensor 5, and complete the sensor wire numbering 25.

[0076] (4) Loading unit assembly: after the assembly of a single loading unit is completed, the four corners of the module unit 9 are connected with the square steel pipe connecting piece 10 to form a spliced unit; based on the spliced unit, the connection of the corresponding square steel pipe connecting piece 10 of different spliced units is completed to form a group of basic units, and the basic units are placed on the force transmission support plate of the corresponding force transmission component 12, and the process is repeated until the assembly of all loading units is completed;

[0077] (5) Support structure installation: according to the position of the test structure 19, the position of the ground support point of the diagonal bracing rod 15 is determined, the connection of the diagonal bracing rod 15 and the corresponding profiled steel plate is completed, a support unit is formed, the diagonal bracing rod 15 at the lower part of the support unit is temporarily fixed to the ground, and the profiled steel plates at the upper part of each support unit are fixed by connecting pieces. After the structure is debugged, the lower end of the diagonal bracing rod 15 is formally anchored to the ground;

[0078] (6) Water quantity monitoring and control system installation: according to the water pipe number of each loading unit, all the water inlet pipes 7 are connected to the total water inlet pipe 7, and the water supply pump 23 is installed, all the water outlet pipes 6 are connected to the total water outlet pipe 6, and the water outlet pump 24 is installed; according to the wire number of the water level sensor 5 and the water electromagnetic valve 8 of each loading unit, all the wires are connected to the water quantity monitoring and control panel 27, and finally the entire test system is installed;

[0079] (7) Test system use: after the above installation work is completed, the water supply pump 23 and the water outlet pump 24 are put into the water storage tank 22, the power supply is connected, the loading test is started, and the installation and operation of each component are checked; after the test run is successful, the formal loading is started, and during the formal loading, the water quantity of each loading unit is monitored and controlled according to the data of the water quantity monitoring and control panel to accurately apply the load of the test structure; after the use of the loading system is completed, the disassembly work is carried out in the reverse order, and each part is properly stored for reuse in the next test.

[0080] Preferably, the test system has strong universality and practicality, which is specifically reflected in two aspects of structure form and load mode. The structure form can realize the change of the loading surface shape by adopting different combination forms of the module unit 9, so as to adapt to structures of different plane forms, and can realize the loading of structures of different curved forms by changing the length of the force transmission short column 14 in the force transmission component 12. The load mode can be divided into uniform load mode and non-uniform load mode. The uniform load mode means that the water quantities of each loading unit are the same, and the non-uniform load mode means that different loading units have different water quantities.

[0081] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0082] While the embodiments of the application have been shown and described herein, it is to be understood that the scope of the application, jointly pointed out in the appended claims, is not to be limited to the above-described embodiments but can be otherwise variously changed, modified, replaced, and altered within the principles and spirit of the present application.

Claims

1. A modular, assembled water loading test system, characterized in that, include: The loading structure system and the water volume monitoring and control system are provided. The loading structure system includes a loading module, a force transmission system and a support system (20). The loading module is composed of several individual modules (9). Each individual module (9) is a module unit. The module units are connected through the force transmission system. Several module units form a module system (21). The module system (21) is laterally supported by the support system (20). The water volume monitoring and control system is connected to the module system (21). The force transmission system includes inter-module connectors (11) and force transmission components (12). The inter-module connectors (11) are assembled from four connector sub-components (10). Each connector sub-component (10) is a square steel tube with vertical elongated holes and round holes. The surfaces of each connector sub-component (10) connected to the ribs of the module unit have vertical elongated holes to release the vertical constraints between the module units and allow the module units to adapt to structural deformation during loading. The upper and lower ends of the surfaces of the four connector sub-components (10) that fit together in pairs have round holes to realize the assembly between the connector sub-components. The four connector sub-components (10) are connected to the four module units respectively by bolts passing through the elongated holes. The four connector sub-components (10) are fixed to each other by bolts passing through the round holes. The force transmission component (12) consists of a force transmission support plate (13) and a force transmission short column (14). The force transmission support plate (13) is a square steel plate. The support system (20) includes an outer frame plate (16), diagonal braces (15), and connecting components. The outer frame plate (16) is made of profiled steel sheet, which has the characteristics of high bending stiffness and light weight. The diagonal braces (15) are made of steel pipe members with pin joints at both ends. All connections of the support system (20) are bolted. The connecting components are divided into three types according to the connection type: connection between profiled steel sheets, connection between diagonal braces (15) and profiled steel sheet, and connection between diagonal braces (15) and ground. The connection between profiled steel sheets uses corner connectors (1). 8) The corner connector (18) has a series of holes and is fixed to the profiled steel plate rib with bolts. The diagonal brace (15) is connected to the profiled steel plate. A middle connecting pad (17) is provided between the diagonal brace (15) and the profiled steel plate. The middle connecting pad (17) and the upper end pin node plate of the diagonal brace are opened. The diagonal brace and the profiled steel plate are fixed by bolts through the middle connecting pad (17). The diagonal brace (15) is connected to the ground. The lower end pin node plate of the diagonal brace (15) is opened. The anchoring with the ground is completed by bolts.

2. The modular assembly-type water loading test system according to claim 1, characterized in that, The single module (9) is made of thin steel plate and is divided into wall plate and bottom plate (3). The wall plate is provided with four ribs arranged around it to improve the bending stiffness of the wall plate. The four wall plates are divided into two types according to the rib form: wall plate A (1) and wall plate B (2). The bottom plate (3) has an opening near the middle to connect with the inlet and outlet components (4). The upper part of the ribs on the wall plate and the edges of the corresponding wall plate and bottom plate have small round holes and are connected to each other by bolts. The addition of the ribs increases the overlapping area between different plates, realizes the connection between the plates and improves the water tightness of the module unit. The inlet and outlet components (4) are made of steel pipe and perforated round steel plate and are inserted into the opening on the bottom plate (3) of the module unit from above. The lower end of the inlet and outlet components (4) is connected to the drain pipe (6) and the inlet pipe (7).

3. The modular assembly-type water loading test system according to claim 2, characterized in that, The support system (20) includes an outer frame plate (16), diagonal braces (15), and connecting components. The outer frame plate (16) is made of profiled steel sheet, which has the characteristics of high bending stiffness and light weight. The diagonal braces (15) are made of steel pipe members with pin joints at both ends. All connections of the support system (20) are bolted. The connecting components are divided into three types according to the connection type: connection between profiled steel sheets, connection between diagonal braces (15) and profiled steel sheet, and connection between diagonal braces (15) and ground. The connection between profiled steel sheets uses corner connectors (1). 8) The corner connector (18) has a series of holes and is fixed to the profiled steel plate rib with bolts. The diagonal brace (15) is connected to the profiled steel plate. A middle connecting pad (17) is provided between the diagonal brace (15) and the profiled steel plate. The middle connecting pad (17) and the upper end pin node plate of the diagonal brace are opened. The diagonal brace and the profiled steel plate are fixed by bolts through the middle connecting pad (17). The diagonal brace (15) is connected to the ground. The lower end pin node plate of the diagonal brace (15) is opened. The anchoring with the ground is completed by bolts.

4. The modular assembly-type water loading test system according to claim 3, characterized in that, The support system (20) is a self-supporting structure. The outer frame plate (16) and the module unit are only in surface contact and have no fixed connection. The support system (20) only provides lateral support and does not restrict vertical misalignment between modules.

5. The modular assembly-type water loading test system according to claim 4, characterized in that, The water volume monitoring and control system includes a water storage tank (22), inlet and outlet water pipelines, water solenoid valves (8), water level sensors (5), and a water volume control panel (27). The water storage tank (22) stores water for the loading test (28) and is equipped with inlet and outlet water inlets connected to the inlet and outlet water pipelines of the loading system. The inlet and outlet water pipelines are arranged in a main pipe-branch pipe pattern. The branch pipes of the inlet and outlet water pipelines are connected to the inlet and outlet water inlet components (4) of each module unit. All inlet branch pipes are connected to the main inlet water pipe. A water supply pump (23) is installed at the end of the main inlet water pipe. All outlet branch pipes are connected to the main outlet water pipe. A drain pump is installed at the end of the main outlet water pipe. (24) The main inlet and outlet water pipes are connected to the water storage tank (22) and closed to form a water circulation system to reduce the total water consumption of the test; the water solenoid valve (8) is installed at one end of each inlet and outlet branch pipe near the inlet and outlet component (4) to control the water volume of each module unit; the water level sensor (5) is installed in the middle of the bottom plate (3) of each module unit to monitor the water level of each module unit during the loading process; the water volume control panel (27) is connected to the water level sensor (5) on each module unit, the water solenoid valve (8) on each inlet and outlet branch pipe and the control element wire (26) to complete the water volume monitoring and control of the test system.

6. The modular assembly-type water loading test system according to claim 5, characterized in that, The installation and usage process of the loading system is as follows: (1) Installation of the test structure (19); (2) Installation of force transmission component (12): According to the load point layout scheme, complete the connection between the force transmission component (12) and the test structure (19); (3) Assembly of a single loading unit: Install the wall panel and base plate (3) of the module unit, install the inlet and outlet components (4), connect the inlet and outlet branch pipes, and complete the water pipe numbering, install the water level sensor (5), and complete the sensor wire (25) numbering; (4) Loading unit assembly: After a single loading unit is assembled, the four corners of the single module (9) are connected to the square steel pipe connector (10) to form a splicing unit; based on the splicing unit, the corresponding square steel pipe connector (10) of different splicing units is connected to form a set of basic units. The basic units are placed on the force transmission support plate of the corresponding force transmission component (12) and repeated until the assembly of all loading units is completed. (5) Installation of support structure: According to the position of the test structure (19), lay out the positioning and determine the ground support point position of the diagonal brace (15). Complete the connection between the diagonal brace (15) and the corresponding profiled steel plate to form a support unit. The diagonal brace (15) at the bottom of the support unit is temporarily fixed to the ground. The profiled steel plates of each support unit at the top are fixed with connectors. After the structure is debugged, the lower end of the diagonal brace (15) is formally anchored to the ground. (6) Installation of water volume monitoring and control system: According to the water pipe number of each loading unit, connect all water inlet pipes (7) to the main water inlet pipe (7) and install water pump (23); connect all drain pipes (6) to the main drain pipe (6) and install drain pump (24); according to the wire number of the water level sensor (5) and water solenoid valve (8) of each loading unit, connect all wires to the water volume control panel (27) to complete the installation of the test system. (7) Use of the test system: After all the above installation work is completed, put the water supply pump (23) and drainage pump (24) into the water storage tank (22), connect the power supply, start the load test, and check the installation and operation of each component; after the trial run is successful, start the formal load. During the formal load process, monitor and control the water volume of each loading unit according to the data of the water volume monitoring control panel, so as to complete the accurate application of the test structure load; after the load system is used, dismantle it in reverse installation order. After dismantling, keep each component properly for reuse in the next test.

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