案例研究：体育场馆建设中伸缩缝系统安装的复杂性.pdf

1、Case Study:Navigating the Complexities of Expansion Joint Installation for Stadium ConstructionJack BelangerMTN Inc.Navigating the Complexities of Expansion Joint Installation for Stadium ConstructionLearning Objectives1.How expansion joint systems can restore the attributes of adjacent building com

2、ponents.2.The role we ALL play.3.Product technologies.4.Ensuring continuity of seal throughout the entire structure.Building Enclosure Conference|Denver|2023 Whats the deal with Expansion Joints?-They,flat out,dont perform as intended.-Joints leak!-Dissimilar substrates-Connections-Transitions(roof

3、to wall,foundation to above grade wall,etc.)-Mechanical anchors/fasteners will damage the substrate.-Dont handle variations in width well(or at all)-These things are ugly!-Can they handle the necessary movement?-Impossible to install at certain conditions.-Trap dirt and debris.-Cause a break in the

4、fire rating.-Flanking path for sound,heat/cold,etc.-OVERLOOKED and UNDERESTIMATED cost Often A lot Most of the time.Building Enclosure Conference|Denver|2023 Types of JointsSmall(sealant)Joints Through wall penetrations(windows,doors,vents,HVAC,etc.)Panel to PanelConcrete JointsBuilding Enclosure Co

5、nference|Denver|2023 Types of JointsLarge(expansion or movement)JointsGap or break designed to accommodate the expansion and contraction of a structures components due to temperature changes or other factors.Building Enclosure Conference|Denver|2023 Failed Jointsmake stadiums sickBuilding Enclosure

6、Conference|Denver|2023 How does water get past failed sealant?Wind Driven RainGravityCapillary ActionAir Pressure Differential(water being sucked in)Stack EffectHVACBernoulli PrincipleBuilding Enclosure Conference|Denver|2023 Background 2Building MovementThermalBuilding Enclosure Conference|Denver|2