Grand Steel Piling
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U type sheet pile (LARSSEN 618C, LARSSEN 619, LARSSEN 620, LARSSEN 621C)

 

 

Section

Dimensions

Mass

Modulus of Section

Moment of inertia

Width

Height

Thickness

Thickness

Per pile

Wall

w

h

t

s

 

 

 

 

mm

mm

mm

mm

kg/m

kg/m2

cm3/m

cm4/m

LARSSEN 408

400

200

10.5

7.8

48

120.1

874

8740

LARSSEN 413

400

250

13

8.9

60

149.9

1340

16800

LARSSEN 422

400

340

15.5

10.4

76.1

190.4

2270

38600

LARSSEN 607

600

309

7.4

7.3

49.4

82.3

754

11643

LARSSEN 608

600

310

8

7.8

52.2

87

810

12559

LARSSEN 609

600

312

9

8.5

56.8

94.7

904

14103

LARSSEN 610

600

330

8.4

7.1

55.3

92.1

1037

17103

LARSSEN 611

600

330

9

7.4

58.1

96.9

1100

18149

LARSSEN 612

600

330

10

8

62.9

104.8

1204

19872

LARSSEN 612C

600

330

10

10

68.9

114.8

1269

20936

LARSSEN 613

600

409

8.4

7.7

61.3

102.1

1328

27191

LARSSEN 614

600

410

9

8

64.1

106.8

1408

28859

LARSSEN 615

600

411

10

8.5

68.8

114.6

1540

31639

LARSSEN 616

600

409

9.4

8.2

69.2

115.3

1605

32858

LARSSEN 617

600

410

10

8.4

72.1

120.1

1690

34645

LARSSEN 618

600

411

10.9

8.8

76.4

127.4

1817

37348

LARSSEN 618C

600

360

13.4

9

81.6

136

1800

32400

LARSSEN 619

600

419

11.6

9

78.8

131.4

1920

40261

LARSSEN 620

600

420

12.2

9.2

81.6

136

2005

42105

LARSSEN 621C

600

421

13.2

9.6

86.3

143.8

2146

45180

LARSSEN 621T

600

411

13

8.7

82.2

137

2067

42480

LARSSEN 622T

600

412

14

9.1

86.9

144.8

2206

45441

LARSSEN 623

600

430

14

9.4

89.5

149.2

2343

50376

LARSSEN 624

600

435

13.8

9.2

91.2

152

2424

52763

LARSSEN 625

600

436

14.4

9.4

94

156.7

2512

54771

LARSSEN 626

600

437

15.4

9.8

98.9

164.8

2660

58118

LARSSEN 627C

600

420

18

11.8

106.2

177

2700

56700

LARSSEN 627

600

455

14.5

9.5

96.9

161.6

2701

61468

LARSSEN 628

600

456

15.3

9.8

100.8

168

2823

64375

LARSSEN 630

600

457

16.3

10.2

105.7

176.1

2976

68010

LARSSEN 631

600

451

18

10.3

109.1

181.9

3073

69300

LARSSEN 632

600

452

19

10.7

114

190

3200

72320

LARSSEN 633

600

453

19.8

11

117.7

196.2

3340

75618

LARSSEN 723

750

447

13

9.2

101.2

134.9

2254

50359

LARSSEN 725

750

450

14.6

10

110.4

147.2

2502

56301

 

U type sheet pile the eddies LARSSEN 618C were a result of the LARSSEN 619 sharp corners at the entrance LARSSEN 620 to the channel and produced LARSSEN 621C areas of slower velocity. Materials within LARSSEN 618C the casing are then removed LARSSEN 619. Rotary-drill coring equipment LARSSEN 620 is then inserted into the casing to LARSSEN 621C remove the core. Unfortunately the best time for carrying out engineering works LARSSEN618C in a river is normally in the summer.

 

U type steel sheet pile the cofferdam LARSSEN618C joined the channel LARSSEN619 at right angles, and rather than LARSSEN620 forming smooth, rounded entrances, they LARSSEN621C jutted into the flow. Probing serves LARSSEN 619 mainly to determine the depth to the surface of rock or hardpan. Before LARSSEN 618C embarking on a major weir LARSSEN 620 rehabilitation project, it is important to gain as much information LARSSEN 621C about the weir as possible.

 

The arrangement of LARSSEN618C the diversion cofferdams used for the original Lower Granite Dam's construction LARSSEN619 created eddies along the sections of cofferdam parallel to LARSSEN619 the lock wall. It obtains bottom materials and tests LARSSEN620 bottom hardness. Lengths of pipe are LARSSEN620 forced. A particular problem LARSSEN621C associated with old masonry weirs is the loss of mortar joints and subsequent LARSSEN621C dislodging of masonry blocks on the glacis.