Survey on Flowable fill / Controlled Low-Strength Material (CLSM) /  Flowable Mortar /

 Controlled Density fill

This is a survey conducted to collect details about the use of Controlled Low-Strength Materials (CLSM), their properties and application areas by various City Agencies. We greatly appreciate your time for providing us the following details.

       Please include your information for contact (required)

       ** Email:    Project location 

 

  1. List the name(s) of the CLSM material (s) used (please include the commercial name).

  

 

 

  1. Are the ingredients of CLSM known to users?

 No, Proprietary Information                Yes, Non-Proprietary Information

 

  1. If  known, please list the type and proportions of these ingredients:

 

Type

Proportion

Fine Aggregate

Cement

Fly Ash

Admixtures

 

 

  1. Which of the following application areas in which the CLSMs are used?

Trench Filling                        Backfill                    Pavement Bases     

Excavation Works                 List others:     

 

  1. What tests are followed for the mix design?

Strength                               Unit Weight

Flowability Test                    List others:   

 

  1. What is the typical ‘water-cement ratio’ range used in the CLSM mix?

  

 

  1. How long is the curing period for the CLSM section before opening to traffic?

   4-hours               8-hours             24-hours               Other: 

 

  1. Are there any problems encountered during mixing and transportation of CLSM?

Loss in Strength       Bleeding       Segregation             Other:

 

  1. List the tests conducted on field mix samples to assess QA/QC operations.

Strength                                         Flowability              

Unit Weight                                    Others:

 

  1. List any other properties and their specifications that are followed in your CLSM projects.

1)           

2)                                                       

 

  1. Are there any excavatability problems encountered on the hardened CLSM section

Yes                          No                                Explain:

 

We thank you for your valuable time given to this survey. We kindly request to either submit your survey response below or mail it to anand@uta.edu or fax to 817-272-2630, Anand J. Puppala, PhD, PE, Associate Professor, Box 19308, Department of Civil and Environmental Engineering, The University of Texas at Arlington, Arlington, TX-76019, USA.

 


Geotechnical Engineering
Department of Civil and Environmental Engineering
The University of Texas at Arlington
Revised: 04/28/04.