CN220040147U - Asphalt cold patch construction workability testing device - Google Patents

Asphalt cold patch construction workability testing device Download PDF

Info

Publication number
CN220040147U
CN220040147U CN202320075918.7U CN202320075918U CN220040147U CN 220040147 U CN220040147 U CN 220040147U CN 202320075918 U CN202320075918 U CN 202320075918U CN 220040147 U CN220040147 U CN 220040147U
Authority
CN
China
Prior art keywords
heating seat
asphalt cold
cold patch
patch construction
heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320075918.7U
Other languages
Chinese (zh)
Inventor
周敏
孟大威
李超
龙国鑫
尹瑞斌
方一鸣
方杨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Road And Bridge Maintenance Co ltd
Foshan Communications Technology Co ltd
Original Assignee
Foshan Road And Bridge Maintenance Co ltd
Foshan Communications Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Road And Bridge Maintenance Co ltd, Foshan Communications Technology Co ltd filed Critical Foshan Road And Bridge Maintenance Co ltd
Priority to CN202320075918.7U priority Critical patent/CN220040147U/en
Application granted granted Critical
Publication of CN220040147U publication Critical patent/CN220040147U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The utility model discloses a testing device for workability of asphalt cold patch construction, which comprises a sample holding cylinder, a vibration mechanism and a heating seat, wherein the heating seat is connected with the vibration mechanism, and the sample holding cylinder seat is arranged on the heating seat or sleeved in the heating seat. The testing device for the workability of asphalt cold-patch construction has a simple structure, and can efficiently and rapidly evaluate the fluidity of asphalt cold-patch construction.

Description

Asphalt cold patch construction workability testing device
Technical Field
The utility model relates to the technical field of cold-patch performance testing equipment, in particular to a testing device for workability of asphalt cold-patch construction.
Background
Under the influence of traffic load and environmental factors, early diseases such as particle falling, peeling and pit and groove can appear on the asphalt pavement. In order to prevent diseases from continuing to develop, deteriorating and causing other subsequent problems, and to affect the safety and comfort of a driving vehicle, it is required to repair the diseases rapidly, timely and effectively. The asphalt cold-patch is an asphalt mixture which is prepared by mixing mineral aggregate heated to about 100 ℃ with diluted diesel asphalt at about 80 ℃ and other additives. The cold patch is in a loose state at normal temperature, and in actual restoration, workers pour the cold patch into the disease position and compact the cold patch to restore traffic. As the asphalt cold patch has the advantages of convenience, rapidness and the like, the asphalt cold patch is widely applied to the repair of early diseases of asphalt pavement.
In the use process of the asphalt cold-patch, the fluidity of the asphalt cold-patch is important. The cold-patch material with poor fluidity is difficult to compact, asphalt mixture at the lesion cannot be adhered, and the repair position can be destroyed again in later use due to the actions of vehicle load and water flushing.
At present, most cold-patch production and use units mainly rely on methods such as hand breaking, visual inspection and the like, flowability is evaluated through subjective feeling, the reliability of a judgment result is poor, and a standardized and accurate evaluation system cannot be formed; the construction fluidity is evaluated by adopting a penetration strength test method specified in asphalt pavement pit finished product cold repair materials (JT/T972-2015) by other units, but the method needs longer time, is greatly influenced by the environmental temperature, needs to penetrate into a sample for multiple times for test reading, and is troublesome to operate.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a testing device for asphalt cold-patch construction workability, which has a simple structure and can efficiently and rapidly evaluate the asphalt cold-patch construction fluidity.
In order to solve the technical problems, the utility model provides a testing device for workability of asphalt cold patch construction, which comprises a sample holding cylinder, a vibration mechanism and a heating seat, wherein the heating seat is connected with the vibration mechanism, and the sample holding cylinder seat is arranged on the heating seat or sleeved in the heating seat.
As an improvement of the scheme, the heating seat is provided with a heating wire or a heat preservation layer along the circumferential outer wall of the sample holding cylinder.
As the improvement of above-mentioned scheme, vibration mechanism includes vibrating motor and support frame, heating seat and vibrating motor all with the support frame is fixed.
As the improvement of above-mentioned scheme, be equipped with the support on the support frame, the heating seat with the support is fixed, the top of heating seat seted up with hold the holding tank of appearance section of thick bamboo looks adaptation, hold a appearance section of thick bamboo can take out the ground and set up in the holding tank.
As the improvement of above-mentioned scheme, the support frame includes roof, bottom plate and pressure spring, the both ends of pressure spring respectively with roof, bottom plate butt, the heating seat with the top surface of roof is fixed.
As an improvement of the above scheme, the vibration motors are arranged along the circumferential array of the sample holding cylinder.
As an improvement of the scheme, the vibration motor and the pressure springs are arranged in one-to-one correspondence.
As an improvement of the scheme, the sample holding cylinder or the heating seat is provided with scales along the axial direction.
As an improvement of the scheme, the sample holding cylinder is made of transparent materials, and the heating seat is axially provided with a strip-shaped window.
The implementation of the utility model has the following beneficial effects:
according to the utility model, the vibration mechanism and the heating seat are arranged, the sample containing cylinder seat is arranged on the heating seat or sleeved in the heating seat, meanwhile, the heating seat is connected with the vibration mechanism, so that the heating and vibration of samples in the sample containing cylinder are realized, on one hand, the vibration mechanism can better simulate the vibration and pressure of asphalt cold-patch materials in construction engineering, on the other hand, the heating and vibration can both increase the fluidity of the samples in the sample containing cylinder, which is equivalent to the amplification of the fluidity difference between the samples, so that the samples in the sample containing cylinder are subjected to height change in a shorter time, and the fluidity of the cold-patch materials can be rapidly and intuitively evaluated according to the height change values of different samples in the sample containing cylinder under the same vibration frequency and test temperature, thereby facilitating selection of the cold-patch materials with good workability;
the test time is greatly shortened by vibrating and heating the test sample, so that the test efficiency can be improved;
in addition, the heating seat can keep the required temperature of the cold compensation material in the whole test process, the change condition of the cold compensation material under the actual environment temperature can be better simulated, meanwhile, the test error caused by the change of the external environment temperature is avoided, and the reliability of the test result is improved.
Drawings
FIG. 1 is a schematic structural view of an embodiment of an apparatus for testing workability in asphalt cold-patch construction according to the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 1, the utility model discloses an embodiment of a testing device for workability of asphalt cold patch construction, which comprises a sample holding cylinder 1, a vibration mechanism and a heating seat 3, wherein the heating seat 3 is connected with the vibration mechanism, and the sample holding cylinder 1 is arranged on the heating seat 3 or sleeved in the heating seat 3.
According to the embodiment, the vibration mechanism and the heating seat 3 are arranged, the sample containing cylinder 1 is arranged on the heating seat 3 or sleeved in the heating seat 3, meanwhile, the heating seat 3 is connected with the vibration mechanism, so that heating and vibration of samples in the sample containing cylinder 1 are realized, on one hand, the vibration mechanism can better simulate vibration and pressure of asphalt cold-patch materials in construction engineering, on the other hand, the heating and vibration can both increase the fluidity of the samples in the sample containing cylinder 1, which is equivalent to amplifying the fluidity difference between the samples, so that the samples in the sample containing cylinder 1 are subjected to height change in a shorter time, and under the same vibration frequency and test temperature, quantitative evaluation can be rapidly and intuitively carried out on the fluidity of the cold-patch materials according to the height change values of different samples in the sample containing cylinder 1, and the cold-patch materials with good workability are conveniently selected; the test time is greatly shortened by vibrating and heating the test sample, so that the test efficiency can be improved; in addition, the heating seat 3 can keep the required temperature of the cold compensation material in the whole test process, the change condition of the cold compensation material under the actual environment temperature can be better simulated, meanwhile, the test error caused by the change of the external environment temperature is avoided, and the reliability of the test result is improved.
Preferably, the heating seat 3 is provided with a heating wire or a heat insulation layer along the peripheral outer wall of the sample holding cylinder 1, so that the environment temperature can be better simulated, and the temperature of the sample in the sample holding cylinder 1 is more uniform.
The vibration mechanism specifically comprises a vibration motor 21 and a support frame 22, and the heating seat 3 and the vibration motor 21 are both fixed with the support frame 22.
Preferably, the support frame 22 is provided with a support 23, the heating seat 3 is fixed with the support 23, a holding groove matched with the sample holding cylinder 1 is formed in the top of the heating seat 3, and the sample holding cylinder 1 is arranged in the holding groove in a detachable manner, so that the sample holding cylinder 1 is convenient for holding and pouring materials.
The support 22 specifically includes a top plate 221, a bottom plate 222, and a compression spring 223, two ends of the compression spring 223 respectively abut against the top plate 221 and the bottom plate 222, and the heating seat 3 is fixed to the top surface of the top plate 221. The vibration motor 21 is fixed to the top surface of the top plate 221, and is preferably disposed in one-to-one correspondence with the compression springs 223, so as to enhance the vibration effect. The vibration motors 21 are arranged along the circumferential array of the sample containing barrel 1 so as to ensure the uniformity of the vibration effect of the sample in the sample containing barrel 1.
For intuitively and quantitatively evaluating the fluidity of the cold patch, the sample holder 1 in this embodiment is preferably made of a transparent material, the heating seat 3 is axially provided with a strip window 31, and the sample holder 1 or the heating seat 3 is axially provided with scales. The height change value of the sample in the sample containing cylinder 1 is read through the window 31 and the scales, so that cold patch materials with workability meeting the requirements can be conveniently selected, and the adhesiveness between the cold patch materials and asphalt mixtures at the lesion and the durability of asphalt pavement disease repair are improved.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims (9)

1. The utility model provides a testing arrangement of pitch cold patch construction workability, its characterized in that includes flourishing appearance section of thick bamboo, vibration mechanism and heating seat, the heating seat with vibration mechanism links to each other, flourishing appearance section of thick bamboo seat is established on the heating seat, perhaps the cover is established in the heating seat.
2. The asphalt cold patch construction workability testing device according to claim 1, wherein the heating seat is provided with a heating wire or a heat-insulating layer along the outer wall of the circumference of the sample holding cylinder.
3. The asphalt cold patch construction workability testing apparatus according to claim 1 or 2, wherein the vibration mechanism includes a vibration motor and a support frame, and the heating seat and the vibration motor are both fixed to the support frame.
4. The asphalt cold patch construction workability testing device according to claim 3, wherein a support is arranged on the support frame, the heating seat is fixed with the support, a containing groove matched with the sample containing cylinder is formed in the top of the heating seat, and the sample containing cylinder is arranged in the containing groove in a extractable manner.
5. The asphalt cold patch construction workability testing device according to claim 3, wherein the supporting frame comprises a top plate, a bottom plate and a pressure spring, two ends of the pressure spring are respectively abutted to the top plate and the bottom plate, and the heating seat is fixed with the top surface of the top plate.
6. A device for testing workability in asphalt cold patch construction as defined in claim 3, wherein said vibration motors are arranged in a circumferential array along said cartridge.
7. The asphalt cold patch construction workability testing device according to claim 5, wherein the vibration motor is provided in one-to-one correspondence with the compression springs.
8. The asphalt cold patch construction workability testing apparatus according to claim 1, wherein the cartridge or the heating seat is provided with graduations along an axial direction.
9. The asphalt cold patch construction workability testing apparatus as defined in claim 8, wherein said cartridge is made of a transparent material, and said heating base is provided with an elongated window along an axial direction.
CN202320075918.7U 2023-01-10 2023-01-10 Asphalt cold patch construction workability testing device Active CN220040147U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320075918.7U CN220040147U (en) 2023-01-10 2023-01-10 Asphalt cold patch construction workability testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320075918.7U CN220040147U (en) 2023-01-10 2023-01-10 Asphalt cold patch construction workability testing device

Publications (1)

Publication Number Publication Date
CN220040147U true CN220040147U (en) 2023-11-17

Family

ID=88726997

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320075918.7U Active CN220040147U (en) 2023-01-10 2023-01-10 Asphalt cold patch construction workability testing device

Country Status (1)

Country Link
CN (1) CN220040147U (en)

Similar Documents

Publication Publication Date Title
CN110501243B (en) Asphalt mixture fatigue performance testing method based on rut tester
Kim et al. Moisture damage characterization of warm-mix asphalt mixtures based on laboratory-field evaluation
Palit et al. Laboratory evaluation of crumb rubber modified asphalt mixes
Choubane et al. Suitability of asphalt pavement analyzer for predicting pavement rutting
CN108240965B (en) Asphalt pavement interlayer bonding strength detection device and detection method thereof
CN105259034A (en) Method for measuring and representing microcosmic interface phases of asphalt concrete
Bonnot Asphalt aggregate mixtures
CN203929605U (en) A kind of pitch and the cohesive force proving installation that gathers materials
Zhang et al. Moisture damage evaluation of aggregate–bitumen bonds with the respect of moisture absorption, tensile strength and failure surface
CN110455651A (en) A kind of antifatigue cracking performance evaluation method of bituminous pavement based on cuboid test specimen
Wang et al. Development of paving performance index system for selection of modified asphalt binder
CN107219131A (en) A kind of asphalt horizontal shear performance test apparatus and method for considering local axial compressive force
CN220040147U (en) Asphalt cold patch construction workability testing device
Wang et al. Evaluation on moisture sensitivity induced by dynamic pore water pressure for asphalt mixture and its components using the bending beam rheometer method
Athira et al. Comparison of binder and mixture tests to characterize permanent deformation of elastomer and terpolymer modified binders
CN109374434A (en) Asphalt concrete pavement material shearing performance test device
CN105136557A (en) Asphalt dynamic shear parameter test device and test method thereof
CN204389330U (en) Laxity pick-up unit within the scope of a kind of asphalt total temperature
CN109580349B (en) Asphalt cold-patch mixture performance test device and test method
Bennert et al. Warm-mix asphalt trials in New York State: Laboratory and field performance
CN109001258A (en) Bitumen content lossless detection method based on asphalt dielectric property
CN107576783A (en) A kind of asphalt mastic shape-memory properties method of testing
CN104655557B (en) The equipment that measurement asphalt surface course is coupled anti-staight scissors performance with semi-rigid type base interlayer
CN108398323B (en) Asphalt binder cohesiveness performance testing device
Kulash et al. TOWARD PERFORMANCE-BASED SPECIFICATIONS FOR BITUMEN AND ASPHALT MIXTURES.

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant