Arrangement for inhibiting water ingress across a construction joint

Abstract

An arrangement (400) for inhibiting water ingress across a construction joint, the arrangement (400) including:a footing (402) to be supported by a ground structure, the footing (402) including a floor defining a support surface (414), the footing (402) further including a sidewall (116) extending upwardly from the support surface (414);a structural wall element (424) supported by the support surface (414), the element (424) having an external skin (440) to be adjacent to the sidewall (116);a first sealing member (420) secured to the sidewall (116) of the footing (402) such that the first sealing member (420) opposes the external skin (440); anda joint seal (422) formed from a sealing material (433) located at a junction of the first sealing member (420), the footing (402) and the external skin (440), such that the sealing material (433) penetrates an interface between the first sealing member (420) and the structural wall element (424) without requiring access to the external skin (440) of the structural wall element.

1 . An arrangement for inhibiting water ingress across a construction joint, the arrangement including:
 a footing to be supported by a ground structure, the footing including a floor defining a support surface, the footing further including a sidewall extending upwardly from the support surface;   a structural wall element supported by the support surface, the element having an external skin to be adjacent to the sidewall;   a first sealing member secured to the sidewall of the footing such that the first sealing member opposes the external skin; and   a joint seal formed from a sealing material located at a junction of the first sealing member, the footing and the external skin, such that the sealing material penetrates an interface between the first sealing member and the structural wall element without requiring access to the external skin of the structural wall element.   
     
     
         2 . The arrangement of  claim 1 , wherein the support surface includes a recess adjacent the sidewall, the recess having a bottom, and wherein the first sealing member includes a recess arm configured to line the bottom of the recess to define a void. 
     
     
         3 . The arrangement of  claim 2 , wherein the recess extends below the support surface. 
     
     
         4 . The arrangement of  claim 2 , wherein the recess extends into the sidewall. 
     
     
         5 . The arrangement of  claim 2 , wherein the recess arm includes one or more frangible locations to allow a portion of the recess arm to be removed for providing access to the void. 
     
     
         6 . The arrangement of  claim 5 , wherein a distance between a body of the first sealing member and a first of the one or more frangible locations is less than a gap between the body of the first sealing member and the external skin of the structural wall element, to facilitate the penetration of the sealing material of the joint seal into the interface between the first sealing member and the external skin. 
     
     
         7 . The arrangement of  claim 6 , wherein the arrangement includes an adjacent structural wall element, similar to the structural wall element, the adjacent structural wall element being connected to the structural wall element by a set of interlocking elements, the interlocking elements being separated by a gap,
 wherein the gap is accessible by the sealing material in the void due to removal of the portion of the recess arm, such that the sealing material from the void is allowed to penetrate into the gap, forming a seal between the set of interlocking elements.   
     
     
         8 . The arrangement of  claim 6 , wherein the gap between the body of the first sealing member and the skin of the structural wall element is sized, and the frangible locations are located, such that, when a cement slurry filled into the structural wall element shrinks during curing to a cured concrete forming a fluid flow gap between the skin of the structural wall element and the cured concrete, a fluid path exists between a fluid flow gap and the void, when the portion of the recess arm has been removed. 
     
     
         9 . The arrangement of  claim 3 , wherein the arrangement further includes an injection hose positioned to allow injection of a sealing material into the void to form the sealing joint. 
     
     
         10 . The arrangement of  claim 9 , wherein the injection hose includes a perimeter tube with openings to allow the injection of sealing material into the void, the perimeter tube being located in the void and substantially surrounded by the recess arm. 
     
     
         11 . The arrangement of  claim 9 , wherein the injection hose includes an offtake extending from the perimeter tube through the structural wall member to a dry side of the cavity adjacent the structural wall member. 
     
     
         12 . The arrangement of  claim 9 , wherein the injection hose includes a corner fitting having a first opening adapted to receive a portion of the injection hose and a second opening adapted to receive a portion of the injection hose, the first opening and the second opening being oriented perpendicularly to each other so that the sealing material can flow between the first and second openings. 
     
     
         13 . The arrangement of  claim 1 , wherein the first sealing member includes a retention arm extending from the first sealing member into the sidewall and/or the footing to resist movement of the first sealing member relative to the footing. 
     
     
         14 . The arrangement of  claim 13 , wherein the retention arm includes a series of crenellations to create a tortuous path for water invading along an interface between the retention arm and the sidewall and/or footing. 
     
     
         15 . The arrangement of  claim 13 , wherein a body of the first sealing member includes a series of crenellations to create a tortuous path for water invading along an interface between the body and the sidewall and/or footing. 
     
     
         16 . The arrangement of  claim 1 , wherein the wall element longitudinally extends between an upper end portion and a lower end portion, wherein the lower end portion has a base that is seated on the support surface within the cavity. 
     
     
         17 . The arrangement of  claim 16 , wherein the first sealing member includes a support arm extending from the sealing member away from the sidewall, and wherein the base of the wall element is at least partially seated on the support arm. 
     
     
         18 . The arrangement of  claim 1 , wherein the first sealing member includes polyvinyl chloride (PVC). 
     
     
         19 . The arrangement of  claim 1 , wherein the joint seal includes a hydrophilic compound that expands in volume when in contact with water and/or an adhesive compound. 
     
     
         20 . The arrangement of  claim 1 , wherein the first sealing member includes a chamfer at an upper end thereof, the chamfer facing the external skin of the structural wall element to create a funnel gap between the first sealing member and the external skin of the structural wall element. 
     
     
         21 . The arrangement of  claim 1 , wherein the first sealing member has a profile and is extruded along an extrusion path, and wherein the extrusion path includes one or more of:
 a horizontal portion;   a vertical portion;   a horizontally angled portion; and   a vertically angled portion.   
     
     
         22 . A method of assembling an arrangement for inhibiting water ingress across a construction joint, the method comprising steps of:
 erecting formwork defining a footing at a construction site;   erecting formwork defining a rebate within the footing;   securing a first sealing member to the formwork defining the rebate and/or to the formwork defining the footing;   pouring a concrete mixture into the formwork defining the footing and curing the concrete mixture to create a first concrete body forming the footing such that the first sealing member is cast-in-place and the rebate is formed in the footing;   applying a joint seal to a junction of the first sealing member and a surface of the first concrete body within the rebate;   erecting formwork defining a structural wall within the rebate; and   pouring the concrete mixture into the formwork defining the wall and curing the concrete mixture to create a second concrete body forming the wall supported by the footing such that a sidewall of the wall engages the joint seal, wherein, the first and joint seals are configured to impede flow of water along an interface between the wall and the footing.   
     
     
         23 . The method of  claim 22 , wherein the step of applying the joint seal to the junction of the first sealing member and the surface of the first concrete body within the rebate is performed after the step of pouring the concrete mixture into the formwork.