混凝土与水泥制品
混凝土與水泥製品
혼응토여수니제품
CHINA CONCRETE AND CEMENT PRODUCTS
2014年
2期
80-82
,共3页
造纸污泥焚烧灰%混凝土%矿物掺合料%力学性能
造紙汙泥焚燒灰%混凝土%礦物摻閤料%力學性能
조지오니분소회%혼응토%광물참합료%역학성능
Paper mill ash%Concrete%Mineral addition%Mechanical property
将高温处理后的造纸污泥焚烧灰(PA)用作混凝土矿物掺合料，研究了其等量替代普通硅酸盐水泥后对水泥强度等级及对混凝土工作性、抗压强度以及抗折强度的影响。研究表明，不经处理的PA对混凝土的工作性和力学性能有不利影响；经过球磨处理的造纸污泥焚烧灰具有较高的火山灰活性，当平均粒径低于100μm时可以等量取代硅酸盐水泥而不降低水泥的强度等级，并且对混凝土的力学性能有积极作用。
將高溫處理後的造紙汙泥焚燒灰(PA)用作混凝土礦物摻閤料，研究瞭其等量替代普通硅痠鹽水泥後對水泥彊度等級及對混凝土工作性、抗壓彊度以及抗摺彊度的影響。研究錶明，不經處理的PA對混凝土的工作性和力學性能有不利影響；經過毬磨處理的造紙汙泥焚燒灰具有較高的火山灰活性，噹平均粒徑低于100μm時可以等量取代硅痠鹽水泥而不降低水泥的彊度等級，併且對混凝土的力學性能有積極作用。
장고온처리후적조지오니분소회(PA)용작혼응토광물참합료，연구료기등량체대보통규산염수니후대수니강도등급급대혼응토공작성、항압강도이급항절강도적영향。연구표명，불경처리적PA대혼응토적공작성화역학성능유불리영향；경과구마처리적조지오니분소회구유교고적화산회활성，당평균립경저우100μm시가이등량취대규산염수니이불강저수니적강도등급，병차대혼응토적역학성능유적겁작용。
As a mineral addition, the paper mill ash (PA) after high temperature treatment is used to prepare concrete. The effect of PA which substitutes the equivalent content for Portland cement on the strength of Portland cement, the workability, compressive strength and flexural strength of concrete is studied. The results indicate that PA untreated has negative effect to the workability and mechanical properties of concrete. The grounded PA has a high pozzolanic activity. Equal replacement of Portland cement by grounded PA will not decrease the strength of cement when the average particle size is less than 100μm. Meanwhile, it is beneficial to the mechanical properties of concrete.
