Mlatho wa konkire wokhazikika wokhala ndi ukonde wachitsulo, womwe umadziwikanso kuti corrugated steel web PC mlatho, umatanthawuza chomangira cha bokosi chokhala ndi malata m'malo mwa ukonde wa konkire wamabokosi a konkriti wokhazikika ngati ukonde.Chodabwitsa chake ndi 10 ~ A 20 mm wandiweyani mbale yachitsulo m'malo mwa ukonde wa konkriti wokhala ndi makulidwe a 30 mpaka 80 cm.

Chiyambi
M'zaka za m'ma 1980, dziko la France linapanga koyamba ndikumanga mlatho watsopano wokhala ndi malata m'malo mwa ukonde wamba wa konkriti.Pambuyo pake, ma viaducts angapo a Maupre, milatho ya Asterix ndi malata a Dole adamangidwa.Webusaiti mlatho.

Chitukuko
Kuyambira m'ma 1990, Japan adaphunziranso mtundu uwu wa mlatho.Potengera milatho yofanana ndi imeneyi ku France, yamanga milatho ingapo monga New Bridge, Bengu Bridge [1], ndi Pine No. 7 Bridge.Pali milatho yosalekeza ndi milatho yokhazikika yokhazikika, yomwe imakulitsa kuchuluka kwa kugwiritsa ntchito milatho yotere ndikupanga njira zamapangidwe ndi zomangamanga.

Wapakhomo
Palibe milatho yeniyeni ya malata zitsulo ukonde prestressed konkire gulu bokosi girder.Panthawi imodzimodziyo, milatho ingapo yamtunduwu yamangidwa ku France / Germany, makamaka ku Japan.Njira zopangira ndi zomangamanga zikukulirakulira.Prestressed konkire gulu bokosi girder ndi malata ukonde zitsulo makamaka oyenera mosalekeza bokosi girder ndi sing'anga ndi lalikulu span.Ndi chitukuko ndi kuzama kwa kusanthula ndi kafukufuku wa kamangidwe kameneka ku China, komanso ponena za zochitika za uinjiniya wakunja, chomangira cha bokosi cha konkire chopangidwa ndi malata chidzagwiritsidwa ntchito pomanga milatho ku China.