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thread507-393555 Back to last August when I copied news on the same topic, it was kind of a theory, but seems now it is undergoing application... Following link for an intresting news and short Video from Reuters. http://reut.rs/1EyiyyK

Thanks JStephen for the informative post. The news does not seem consider this topic as a since fiction these days, in fact space elevator is being discussed as if it is the next step into human-space journey!!! Even there are news of Google involvement in such idea... It might be a trillion...

It is Canadian Patent, Would it be possible to have such 20 km freestanding structure? Inflatable as mentioned in the news, what about the wind load and the sway!!! http://www.theguardian.com/science/2015/aug/17/space-elevator-thothx-tower

Dear Colleagues, For elevated steel structure walkway bridge, My particular case is exposed to hot and humid climate most of the year. Any guidance where I can find good references for recommended frequency and checkups guidelines? Even if it is for cold weather places, Thanks

Dear colleagues, For a project that will be facing 5 stories hospital having several critical wards including baby's intensive care unit (at first 2 levels) It is big project with nearest boundary is 20 meters, with direct exposure of 100 meters along that boundary. I have my concerns of...

Dear Colleagues, Im have an existing 4" concrete block wall in which it is required to be cladded in one side with lead sheets weight per m2 is 80 kg/m2. I need guide to any helpful literature about allowable cladding weight for such concrete block wall. Thanks

Thanks colleagues for your help. The parking for small veihcles; sedan, suv. Have consulted specilist friends and same agreement with you inputs. Thanks all

Dear Colleagues, For a parking area, Can we place 75 mm Cold recycled Asphalt on Stiff well compacted soil (made of Class 3 backfill), without placing of the standard Roadbase layer? If roadbase layer is a Must, what would be minimum thickness in such case? Regards,

Thanks colleagues But why wouldn't you use motor oil dear hokie66? Just for knowledge. .. Regards

Thanks dear gr2vessels I meant that I want to protect internal side of the pipe by applying grease/oil so I wanted to get a knowledge if there are any oil/grease that may ha e harmful effect rather than protection. The structure will be air tight from inside, but thought coat of oil will also...

Hi colleagues Is there any types/components of grease that would be harmful to structural MS pipes? The approach is prevent internal pipe corrosion. Thanks

The columns are designed to carry the latteral loads.there will be roller supports at both ends of the walkway. Height from ground is 5 meter. Length 45. Exposure to wind is limited. Regards

Thanks for the inputs Any reference in regards the need/or not to have the expansion joint? Especially In terms of thermal expansion/contraction. In terms of deflection it is limited to 10 mm. The elevated walkway will connect between 2 existing buildings; that is why I have placed in both...

I thought of it but it is not single span till the buildings in both sides there are columns in between. Regards

http://upload.wikimedia.org/wikipedia/commons/c/c4/Elevated_walkway_leading_to_the_Sainsbury_Centre_for_Visual_Arts_-_geograph.org.uk_-_673768.jpg

Appology for See the central column in attached picture. Similar case im talking about. But 2 columns supporting the concerened section. Regards

Thanks colleagues Actually I mean the walkway is being supported by steel column in which I wanted to allow for one direction movement. My qpproach is that I wanted to prevent "if possible" the tear of column top base plate in contact with the bolts the same fore thd bolts. The supported spans...

Hi For elevated walkway steel structure supporting column top connection. I want to have unrestrained one direction move bolted connection to allow for thermal and deflection caused expansion and contraction to act as expansion joint. Using base plate with slot bolt connection should suit my...

Thanks all for your valuable contribution. The electrodes packet as answered by the senior suprviser is finished in 1.5 to 2 hours from opening. The climate was mild with humidity of 50 or 60%. There was no rain. Will conduct the tests next week. Regards

Thanks Al Tomorrow will conduct fracture test on a joint done under same conditions. And will conduct as first step NDT for selected joints. If results not satisfactory. Will do for all. But what would be the most beneficial NDT here? Regards