Technical Information Styropor 800 - Geo

1 GeneralThe main consideration when con-structing roads on poor load-bear-ing subsoil is that every load deformsthe soft soil layers; and the greaterthe load, the greater the deforma-tion. This deformation process con-tinues over years, depending on thethickness of the soil layers. The lowshear resistance of poor loadbear-ing subsoils means that concen-trated loads should be avoided asfar as possible, otherwise theselayers will give at the sides. Com-pensating for this form of subsi-dence by laying new material leadsto further settlement due to theadditional conventional techniques of sub-soil improvement by complete orpartial replacement of the soil areoften time consuming and thereforecostly. By employing lightweightmaterials, the weight of the roadembankment and with it the loadon the subsoil is reduced largely subsidence-free method ofconstruction is thus obtained whenpractically no additional loads arebrought to bear ie, by usingextremely lightweight materials inthe embankment such as blocks ofStyropor foam (see figs.)

1 General The main consideration when con-structing roads on poor load-bear-ing subsoil is that every load deforms the soft soil layers; and the greater

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