Kusamuka kwachibale kwa mbali ziwiri za Expansion Joint perpendicular to longitudinal axis. Izi zatchedwa lateral offset, lateral movement.

Kusuntha kumeneku nthawi zambiri kumachokera ku mphamvu zakunja monga zivomezi, kukhazikika kwa zomangamanga, kapena kusintha kwamphamvu.
Malumikizidwe okulitsa zitsulo ndi zolumikizira zosinthika zomwe zimapangidwira kuti zizitha kuyenda mozungulira, ndikusunga kukhulupirika kwadongosolo m'malo ovuta.