Structural Analysis and Design of Process Equipment 2nd. Edition by Maan H Jawad; James R Farr | 9781615833290 | 1615833293 | Holooly

Structural Analysis

Structural Analysis and Design of Process Equipment

127 SOLVED PROBLEMS

Question: 11.8

Determine the reinforcement requirements for a 6 -in. ID nozzle that is located at the junction of a cylindrical shell and a hemispherical head. The entire opening is in the cylindrical shell, but the reinforcement extends in both directions – some into the head and some into the shell. The ID of ...

Verified Answer:

1 . The minimum required thickness of the cylindri...

Question: 11.4

Figure 11.10 shows a 66-in. ID steam drum containing five different diameters and two types of nozzles. What are the nozzle reinforcement requirements? The design data are Design pressure = 2875 psi. Design temperature = saturation at design pressure approximately 689°F. Materials 70,000 psi UTS ...

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1 . Minimum required thickness of shell at E = 0.9...

Question: 17.9

The rectangular cross-sectional header in Example 17.7 is made according to ASME Code, VIII-1, rules. What are the bending stresses at the midpoints of both the short-side and the long-side? ...

Verified Answer:

Knowns: H = 7.25 in.; h = 14 in.; t = 1 in.; c = 0...

Question: 16.11

For the tall vessel described in Example 16.10, what are the longitudinal stresses when the vessel is designed for earthquake zone 2 using the Uniform Building Code? ...

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It is necessary to determine the lateral earthquak...

Question: 16.1

A vertical vessel with a cylindrical shell and hemispherical heads is installed inside a building in Boston. The shell is 5 ft inside diameter, 0.5 in. nominal thickness, and 30 ft from tangent to tangent. The vessel contains a fluid at 35 lb/ft³. The purchase order specifies that the UBC be ...

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The UBC specifies that the total lateral earthquak...

Question: 17.11

The header in Example 17.9 is to be built with a shortened length where L1 = 12 in. What is done to the header axes for analysis and what are the stresses at the midpoints of the short-side and the long-side? ...

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Calculate the header geometry properties as follow...

Question: 17.10

The header in Example 17.9 is to be built with a shortened length where L1 = 18 in. What are the stresses at the midpoints considering the shortened length? ...

Verified Answer:

L_{1}

= 18 in.; H = 7.25 in. ; and ...

Question: 17.8

A rectangular cross-sectional header is made from two C-sections and butt welded along the center of the short-sides. The weld joints are spot examined with the backing strip left in place (from Table UW-12 of the ASME Code, VIII-1, E = 0.8 ). The design pressure is 115 psi at room temperature, and ...

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1 . Calculate the ligament efficiency of the long-...

Question: 12.5

The ring girder shown in Fig. 12.14 is supported at eight points. If W = 200 kips, find the forces in the ring at the supports and at the point of maximum torsional moment. ...

Verified Answer:

w=\frac{ W }{\pi d}=\frac{200}{(\pi)(100)}=...

Question: 15.3

A layered vessel with a 42 -in. inner diameter is constructed of carbon steel with E = 29,000,000 psi. Determine the maximum allowable gap if P = 4000 psi , Sm = 20,000 psi, and the maximum cycle life of the vessel is 10,000 cycles. ...

Verified Answer:

From Division 2 of the ASME Code, VIII, Fig. 5-110...

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