CN205844121U - Mud-rock flow abrasion coefficient testing device - Google Patents
Mud-rock flow abrasion coefficient testing device Download PDFInfo
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- CN205844121U CN205844121U CN201620638352.4U CN201620638352U CN205844121U CN 205844121 U CN205844121 U CN 205844121U CN 201620638352 U CN201620638352 U CN 201620638352U CN 205844121 U CN205844121 U CN 205844121U
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Abstract
The utility model proposes a kind of mud-rock flow abrasion coefficient testing device, including, base, support, steel drum, motor, rotating shaft and stirring paddle；Base is rectangular base plate and the frame structure of four pillar compositions, is directly anchored on ground；Cylindrical steel drum is fixed by bolts on base plate；The vertical beam of inverted L shape support is connected with base, is fixed with motor in the termination of L-type support crossbeam, and stirring vane is rigidly connected by rotating shaft with motor；The axis of described stirring paddle and the dead in line of cylindrical steel drum.Advantageous Effects of the present utility model is can to detect, according to the practical situation selective body viscosity of engineering, solid phase ratio and grain diameter different plan mud-rock flow, the abrasion resistance setting concrete, thus explore the mud-rock flow abrasion law to different labels concrete, the stability and durability improving debris flow structure is had significant directive significance.Further, simple in construction, easy to operate, practical.
Description
Technical field
This utility model relates to mud-rock flow abrasion coefficient technical field of measurement and test, is related specifically to a kind of mud-rock flow abrasion and is
Number test device.
Background technology
Mud-rock flow is the natural disaster phenomenon that the fragile mountain area of geological environment is common, its sudden strong, harm is big, preventing and treating
Difficulty, easily to passing through debris flow gully or the highway along debris flow gully bank causes destructive destruction.China's mud-rock flow quantity is many, point
Cloth is wide, and according to statistics, the whole nation has more than 80,000 place's debris flows, and the most serious has at 8500, the zone of action area of mud-rock flow
More than 4,300,000 km2, the most movable strong area reaches 1,300,000 km2.The economic loss caused because of mud-rock flow every year reaches 2,000,000,000 yuan,
Cause casualties the most over thousands of people.Substantial amounts of casualties and economic loss have particularly highlighted the hazardness of mud-rock flow, and it is right to strengthen
The study on prevention of mud-rock flow is the most very urgent.
Mud-rock flow, as mountain highway one typical geology disaster, is the two-phase flow of liquid phase slurry and solid phase rock mass,
Mud-rock flow has strong corrasion to debris flow gully Ji Gouan highway and control structure thereof in flow process, especially exists
Ablation destruction aspect to debris flow structure, its corrasion significantly shorten the Acceptable life of control structure, fall
Low control structure security performance, the normal operation of highway communication in serious threat.
At present, domestic and international scientist has done substantial amounts of research at debris flow theoretical side, also achieves considerable entering
Step, but ignore the further investigation of the erosion property to mud-rock flow, as existing achievement in research lacks, mud-rock flow is denuded
The one of ability is objective, quantitatively evaluating mode or standard, is difficult to judge accurately the ablation destruction degree of mud-rock flow, and it is right to be unfavorable for
The guidance of debris flow Optimal Structure Designing.
Summary of the invention
Lack objective, quantitatively evaluating mode or standard to the one of mud-rock flow abrasive capacity for solving prior art, be difficult to
Judge the problem such as ablation destruction degree of mud-rock flow accurately, the utility model proposes a kind of mud-rock flow abrasion coefficient test dress
Put.
This utility model mud-rock flow abrasion coefficient testing device, including, base, support, steel drum, motor, rotating shaft and stirring
Oar；Base is rectangular base plate and the frame structure of four pillar compositions, is directly anchored on ground；Cylindrical steel drum is solid with bolt
It is scheduled on base plate；The vertical beam of inverted L shape support is connected with base, is fixed with motor, stirring vane in the termination of L-type support crossbeam
It is rigidly connected by rotating shaft with motor；The axis of described stirring paddle and the dead in line of cylindrical steel drum.
Further, described stirring paddle is bird-caging structure, including rectangular slab and circular slab, described circular slab is two pieces,
Being that decussation is arranged with a diameter of intersecting axis of circular slab, and intersecting axis is coaxial with shaft axis, two pieces of rectangular slabs divide
Other relative level is arranged on bottom and the top of circular slab, and the geometric center of rectangular slab is on shaft axis.
Further, described motor is adjustable speed motor, and is provided with speed adjusting gear.
Further, bottom described stirring paddle, distance bottom steel drum is 20 to 60mm, preferably 40mm.
The Advantageous Effects of this utility model mud-rock flow abrasion coefficient testing device is can be according to the practical situation of engineering
The abrasion resistance setting concrete is examined by selective body viscosity, solid phase ratio and grain diameter different plan mud-rock flow
Survey, thus explore the mud-rock flow abrasion law to different labels concrete, to improving the stability of debris flow structure and resistance to
Property has significant directive significance for a long time.Further, simple in construction, easy to operate, practical.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of this utility model mud-rock flow abrasion coefficient testing device；
Accompanying drawing 2 is the sectional structure schematic diagram of this utility model mud-rock flow abrasion coefficient testing device；
Accompanying drawing 3 is the structural representation of this utility model mud-rock flow abrasion coefficient testing device stirring paddle.
Below in conjunction with the accompanying drawings and this utility model mud-rock flow abrasion coefficient testing device is made further by specific embodiment
Explanation.
Detailed description of the invention
Accompanying drawing 1 is the structural representation of this utility model mud-rock flow abrasion coefficient testing device, and accompanying drawing 2 is this utility model
The sectional structure schematic diagram of mud-rock flow abrasion coefficient testing device, accompanying drawing 3 is this utility model mud-rock flow abrasion coefficient test dress
Putting the structural representation of stirring paddle, in figure, 1 is base, and 2 is support, and 3 is steel drum, and 4 is motor, and 5 is rotating shaft, and 6 is stirring paddle,
61 is rectangular slab, and 62 is circular slab, and A is concrete test block.As seen from the figure, this utility model mud-rock flow abrasion coefficient test dress
Put, including, base 1, support 2, steel drum 3, motor 4, rotating shaft 5 and stirring paddle 6；Base 1 is rectangular base plate and four pillars compositions
Frame structure, be directly anchored on ground；Cylindrical steel drum 3 is fixed by bolts on base plate；The vertical beam of inverted L shape support 2 with
Base 1 is connected, and is fixed with motor 4 in the termination of L-type support 2 crossbeam, and stirring vane 6 is with motor 4 by rotating shaft 5 rigidity even
Connect；The axis of described stirring paddle 6 and the dead in line of cylindrical steel drum 3.Further, described stirring paddle 6 is bird-caging structure, including
Rectangular slab 61 and circular slab 62, described circular slab 62 is two pieces, with a diameter of intersecting axis of circular slab is decussation setting,
And intersecting axis is coaxial with shaft axis, two pieces of rectangular slab 61 relative levels respectively are arranged on bottom and the top of circular slab 62,
And the geometric center of rectangular slab 61 is on shaft axis.For convenience of the rotating speed of adjustment motor, described motor 4 is adjustable speed motor,
And it is provided with speed adjusting gear.For placing tested concrete, bottom described stirring paddle, the distance bottom steel drum is 20 to 60mm,
It is preferably 40mm.
When specifically detecting, make the precast concrete test block setting label according to testing requirement, concrete test block is soaked
Duck in drink, allow concrete test block fully absorb moisture the most saturated, the preferred 48h of soak time.Concrete test block is dried after immersion
The moisture on surface, carries out weighing for the first time, then, places it in steel drum inner bottom part.Set body according to testing requirement preparation to glue
Degree, solid phase ratio and the debris flow body of grain diameter, specifically include and first use ripe rubber powder to prepare liquid phase slurry with water, uses rotation viscous
Degree measurement amount slurry viscosity；Adding solid-phase media in the slurry configured, solid-phase media can be chosen multiple according to actual condition
Particle diameter packet abrasion.Such as the solid-phase media that solid phase particles size is 0.075～0.2cm chosen, can directly use river sand；Such as choosing
The solid-phase media that solid phase particles size is 0.3～0.5cm taken, can directly use Guamishi；Such as the solid phase particles size chosen
It is 0.8～1.0cm and 1.3～1.5cm solid-phase medias, then can select the rubble of corresponding particle diameter respectively.The mud-rock flow that will prepare
Body is injected in steel drum, starts motor, after keeping rotating shaft uniform rotation and persistently denuding 24h, closes power supply.Abrasion will after terminating
Concrete test block takes out in steel drum, removes surface residue by clean water, dries surface moisture, carries out second time and weighs.
According to the weight difference of concrete test block before and after abrasion, i.e. can determine whether the abrasion to setting concrete of the prepared debris flow body
Ability, or to setting the concrete debris flow body abrasion resistance to being prepared of label.By selecting the mixed of different labels
Solidifying soil, prepare not consubstantiality viscosity, solid phase ratio and the debris flow body of grain diameter, select the different rotating speed of motor, i.e. available not
The debris flow body of consubstantiality viscosity, solid phase ratio and grain diameter is to the abrasion under different Scouring Conditions of the concrete of different labels
Amount, i.e. obtains the abrasion coefficient of mud-rock flow by data analysis and the derivation of equation.
This utility model mud-rock flow abrasion coefficient testing device uses bird-caging stirring paddle, and on stirrer paddle top
Being respectively provided with, with bottom, the transverse baffle that a block specifications is equivalently-sized, rotating shaft is under the conditions of high-speed rotation, and baffle plate energy distribution blade is all
The abrasive material enclosed, it is to avoid produce huge whirlpool in erosion process.
Obviously, the Advantageous Effects of this utility model mud-rock flow abrasion coefficient testing device is can be according to the reality of engineering
Situation selective body viscosity, solid phase ratio and the grain diameter different debris flow body abrasion resistance to setting concrete
Detect, thus explore the mud-rock flow abrasion law to different labels concrete, stablize improving debris flow structure
Property and durability have significant directive significance.Further, simple in construction, easy to operate, practical.
Claims (5)
1. mud-rock flow abrasion coefficient testing device, it is characterised in that this device includes, base, support, steel drum, motor, turns
Axle and stirring paddle；Base is rectangular base plate and the frame structure of four pillar compositions, is directly anchored on ground；Cylindrical steel drum
It is fixed by bolts on base plate；The vertical beam of inverted L shape support is connected with base, is fixed with motor in the termination of L-type support crossbeam,
Stirring vane is rigidly connected by rotating shaft with motor；The axis of described stirring paddle and the dead in line of cylindrical steel drum.
Mud-rock flow abrasion coefficient testing device the most according to claim 1, it is characterised in that described stirring paddle is bird-caging knot
Structure, including rectangular slab and circular slab, described circular slab is two pieces, is that decussation sets with a diameter of intersecting axis of circular slab
Putting, and intersecting axis is coaxial with shaft axis, two pieces of rectangular slab relative levels respectively are arranged on bottom and the top of circular slab, and
The geometric center of rectangular slab is on shaft axis.
Mud-rock flow abrasion coefficient testing device the most according to claim 1, it is characterised in that described motor is adjustable speed electricity
Machine, and it is provided with speed adjusting gear.
Mud-rock flow abrasion coefficient testing device the most according to claim 1, it is characterised in that away from steel drum bottom described stirring paddle
The distance of bottom is 20 to 60mm.
Mud-rock flow abrasion coefficient testing device the most according to claim 4, it is characterised in that away from steel drum bottom described stirring paddle
The distance of bottom is 40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620638352.4U CN205844121U (en) | 2016-06-24 | 2016-06-24 | Mud-rock flow abrasion coefficient testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620638352.4U CN205844121U (en) | 2016-06-24 | 2016-06-24 | Mud-rock flow abrasion coefficient testing device |
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| CN205844121U true CN205844121U (en) | 2016-12-28 |
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| CN201620638352.4U Active CN205844121U (en) | 2016-06-24 | 2016-06-24 | Mud-rock flow abrasion coefficient testing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225939A (en) * | 2018-01-12 | 2018-06-29 | 上海建工集团股份有限公司 | Measure the device and method of fresh concrete yield stress |
| CN109655366A (en) * | 2019-01-24 | 2019-04-19 | 中建西部建设西南有限公司 | A kind of device and method of Fast Evaluation workability water-reducing agent performance |
| CN110243710A (en) * | 2019-07-04 | 2019-09-17 | 枣庄学院 | Mud-rock flow abrasion test device |
| CN110487714A (en) * | 2019-09-09 | 2019-11-22 | 西南交通大学 | A kind of debris flow gully bed coefficient of friction and abrasion coefficient testing device and test method |
| CN111579407A (en) * | 2020-06-27 | 2020-08-25 | 中国科学院、水利部成都山地灾害与环境研究所 | Vertical experimental device for abrasion resistance of material |
-
2016
- 2016-06-24 CN CN201620638352.4U patent/CN205844121U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225939A (en) * | 2018-01-12 | 2018-06-29 | 上海建工集团股份有限公司 | Measure the device and method of fresh concrete yield stress |
| CN108225939B (en) * | 2018-01-12 | 2020-09-04 | 上海建工集团股份有限公司 | Device and method for measuring yield stress of fresh concrete |
| CN109655366A (en) * | 2019-01-24 | 2019-04-19 | 中建西部建设西南有限公司 | A kind of device and method of Fast Evaluation workability water-reducing agent performance |
| CN110243710A (en) * | 2019-07-04 | 2019-09-17 | 枣庄学院 | Mud-rock flow abrasion test device |
| CN110487714A (en) * | 2019-09-09 | 2019-11-22 | 西南交通大学 | A kind of debris flow gully bed coefficient of friction and abrasion coefficient testing device and test method |
| CN111579407A (en) * | 2020-06-27 | 2020-08-25 | 中国科学院、水利部成都山地灾害与环境研究所 | Vertical experimental device for abrasion resistance of material |
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