Construction method of joining column and beam in building structure based on heavy-weight steel frame construction

摘要: A beam is joined to a column by the steps of setting upright square sleeve formed steel material in shape box and/or cylinder center upper surface base plate posture extending an axis vertical direction connect welding, placing constructed footing through anchor bolts, inserting lower end pipe into on side plate, tying with connecting bolts inserted bolt holes provided and also at predetermined positions wall sleeve, then bringing contact making it condition that preliminarily welded as one body longitudinal beam, fastening bolts.