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Dear All, I am designing Variable Message Signs (Gantries) on a motorway in NorthWest England. The worst Loading condition leads to vertical and lateral loads [Pz and Px]on each Gantry foundation of 145 kN and 101 kN, respectively. In addition, there are bending moments [Mx, My, and Mz...

Thanks CVG. The bottom of the sheep crossing underpass (Culvert) is below the ground water level. This is a mistake that was not created by me, but I have to leave with it. The first reinforcement layer is 0.5m below the ground level at the underpass exit. Therrefore it is 0.95m below the ground...

Thanks Gabion Guy for your contribution. Is the PVC coated galvanized mesh for making reinforced earth or gabions? If for reinforced earth can you tell me who are the suppliers.

Thanks Gabion Guy. I will contact them. Two points I forgot to mention. They are: 1- the culvert will work like an underpass for sheeps below a road. So, the sheeps can eat the vegetation. 2- Due to some reasons, the ground water level is at the foundation level for the culvert at one end and...

I am designing the wing walls of a 2.5m*2.5m square culvert below a road in the northwest of the UK. The road side slopes are 2:1. The wing walls has a height that start at 4m and goes down to 0.0m at the end of the embankment slope. The wing wall inclination to the horizontal is 70 degrees, and...

Thanks JDMM for your reply. In the UK, the limit state is used in the design of foundations and earth retaining structures. However, in slope stability a partial safety factor is still used (FS=1.3) to make sure that the stress levels in the ground are permissible and wouldn't violate...

Thanks for very much your contributions. Would you kindly tell me more information about what the USS Highway design examples are (where are they published)? I am not living in the USA and searching in google brings a lot of documents (Thousands).

Thanks for the replies. I like to mention the following: 1- Allowable Pile Point Load is 2375 kN (I put Pall for another pile diameter in my previous mail). 2- Ground water level is about 1m below ground level. 3- The site is in northwest of England, so no earthquake. 4- Can you advise me...

We are designing a widening of a road to become a motorway. The cut sections for widening have heights of 6-8 m. The existing slopes have been stable for about 30 years with a 2:1 slope, and the cut for widening will create the same side slope. the clay has cu=84kPa, c' =21 kPa & Phi'=22...

I am amending a geotechnical report and making geotechnical design for a an integral bridge (one span of 30m) in a motorway to cross railway line. The abutment is 10 m high above the ground surface and founded on bored piles (mostly CFA piles but may be the 27 m piles will be constructed by...

Thanks for your replies. The reduction in settlement rate was probably due to the reduction of Cv, as the soil between the columns was disturbed during the columns' installation. However, I think that the settlement magnitude was probably halved (due to the stress concentration on the columns)...

Dear All, I am designing a road embankment (35 m wide at its crest )with its height increasing from 4 to 10 m along 420 m to cross a bridge. After the bridge the embankment height goes down from 10 to 3 m. The underlying soil consist of: about 0.9 m Top soil+Man Made Ground , underlain by...