The invention relates to a mortar or concrete produced with a hydraulic binder, comprising aggregates from cinders from the bottom of urban waste incinerators and/or from slurry from wastewater purification stations, or other natural or artificial aggregates, of different particle sizes depending of the use thereof as mortar or concrete, and a binder consisting of: glass and/or other pozzolans; pure Portland clinker with gypsum or plaster of Paris, or the resulting cements following the grinding thereof; and/or optionally lime, depending on the quantity of glass and/or pozzolans; all of the materials forming the base of the binder being ground and mixed together until a conglomerate is obtained, together with the aggregates, with cementing mineral neoformations and a strong pozzolanic character.

Mortar or concrete produced with a hydraulic binder

Methods including taking a gamma spectrum from a wellbore at a target depth, wherein the wellbore penetrates a subterranean formation and has a completion profile comprising a pipe and an annulus between the pipe and the subterranean formation; determining a cement volumetric void space in the wellbore at the target depth; establishing a cement-void-spatial calibration curve based on obtained gamma spectra representing cement spatial void space locations in the annulus of the completion profile, wherein each cement volumetric void space amount in the wellbore has a characteristic cement-void-spatial calibration curve; comparing the wellbore gamma spectrum and the cement-void-spatial calibration curve; and determining a location of the cement volumetric void space in the wellbore at the target depth.

Evaluating And Imaging Volumetric Void Space Location For Cement Evaluation

Methods and systems including establishing a wellbore heterogeneity profiling factor (HPF), establishing a cement quality curve representing a volumetric void space of a completion profile, and comparing the wellbore HPF and the cement quality curve, thereby determining a cement volumetric void space in a wellbore at a target depth having the completion profile.

Heterogeneity profiling analysis for volumetric void space cement evaluation

Embodiments of a dry mix for producing a concrete composition are provided. The dry mix includes aggregate, cement, and bed ash. The bed ash contains the combustion product of a fluidized bed coal combustion reaction. Additionally, embodiments of a method of preparing the dry mix and embodiments of a method of preparing a concrete composition are provided. The dry mix is also suitable for repairing soil slips, and embodiments of a method of repairing a soil slip are also provided.

Dry Mix and Concrete Composition Containing Bed Ash and Related Methods

The invention relates to a method for adjusting floor hot-pressing time according to the floor curing degree The method comprises a step of detecting the floor curing degree, and the step of detecting the floor curing degree comprises the following substeps that sampling is conducted; 02 mol/L of hydrochloric acid is prepared; the hydrochloric acid solution is put into a glass dish, the glass dish is turned upside down on the surface of a specimen, and standing is conducted for 24 h; a quartz dish is adopted for taking the hydrochloric acid solution, the hydrochloric acid solution is put into spectrophotometer to be measured, the wave length of the spectrophotometer is 235 NM, before testing, the spectrophotometer is subjected to zero setting with 02 mol/L of hydrochloric acid, and a spectral value is obtained; according to the spectrophotometric value, the hot-pressing time is reset Accordingly, by conducting curing degree detection on the floor curing degree for each batch, the hot-pressing time of raw materials of each batch is adjusted through hot-pressing equipment, in this way, the pressing quality of the raw materials of each batch is guaranteed, and the curing degrees of floors produced each time are basically the same

Method for adjusting floor hot-pressing time according to floor curing degree

Process for manufacturing a composition of cement made of waste or virgin materials of various kind, adapted to be used with the function of material having good thermal conductivity, particularly in the building industry, as self-levelling screed for covering the heating panels to be applied on to the floors of traditional type. Process utilizing component materials from which the metallic materials have been eliminated, and the aluminium has been eliminated or reduced up to a percentage lower than 1% by weight, by means of a specific de-aluminizing process. Also a composition of cement obtained with such manufacturing process is described.

Process for manufacturing a composition of cement made of waste or virgin materials of various kind and composition of cement obtained therefrom

The present invention relates to an apparatus and process for recovering and washing waste insulating materials of various kind in view of obtaining ground insulating materials capable of being recycled for reuse in different applications, wherein the apparatus comprises a first apparatus section (5,6,7), in which said waste insulating materials are recovered and appropriately treated so as to produce ground waste materials that are duly cleaned, disinfected and sanitized; a second apparatus section (8,9,10), in which the liquids contained in the waste insulating materials are separated therefrom and the so separated liquids are properly cleaned, to remove soil and contaminants therefrom, and then disinfected and sanitized in view of using the so cleaned, disinfected and sanitized liquids in said first section of the apparatus; and a third apparatus section (115,116,117,121,122,124,126,127,132,136), in which the waste materials, as duly ground, washed, disinfected and sanitized, are finally stored in view of a subsequent re-utilization thereof and transportation to the places where they will be so re-used. The various component parts of the first, second and third sections of the apparatus are described along with the various steps of the process used to recover and wash the waste materials in the inventive apparatus.

Claudio Pelusi

Papers

Process for manufacturing a composition of cement made of waste or virgin materials of various kind and composition of cement obtained therefrom

Apparatus and process for recovering and washing waste materials of various kinds for obtaining ground insulating materials