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Hi Everybody, My client planned to construct a Tank foundation with piles near the existing plant. The issue is, what is safe distance to drive a pile to avoid vibration on the existing structures. I need this answer with a supporting document. Pleas help me with a solution!

Hi Everyone, I am facing a technical issue at a Brownfield Oil and Gas plan. My client wants to do some construction activity, but there is an operating Gas/Oil underground pipe near by. He is asking what is the allowable distance for safe operation from the Pipe. Please note that, he needs...

Hi Everybody, We have a existing Well-pad resting on the soil, and there is a pipe at the center of the Well-head. The drilling ring will drill through the pipe (see the picture given below). We need to modify the existing depth of the well-pad for some technical reasons, and the following...

Hi, I have a pipe rack of length 10m x width 5.7m x height 2.5m. It has plan brace as well as horizontal bracing as shown in the picture attached. The columns and the vertical brace are of HE 300B and HE 180A. The Pipe Rack supports a pipe which is anchored to the transverse beam(HE400A). The...

Hi Everybody, I have a base plate with Stiffeners and Anchor bolts. Please help me to calculate the base plate thickness when the middle anchor bolt is subjected to tension and has stiffeners on its both sides as shown in the picture.

Hi Everybody, I have a channel simply supported between the columns as shown in the figure attached. The channel is connected to the column flange by a shear tab or fin plate. (i)As per AISC 360-05 clause F1 "The provisions in tis chapter are based on the assumption that the points of support...

I have three Spread Footing Foundations FD1,FD2,FD3. The Height of the Foundations H = 1.5 meter. The spacing between the Foundations are L1 and L2 = 0.5 meter. My foundations are weak in sliding, hence I am taking the benefit of passive resistance of soil but you can see that the clear distance...

Hi, I need to know the minimum depth of Embedment below the Anchor Bolt also specify the reasons behind it. One of the factors is side face blow out.

Hi I have a shear tab connection of HE400 A (European Section) longitudinal beam with HE300 A column as shown below. The cross looks like this When some pipe supports are supported on the longitudinal beam, as shown the picture above shall cause torsion on the beam. The beam is...

Hi, I have a simply supported I-beam, connected by fin plate connection. Will this beam can take torsion. As per AISC design guide 9 simply supported beam takes torsion. According to me this beam will never take torsion. Please correct me.

Hi can anybody explain with picture about the angle design procedure as explained by aisc 360-05. please explain me about the picture in detail.

HI I have a Bridge pipe rack of 12meter long x 3meter wide and 7 meter tall. The longitudinal beam is connected by plan and vertical braces as shown in the picture. 1. The effective length of longitudinal beam Lx and Ly is 2m since it is braced in vertical and longitudinal direction...

Hi Everybody The Picture attached shows a post installed anchor bolt being pretension-ed. Case a - Concrete breakout takes place under the anchor bolt due to pretensioning. Case b - Concrete breakout doesnt occur since the nuts are in compression and the bolt is in tension. Can you please...

Hi I have an End Plate Moment Connection, where there is tension in the End plate T1 From the Structural bolt. Can anybody help me to calculate the thickness of the end plate due to tension of anchor bolt.

Hi, I have a underground in which the Pipe is Anchored as shown in the Figure below. The Pit is formed by keeping a hole as shown in the elevation for pipe flange connection. Later the Pipe is installed and grouted as shown in the elevation and section. The grout locks with the wall. The...

Hi, I have a Pile Mat of 10 meter x 15 meter supported on Pile. It has a opening of 5M x 3M as shown in the picture attached. Can any body explain me how to provide the diagonal reinforcement around the opening, and why it is provided.

Hi, I have a two level pipe rack, First level supporting pipe is at the elevation of 2.5 m above Grade. Second level supporting cable tray is at elevation of 5m above grade. The pipe rack is subjected to thermal seismic and all other kinds of loads. Unfortunately a column in piperack is...

Hi, I have a Spread footing where the ratio of Horizontal Load Fa to the Frictional resistance, = Fa/Fr=1.1 <1.5 To increase the Factor of Safety(F.O.S) of sliding, 50% of the passive pressure with Frictional was considered. However I am not confident with 50% passive pressure together...

Hi, I have a existing Isolated foundation. The existing compression load and moment on the plinth where increased. Hence the foundation is modified as shown in the picture attached. If the bars where do welled in tho the existing foundation as shown in the picture below. It is like an...

Hi, I have a Mass concrete in which a Steel Ribbed rebar is welded to the embedded plate as shown in the Figure attached. The Rebar is subjected to tension to its full tension capacity, and it is Embedded in concrete to its full development length. How the rebar would pull out concrete in a...