A kind of device and test method for detecting construction refuse regenerated aggregate water absorption character
Technical field
The invention belongs to building waste resource regeneration field of engineering technology, more particularly to a kind of detection building waste is again
The device of raw aggregate water absorption character and be test method.
Background technology
The aggregate referred to as construction refuse regenerated aggregate that building waste is produced by operations such as broken, air blast, sieve wind, building
There are a large amount of microcracks in garbage regeneration aggregate, mortar and cement mortar are included in particle in shattering process.
Compared with natural aggregate, construction refuse regenerated aggregate has porosity high, and water imbibition is big and the low performance of intensity.Inhale
Aqueous height is one of key factor of influence regeneration concrete performance.Under different gradation interval, different material sources, different tests environment
Aggregate water absorption character differ greatly, efficient method of testing and experimental rig are lacked at present.Construction refuse regenerated aggregate absorbs water
The measure Main Basiss of rate experiment《Cobble for building, rubble》(GB/T14685-2011), the specification be only capable of test aggregate water suction
Rate, lacks the test to construction refuse regenerated aggregate water absorption character and analysis method.
The invention provides it is a kind of detect construction refuse regenerated aggregate water absorption character device and test method, the device and
It is bent with the relation of absorbent time that test method can simply and quickly calculate construction refuse regenerated aggregate water suction mass percent
Line, realizes the streamlined operation of process of the test.
The content of the invention
To solve the above problems and purpose, inhaled the invention provides the simple and effective detection construction refuse regenerated aggregate of one kind
The device and test method of water characteristic.
A kind of device for detecting construction refuse regenerated aggregate water absorption character, is broadly divided into 4 regions, suction zones, air drying area,
Weighing Area and Material Staging Area, it is characterized in that:Described suction zones component mainly has arc tank and screen cloth, and screen cloth surrounding is tied up with cord
It is fixed, hang on annular steel pipe lower section;Described air drying area main member has blower fan and infiltration net, blower fan one end open, an end seal
Close;Described infiltration net is arcuate structure, and bottom can connect with tank;Described Weighing Area capital equipment has electronic balance;Institute
The load-carrying members of the detection means stated are portable round platform bases;Described round platform base center and annular steel pipe center connecting rod
Connection, annular steel pipe is fulcrum horizontal rotation with fixing nut under external force, and fixing nut is cased with rod member to prevent ring
Shape steel pipe glides along bar wall;Described round platform base bottom is equipped with three universal wheels.
Further, described tank is highly 10 ~ 20cm.
Further, the described screen cloth diameter d=30cm, mesh size d that hold raw material’=0.075mm, quantity 3.
Further, described power of fan is 1.5 ~ 2.0KW/380V, exhaust outlet mouthful 40 ~ 50cm of slot length, height 10 ~
20cm。
Further, described arc infiltration net is woven into by metal steel wire.
Further, described electronic balance 5 ~ 10kg of range, precision 0.01g, quantity 3.
Further, described round platform base radius is 90cm, thickness 5cm, load-bearing limit>100kg.
Further, described connection pole length 1.0m ~ 1.2m, nut center is with round platform base center away from 60cm.
Further, described buckle annular steel pipe radius R=50cm, hook number 3-5.
Further, described universal wheel uses metal alloy.
A kind of method for detecting construction refuse regenerated aggregate water absorption character, it is characterized in that:3 screen clothes equipped with aggregate are same
When be immersed in tank, and start timing, record aggregate soak time;After immersion 1min, screen cloth is lifted rapidly, under external force effect
It is rapid to rotate annular steel pipe, screen cloth is gone to the blower fan under working condition mouthful, handshaking screen cloth is used, after aggregate face is dry, continue
Annular steel is rotated, the screen cloth that will fill aggregate is placed in electronic balance, according to formula after weighing=Calculate building
Garbage regeneration aggregate 1min water suction mass percents, wherein:Represent water suction mass percent, %;Represent that aggregate water suction is full
Quality with after, g;Represent the quality under aggregate drying regime, g;By above-mentioned steps, cyclic test, when adding up aggregate immersion
Between, until aggregate maximum water absorption rate is measured, wherein it is small to meet continuous two groups of mass percent measured values during determination maximum water absorption rate
In the 0.5% of minimum value;According to test data, draw water absorption character curve and analyze, it was therefore concluded that.
Beneficial effect
The invention provides a kind of device for detecting construction refuse regenerated aggregate water absorption character and test method, the device and experiment
Method can simply and quickly calculate the relation curve of construction refuse regenerated aggregate water suction mass percent and absorbent time,
Realize the streamlined operation of process of the test.
The device can survey the construction refuse regenerated aggregate water absorption characters such as different gradation, different material sources, can either provide same
Condition test Comparative result, its charge cask 0.075mm screen clothes can also remove influence of the impurity such as micro mist to testing;Fixed
Device and rotating member can realize the reciprocation cycle of sample, reduce each test procedure time interval, save material source and improve
Test accuracy.Portable round platform base, can make experimental rig according to different test sites and experimental enviroment demand, carry out entirety
It is mobile.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the experimental rig block plan for detecting construction refuse regenerated aggregate water absorption character;
Fig. 2 is the detailed component diagram of experimental rig for detecting construction refuse regenerated aggregate water absorption character.
Wherein, 1, suction zones;2nd, air drying area;3rd, Weighing Area;4th, Material Staging Area;5th, operating room;6th, Accessorial Tools Storage;
7th, tank;8th, screen cloth;9th, annular steel pipe;10th, air blower;11st, seep water net;12nd, electronic balance.
Specific embodiment
Embodiment 1
With reference to Fig. 1, shown in 2, a kind of device for detecting construction refuse regenerated aggregate water absorption character is broadly divided into 4 regions, absorbs water
Area(1), air drying area(2), Weighing Area(3)And Material Staging Area(4), it is characterized in that:Described suction zones(1)Component mainly has arc water
Groove(7)And screen cloth(8), tank(7)Highly it is 10 ~ 20cm, screen cloth(8)Surrounding is bound with cord, hangs on annular steel pipe(9)Under
Side, holds the screen cloth of raw material(8)Diameter d=30cm, screen cloth(8)Aperture d’=0.075mm, quantity 3;Described air drying area(2)
Main member has blower fan(10)And infiltration net(11), blower fan(10)One end open, one end closing, blower fan(10)Power be 1.5 ~
2.0KW/380V, exhaust outlet mouthful 40 ~ 50cm of slot length, 10 ~ 20cm of height;Described infiltration net(11)It is arcuate structure, arc
Infiltration net(11)It is woven into by metal steel wire, bottom can be with tank(7)Connection;Described Weighing Area(3)Capital equipment has electronics
Balance(12), electronic balance(12)5 ~ 10kg of range, precision 0.01g, quantity 3;The load-carrying members of described detection means are
Portable round platform base;Described round platform base center and annular steel pipe(9)Center connecting rod connection, connection pole length 1.0m ~
1.2m, nut center is 60cm with round platform base center distance, under external force annular steel pipe(9)It is with fixing nut
Fulcrum is horizontally rotated, and fixing nut is cased with rod member to prevent annular steel pipe(9)Glided along bar wall, buckle annular steel pipe(9)Half
Footpath R=50cm, hook number 3-5;Described round platform base bottom is equipped with three universal wheels, and round platform base radius is 90cm, thick
Degree 5cm, load-bearing limit>100kg, described universal wheel uses metal alloy.
Embodiment 2
A kind of method for detecting construction refuse regenerated aggregate water absorption character, it is characterized in that:By 3 screen clothes equipped with aggregate(8)Together
When be immersed in tank(7)In, and start timing, that is, record the time that aggregate is soaked in water;After immersion 1min, sieve is lifted rapidly
Net(8), the lower rapid annular steel pipe of rotation of external force effect(9), make screen cloth(8)Blower fan under working condition mouthful is gone to, with handshaking
Screen cloth(8), after aggregate face is dry, it is rotated further annular steel(9), the screen cloth of aggregate will be filled(8)It is placed in electronic balance(12), claim
According to formula after weight=Construction refuse regenerated aggregate 1min water suction mass percents are calculated, wherein:Represent
Water suction mass percent, %;Represent the quality after aggregate water suction saturation, g;The quality under aggregate drying regime is represented,
g;By above-mentioned steps, cyclic test adds up aggregate soaking time, until aggregate maximum water absorption rate is measured, wherein determining maximum suction
Continuous two groups of mass percent measured values are met during water rate less than the 0.5% of minimum value;According to test data, water absorption character is drawn
Curve is simultaneously analyzed, it was therefore concluded that.
The interval same material source water absorption character test group of the different gradation of table 1
Material source |
Level is matched somebody with somebody |
Quality |
It is identical |
0~5mm |
2kg |
It is identical |
5~19.5mm |
2kg |
It is identical |
19.5~31.5mm |
2kg |
The construction refuse regenerated aggregate water absorption character test group of the different material sources of table 2
Material source |
Level is matched somebody with somebody |
Quality |
100% common brick |
5~31.5mm |
2kg |
100% grey brick |
5~31.5mm |
2kg |
The grey brick of 50% common brick 50% |
5~31.5mm |
2kg |
The grey brick of 30% common brick 70% |
5~31.5mm |
2kg |
The 30% grey common brick of brick 70% |
5~31.5mm |
2kg |