 Colluding type technological characteristic of end:
1, In order to turn into the sectional fibre, both ends head increases the sectional protruding mark ;
 2, Steel fibre is it move to slip among the component in concrete, both ends head protruding mark form can be out of shape, have very strong firm function of anchor;
3, Strengthen and increase the tough result remarkably. Especially toughness, load - disturb degrees of curve not to drop slowly, concrete characteristic approach ideal play the plasticity body even more;
4, The steel fibre concrete structure should guarantee it is that the toughness is destroyed instead of fragility destruction that it is destroyed while rupturing promptly, will guarantee the steel fibre in both ends of firm concrete crack of the anchor soon and is pulled out while destroying but broken, that is to say steel tensile strength , fibre of itself should greater than it is it produce the stress to draw certainly.
 Wave type technological characteristic:
1, Ripple shape improvement type, steel of fibre, out of shape position ball mark curved surface, increase song facial rigidity of location;
2, Steel fibre is it move to slip among the component in concrete, song facial location form can be out of shape;
3, Fibre this form is it overcome general special-shaped steel cellulose to design out of shape easy to draw into the frank shortcoming position, have better enhancement and increase the tough result;
4, The steel fibre concrete structure should guarantee it is that the toughness is destroyed instead of fragility destruction that it is destroyed while rupturing promptly, will guarantee the steel fibre among both ends of firm concrete crack of the anchor soon and is pulled out while destroying but broken, that is to say steel tensile strength , fibre of itself should greater than it is it produce the stress to draw certainly.
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Steel fibre:
The function in the concrete of steel fibre depends on two respects: Pt and every parameter of fibre of mixing etc. (whether length Lt, long foot-path than Lf/dF, geometry form and tensile strength fsft).
Scope of application of the steel fibre concrete:
The steel fibre concrete is a kind of new-type composite , apply to such project fields as the road , airport , bridge , water conservancy project , port , railway , mine , tunnel , cement well lid , and industry and civil building ,etc. extensively, is it is it draw , is it cut , resist intensity of rolling over and is it split , resist bludgon into , antidetonation , antiknock every performance not to require higher structure project or some position to resist to resist to confront with each other to suitable for.
Match ratio of the steel fibre concrete:
The match ratio of the steel fibre concrete can be designed according to 6.1-6.4 clauses in JG/T3064-1999 " steel fibre concrete ".
Norm of the steel fibre concrete:
*CECS38 : 92 " steel fibre concrete structural design and construction rules "
*CECS13 : 89 " steel fibre concrete test methods " *JG/T3064-1999 " steel fibre concrete "
The technical parameter and performance of the steel fibre:
Type |
Length |
Diameter |
Long directly than |
Performance that bend |
Tensile strength |
JY-09-30/38 |
30mm |
0.8mm |
38 |
Bend 90 degrees excellently along the diameter 3mm steel One is second-class and constant |
380 grades: >380MPa.
600 grades: >600MPa. 1000 grades: >1000MPa. |
JY-09-30/40 |
30mm |
0.75mm |
40 |
The above-mentioned product specifications are supplied throughout the year for our company, can supply according to the product specification of customer's demand at the same time (include the steel fibre of stainless steel)
The difference of crafts of mixing between steel fibre concrete and ordinary concrete is:
Steel mixing, fibre of concrete principle to it does to be wet to mix after mixing first. Mix the craft as follows
1, Invest mixer is it mix one minute to do steel fibre and aggregate first , make steel to be fibre even to distribute of the aggregate;
2, Throw the sand and cement into the mixer , the mixture is done and mixed again; 3, Add water to mix wetly for 1.5-2 minutes finally.
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