CN-224231423-U - Linear acceleration loading test environment simulation system

CN224231423UCN 224231423 UCN224231423 UCN 224231423UCN-224231423-U

Abstract

The utility model provides a linear acceleration loading test environment simulation system which comprises a temperature simulation assembly, an illumination simulation assembly and a water simulation assembly, wherein the temperature simulation assembly comprises an air conditioner module, a heat lamp module and an underground coil pipe, the air conditioner module is arranged on the outer side of a machine shell of a linear acceleration loading device and is used for circularly ventilating the machine shell, the heat lamp module is arranged in the machine shell and radiates heat energy towards a test pavement, the underground coil pipe is buried in a roadbed below the test pavement and is used for circularly circulating a refrigerant or a heat medium, the illumination simulation assembly comprises an ultraviolet lattice light source arranged in the machine shell, the illumination intensity of the ultraviolet lattice light source is adjustable, the water simulation assembly comprises a spraying module arranged in the machine shell and a water seepage pipe network arranged in the roadbed, and the water seepage pipe network is arranged below the underground coil pipe. The environment simulation system for the linear acceleration loading test improves the data accuracy and reliability of the linear acceleration loading simulation test.

Inventors

YANG SONGYUAN
XU LINYUE
LIU HUIJIE
YAN FANGYONG
LIU LIN
HE WANLIN
YUE ZEYU
LI YAQI
LIU XIANG
ZHANG PENGCHENG

Assignees

北方工程设计研究院有限公司

Dates

Publication Date: 20260512
Application Date: 20250410

Claims (10)

1. The linear acceleration loading test environment simulation system is characterized by comprising a temperature simulation assembly, an illumination simulation assembly and a water simulation assembly, wherein the temperature simulation assembly comprises an air conditioning module, a heat lamp module and an underground coil, the air conditioning module is arranged on the outer side of a casing of a linear acceleration loading device and is used for circularly ventilating the casing, the heat lamp module is arranged in the casing and radiates heat energy towards a test pavement, the underground coil is buried in a roadbed below the test pavement and is used for circularly circulating a refrigerant or a heat medium, the illumination simulation assembly comprises an ultraviolet lattice light source arranged in the casing, the illumination intensity of the ultraviolet lattice light source is adjustable, the water simulation assembly comprises a spraying module arranged in the casing and a water seepage pipe network arranged in the roadbed, and the water seepage pipe network is arranged below the underground coil.
2. The system of claim 1, wherein the heat lamp module comprises an infrared lamp set and an infrared radiation plate set, wherein the infrared lamp set is positioned above a loading mechanism of the linear acceleration loading device and irradiates the test pavement, and the infrared radiation plate set is positioned below the loading mechanism and radiates heat to the test pavement.
3. The system for simulating the environment in a linear acceleration loading test according to claim 1, wherein the underground coil is connected to a refrigerator and a heater through a reversing valve, wherein the refrigerator is used for circularly introducing a refrigerant to the underground coil, and the heater is used for circularly introducing a heating medium to the underground coil.
4. The linear acceleration loading test environment simulation system of claim 3, wherein temperature sensors are connected to the two sides of the casing near the test pavement, and the air conditioning module, the refrigerator and the heater are all used for regulating and controlling own power based on temperature detection values of the temperature sensors.
5. The system of claim 1, wherein the illumination simulation assembly further comprises an illumination sensor and a light controller, the illumination sensor is used for detecting the illumination intensity of the ultraviolet lattice light source and feeding back to the light controller, and the light controller is used for regulating the illumination intensity of the ultraviolet lattice light source.
6. The system for simulating the environment of the linear acceleration loading test according to claim 1, wherein the spraying module comprises two rows of spraying pipes which are respectively connected to the inner walls of the two sides of the casing, each spraying pipe is provided with a plurality of spraying heads along the axial direction at intervals, and each spraying head sprays simulated rainwater towards the test pavement.
7. The system for simulating the environment of the linear acceleration loading test according to claim 6, wherein the spraying module further comprises a water storage tank, a water pump and a dosing device, the water pump is arranged in the water storage tank, the output end of the water pump is connected with the spraying pipe, a water temperature regulating and controlling component is arranged in the water storage tank, and the dosing device is connected with the water storage tank to regulate and control the PH value of water quality in the water storage tank.
8. The system for simulating the environment of a linear acceleration loading test of claim 1, wherein the water simulation assembly further comprises a water seepage well, the water seepage well being disposed in the ground laterally of the subgrade, the water seepage pipe network being in communication with the water seepage well.
9. The system for simulating the environment of a linear acceleration loading test of claim 8, wherein a water retaining wall is provided below and around the subgrade.
10. The system of any one of claims 1-9, further comprising a master control module electrically connected to the temperature simulation assembly, the illumination simulation assembly, and the water simulation assembly, respectively.

Description

Linear acceleration loading test environment simulation system Technical Field The utility model belongs to the technical field of pavement performance tests, and particularly relates to a linear acceleration loading test environment simulation system. Background The accelerated loading test is used for comprehensively simulating the actual service conditions of pavement materials and structures in special regional environments, simulating the axle load compositions of different vehicles, and performing the scientific research of the accelerated loading test of new structures, new materials and new processes by adopting a full-size test. Since different geographical locations have different environmental conditions, such as surface temperature, light intensity, rainfall, groundwater, etc., these all affect the results of the accelerated loading test. However, because the local construction of the site of the acceleration loading test is not realistic, the current acceleration loading test often ignores the influence of these environmental factors, so that the accuracy and reliability of the test data are insufficient, and the difference between the test data and the actual traffic road condition is large, and the problem needs to be solved. Disclosure of utility model The embodiment of the utility model provides a linear acceleration loading test environment simulation system, which aims to improve the data accuracy and reliability of a linear acceleration loading simulation test aiming at traffic pavement performances under different regional conditions. The technical scheme includes that the linear acceleration loading test environment simulation system comprises a temperature simulation assembly, an illumination simulation assembly and a water simulation assembly, wherein the temperature simulation assembly comprises an air conditioning module, a heat lamp module and an underground coil, the air conditioning module is arranged on the outer side of a machine shell of a linear acceleration loading device and used for circularly ventilating the machine shell, the heat lamp module is arranged in the machine shell and radiating heat energy towards a test pavement, the underground coil is buried in a roadbed below the test pavement and used for circularly circulating refrigerants or heating media, the illumination simulation assembly comprises an ultraviolet lattice light source arranged in the machine shell, the illumination intensity of the ultraviolet lattice light source is adjustable, the water simulation assembly comprises a spraying module arranged in the machine shell and a water seepage pipe network arranged in the roadbed, and the water seepage pipe network is arranged below the underground coil. In one possible implementation, the heat lamp module comprises an infrared lamp set and an infrared radiation plate set, wherein the infrared lamp set is positioned above a loading mechanism of the linear acceleration loading device and irradiates the test pavement, and the infrared radiation plate set is positioned below the loading mechanism and radiates and transfers heat to the test pavement. In some embodiments, the underground coil is connected to a refrigerator and a heater through a reversing valve, wherein the refrigerator is used for circularly introducing a refrigerant to the underground coil, and the heater is used for circularly introducing a heating medium to the underground coil. The temperature sensor is connected to the two sides of the shell near the test pavement, and the air conditioning module, the refrigerator and the heater are all used for regulating and controlling the self power based on the temperature detection value of the temperature sensor. The illumination simulation assembly further comprises an illumination sensor and a light controller, wherein the illumination sensor is used for detecting the illumination intensity of the ultraviolet lattice light source and feeding back to the light controller, and the light controller is used for regulating the illumination intensity of the ultraviolet lattice light source. In one possible implementation, the spraying module comprises two rows of spraying pipes which are respectively connected to the inner walls of the two sides of the casing, each spraying pipe is provided with a plurality of spray heads along the axial direction at intervals, and each spray head sprays simulated rainwater towards the test pavement. In some embodiments, the spraying module further comprises a water storage tank, a water pump and a dosing device, wherein the water pump is arranged in the water storage tank, the output end of the water pump is connected with the spraying pipe, a water temperature regulating and controlling component is arranged in the water storage tank, and the dosing device is connected with the water storage tank to regulate and control the PH value of water quality in the water storage tank. The water simulation assembly further compr