1 Lesson Six—All Glass /Point-Fixing Curtain Wall Ⅰ Introduction（技术简介） All glass and point-fixing glass curtain wall came into being① with technology improvement and product div ersity of glass and stainless steel. Because they are transparent, their outside look is much better than stick and unitized curtain wall. Ⅱ Conversation（会话） O—Owner; C—Contractor O: Could you please tell me how many kinds of glass rib system? C: Normally four kinds, namely rear-support, joint-mounted, surface-lev elled and surface-projected. O: Could you give me a simple introduction on how the rib is stuck to the glass within one storey? How about within multi-storeys? C: When install glass rib system, we used to clamp the glass and the rib with rabbet and keep the collision chock between glass and rabbet bottom. If the storey is too high, we should further adopt Top Hanging Method. If the installation is within multi-storeys, there are two ways, namely lev elling-wall and projecting-wall. O: Could you put in detail④ Top Hanging Method that you mentioned just now? C: Top Hanging means hanging the glass with special clamp. Furthermore, we choose Top Hanging Method when the storey is relatively high and the glass is relatively thick. O: The ex pansion joint is held between glass and rabbet, so I want to know how 2 elaborate on⑤ how to do with the joint? C: The joint between glass and rabbet can be filled with dry or wet material or the mixture of dry and wet material. However, the weather side may be preferably filled with wet material. That’s to say we adopt structural adhesive for fixing and sealing sealant for seal, in order to improve air resistance and water resistance property. O: How is...
