Study On Anchorage Performance Of Steel Reinforced Concrete With High Titanium Blast Furnace Slag Powder

In recent years,when we are faced with rapid development of Science in civil engineering,in order to adapt to the new situation of the times,a variety of new building materials are emerging.At the same time,the rapid development of industry of our country and the rapid rise of the steel industry have brought a lot of environmental problems.The development of steel industry in Panzhihua area is very rapid,but the industrial waste produced by iron and steel industry brings pollution,a large number of high titanium blast furnace slag pile up,and we can not place or use them.In order to solve this problem.Research on the use of high titanium blast furnace slag as concrete coarse aggregate and sand for construction have been conducted,and the scientific research achievement have been use in the area.In order to further develop the method of using high titanium blast furnace slag,This research attempts to put high titanium blast furnace slag into powder,the fine powder is added into the cement to partial replacement of cement.Then,we study the performance of this kind of concrete,this study focuses on the reinforcement of the anchorage capacity.This research use the method of orthogonal test.A number of short beams of the same size were produced.With the content of fine powder as variable,study the action of diameter of reinforcing steel bar,anchoring depth,anchoring technology on anchorage performance.This research analyze data by method of controlling variable,we find that: when the powder content is 10%,the anchorage performance of concrete is the best.The anchoring force and the needs of the anchorage length both meet the theoretical requirements of Principle of concrete structure design(GB50010-2011).And the real needs of the anchoring length is less than 0% of the amount of fine powder concrete,The anchoring ability of concrete with the addition of 20% powder can be decreased by a large extent.The post-installed fastenings is also in line with above conclusions.Concrete with 10% powder is more compact and have no influence of cement bond capacity,so it can reinforce anchorage capacity.