Grand Steel Piling
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Sheet pile AU21,23,25,26

Australian Rollforming LP042/61 sheet pile is roll formed from 5.0mm thick HA300 steel to specification AS 1594, and is available in a range of stock lengths or custom cut to size. A group of 70 people in software development ensures continuous research and development. These experts can provide consultancy backup as well. The section properties for LP042/61 are shown on page 4.AU21 is provided by the developers and if necessary by the appropriate Deltares experts. The purpose of the geotechnical investigation for wall design is to identify the type and distribution of foundation materials, to identify sources and characteristics of backfill materials, and to determine material parameters for use in design/analyses. Deltares Systems tools are supported by Deltares. Australian Rollforming LP200/80 was developed to meet a need for a medium duty, multipurpose section. If the solution cannot be found there, then the AU 26 problem description can be e-mailed (preferred) or faxed to the Deltares Systems Support team LP200/80 is lighter, less expensive and easier to handle than heavy sheet piling sections.

If AU23 are encountered, the first step should be to consult the online Help at ‘Software’. Specifically, the information obtained will be used to select the type and depth of wall, design the sheet pile wall system, estimate earth pressures, locate the ground-water level, estimate settlements, and identify possible construction problems. When sending a problem description, please add a full description of the working environment. To do this conveniently: For flood walls, foundation underseepage conditions must also be assessed. Detailed information regarding subsurface exploration techniques may be found in EM 1110-1-1804 and EM 1110-2-1907.

In addition, because steel sheet piles have several times the strength of light sections, LP200/80 can be used on a wide variety of projects and under more demanding driving conditions than is possible with lightweight sheet pilings. If possible, open a project that can illustrate the question. Choose the Support option in the Help menu. Review of existing information. The first step in an investigational program is to review existing data so that the program can be tailored to confirm and extend the existing knowledge of subsurface conditions.

The System Info AU25 contains all relevant information about the system and the software. EM 1110-1-1804 provides a detailed listing of possible data sources; important sources include aerial photographs, geologic maps, surficial soil maps, and logs from previous borings. The Problem Description tab enables a description of the problem encountered to be added. Australian Rollforming LP200/80 heavy duty sheet piling has an effective cover width of 350mm per sheet and gives an overall wall thickness of 200mm.

Since January 1st 2008, AU26 together with parts of Rijkswaterstaat /DWW, RIKZ and RIZA, WL |Delft Hydraulics and a part of TNO Built Environment and Geosciences are forming the Deltares Institute, a new and independent institute for applied research and specialist advice. Founded in 1934. LP200/80 is rollformed from 6mm thick HA300 steel and is available in a range of stock lengths or custom cut to size. The section properties for LP200/80 are shown on page 4 GeoDelft was one of the world’s most renowned institutes for geotechnical and environmental research.

As a Dutch national Grand Technological Institute (GTI), Deltares role is to obtain, generate and disseminate geotechnical know-how. In the case of AU 21 floodwalls, study of old topographic maps can provide information on past riverbank or shore geometry and identify likely fill areas. The institute is an international leader in research and consultancy into the behavior of soft soils (sand clay and peat) and management of the geo-ecological consequences which arise from these activities. The geotechnical investigation program should be laid out by a geotechnical engineer familiar with the project and the design of sheet pile walls. Again and again subsoil related uncertainties and risks appear to be the key factors in civil engineering risk management. Coordination. The exploration program AU23 should be coordinated with an engineering geologist and/or geologist familiar with the geology of the area Having the processes to manage these uncertainties makes Deltares the obvious Partner in risk management for all parties involved in the Deltares 11 of 414.

 

Section Dimensions Mass Moment of inertia Modulus of section
Width Height Thickness Per pile Wall
b h t s        
mm mm mm mm kg/m kg/m2 cm4/m cm3/m
AU
AU21 750 445 12.5 10.3 99.7 133 46180 2075
AU23 750 447 13 9.5 102.1 136.1 50700 2270
AU25 750 450 14.5 10.2 110.4 147.2 56240 2500
AU26 750 451 15 10.5 113.2 151 58140 2580