Amapili e-Z-profile sesitilini yisiqalakala sokhuphela esikhethiwe ekwenziwe amapiloni esikhashana nangapakade ekubulandelisisiwe, ekusekheleni ekusiphakamiseni, futhi emapulazini azinzima. I-Z-shaped cross-section ikhona izivakavaki zombili eveza phakathi kwewebhu ekhulayo, okukunikeza amakhumalo akhuphelelanayo phakathi kwamapili alandelayo uze akhazikele umthwalo omilandelano, ozivikela kwamanzi noma kunezinsizane zwamanzi. Lolu uhlobo alukufani ne-I-beam noma ne-U-profile configurations futhi lunikeza isigalelelo esiphakamekayo somububuzulu emagubini enezindlela ekhulayo, ikakhulukazi ekumkhakheni yedolobha lapho amakontenisha enhlalakahle nomyalelo womshini bazisela ukulungiselela okukaqubekile kunoma kancane ukulimaza umhlaba.
Amapili e-Z-profile sesitilini yisiqalakala sokhuphela esikhethiwe ekwenziwe amapiloni esikhashana nangapakade ekubulandelisisiwe, ekusekheleni ekusiphakamiseni, futhi emapulazini azinzima. I-Z-shaped cross-section ikhona izivakavaki zombili eveza phakathi kwewebhu ekhulayo, okukunikeza amakhumalo akhuphelelanayo phakathi kwamapili alandelayo uze akhazikele umthwalo omilandelano, ozivikela kwamanzi noma kunezinsizane zwamanzi. Lolu uhlobo alukufani ne-I-beam noma ne-U-profile configurations futhi lunikeza isigalelelo esiphakamekayo somububuzulu emagubini enezindlela ekhulayo, ikakhulukazi ekumkhakheni yedolobha lapho amakontenisha enhlalakahle nomyalelo womshini bazisela ukulungiselela okukaqubekile kunoma kancane ukulimaza umhlaba.