CAJ | 학술논문

通过3组不同强度等级的再生碎砖混凝土浇筑上部墙体的墙梁、1组烧结砖和砂浆砌筑上部墙体的墙梁试验，研究了再生混凝土墙体墙梁的破坏荷载、应力应变、裂缝、挠度等力学特点。试验结果表明：再生碎砖混凝土墙梁开裂荷载与极限荷载比普通墙梁有所增大；墙梁上部墙体的强度是影响再生碎砖混凝土开裂荷载的重要因素，且其对墙梁的极限荷载也有一定影响；与传统墙梁一样，再生碎砖混凝土墙梁的托梁也为偏心受拉构件；再生碎砖混凝土墙梁的刚度比普通砖砌筑墙梁大，且随上部墙体再生碎砖混凝土强度的增大而增大。
통과3조불동강도등급적재생쇄전혼응토요축상부장체적장량、1조소결전화사장체축상부장체적장량시험，연구료재생혼응토장체장량적파배하재、응력응변、렬봉、뇨도등역학특점。시험결과표명：재생쇄전혼응토장량개렬하재여겁한하재비보통장량유소증대；장량상부장체적강도시영향재생쇄전혼응토개렬하재적중요인소，차기대장량적겁한하재야유일정영향；여전통장량일양，재생쇄전혼응토장량적탁량야위편심수랍구건；재생쇄전혼응토장량적강도비보통전체축장량대，차수상부장체재생쇄전혼응토강도적증대이증대。
The recycled brickbat aggregate concrete and sintered brick and masonry mortar wall-beam experiment are presented.By three groups comparison of upper wall beams with different intensity grades from the experi-ments,mechanical characteristics of wall-beam as failure load,deflection,stress and strain,crack are investigated. The experiment shows that the cracking load and ultimate load of the recycled brickbat aggregate concrete are greater than that of the normal aggregate concrete.The strength of the upper walls is an important factor which im-pacts the cracking load of the recycled brickbat aggregate concrete,and influences the ultimate load of the wall-beam.The joist of recycled brickbat aggregate concrete wall-beam is also the eccentric tension member,as well as traditiond wall-beams.The stiffness of the recycled brickbat aggregate concrete wall-beam is stronger than that of the common brick masonry beam and the stiffness increases with the increasing strength of the recycled brickbat aggregate concrete upper wall-beam.