Suit­abil­i­ty of sub­sti­tute build­ing mate­ri­als for tech­ni­cal struc­tures

Sub­sti­tute build­ing mate­ri­als are used in many ways, eg. unbound in road, road and traf­fic sur­face con­struc­tion as well as in earth­works. Sub­sti­tute build­ing mate­ri­als can be recy­cled on the one hand from min­er­al build­ing waste, such as soils and rub­ble, or from indus­tri­al by-prod­ucts, such as elec­tric fur­nace slag, slags and ash­es from waste incin­er­a­tion, foundry sands, etc., to con­serve nat­ur­al resources.

One pre­req­ui­site is that the sub­sti­tute build­ing mate­ri­als are sub­ject to qual­i­ty con­trol and come from qual­i­ty-con­trolled com­pa­nies. The focus here is on the struc­tur­al suit­abil­i­ty of the replace­ment build­ing mate­ri­als in rela­tion to the per­for­mance of the prod­ucts or require­ments for their com­paction and sta­bil­i­ty.

Envi­ron­men­tal pro­tec­tion for soil and ground­wa­ter also defines eco­log­i­cal min­i­mum require­ments for qual­i­ty assess­ment in accor­dance with the require­ments of soil pro­tec­tion law. In this regard, an envi­ron­men­tal suit­abil­i­ty is required. How­ev­er, the appro­pri­ate tools for this are miss­ing in order to be able to make a site-spe­cif­ic deci­sion in each case so that recy­cled con­struc­tion mate­ri­als have an improved chance of being used in free com­pe­ti­tion.

WE pro­vide this, so far miss­ing, link­ing the con­struc­tion and envi­ron­men­tal prop­er­ties and the data of the site with the impact on the envi­ron­ment. In this way, we pro­vide proof that the use of select­ed sub­sti­tute build­ing mate­ri­als does not endan­ger the pro­tect­ed goods soil and ground­wa­ter in the long term.

WE car­ry out the site-spe­cif­ic proof of emis­sion safe­ty already in the plan­ning phase of the pro­cure­ment. In this way, we con­tribute to greater accep­tance and will­ing­ness to use replace­ment build­ing mate­ri­als in con­struc­tion mea­sures and to reduce envi­ron­men­tal bar­ri­ers. Thus, the pre­vi­ous­ly exploit­ed recy­cling options for sub­sti­tute build­ing mate­ri­als can be secured and strength­ened in the future as well as expand­ed.

The advan­tage is that we always car­ry out the ver­i­fi­ca­tion of prod­ucts and loca­tions. We link the min­i­mum require­ments for the replace­ment build­ing mate­ri­als with the site data. In this way, we can ensure that sub­sti­tute build­ing mate­ri­als are used accord­ing to their prop­er­ties and are not used for sub­or­di­nate pur­pos­es. And you can deliv­er exca­vat­ed soil and min­er­al waste to high-qual­i­ty recy­cling and tap new areas of appli­ca­tion and recy­cling. In addi­tion, you incur high costs for com­plex treat­ment tech­nol­o­gy and com­plex tech­ni­cal solu­tions.

Togeth­er, we can con­tribute to improved resource effi­cien­cy and safe­guard region­al waste man­age­ment secu­ri­ty.

Clas­sic recy­cling and sales chan­nels for replace­ment build­ing mate­ri­als are:

  • Floors for recul­ti­va­tion mea­sures
  • Recy­cling in land­fill con­struc­tion
  • Instal­la­tion as road build­ing mate­ri­als for super­struc­ture, antifreeze lay­er, grav­el base course
  • Antifreeze body under indus­tri­al build­ings
  • Pro­duc­tion of tem­po­rary con­struc­tion roads
  • Dams, visu­al and noise bar­ri­ers
  • Soil replace­ment mea­sures, u. a. to improve the load-bear­ing capac­i­ty of soils
  • Replen­ish­ment of work­ing areas or back­fill­ing in pits, frac­tures and open­cast mines

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