What are NS-SP Steel Sheet Piles?

Sep 20, 2008
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NS-SP steel sheet piles are manufactured by Nissumi Metals and primarily come in three types: U-shaped, cap-shaped, and straight-web. NS-SP steel sheet piles are available in several common configurations, including IA, II, IIA, III, IIIA, IV, LV, LV, IIW, IIIW, and IVW. In marine environments, especially in warm climates, this material is susceptible to corrosion. The splash zone (between the mean low tide and the upper wave contact limit) and areas near the mudline are most susceptible to corrosion.

The total tonnage supplied was 541 tons. Due to the challenging construction conditions, all main wall piles were installed with pile shoes. Tie rods were supplied by Arcelor and ThyssenKrupp according to guidance and design. The supplied tie rods were M47 mm steel grade 950/1050, with a center spacing of 3.0 meters and a length of 15.0 meters. Prior to installation, the tie rods were wrapped with Denso tape.

A protective coating such as asphalt or steel sheeting is recommended. River Control Structures and Flood Control Projects: Steel sheet piles are traditionally used for riverbank support and protection, lock and sluice construction, and flood control. NS-SP sheet piles can be driven underwater, making them an excellent choice.

U type sheet pile

Section	Dimensions			Sectional Area	Mass		Moment of inertia	Modulus of section
	Width	Height	Thickness	Sectional Area	Pile	Wall	Moment of inertia	Modulus of section
	b	h/2	t
	mm	Mm	mm	cm2/pile	kg/m	kg/m2	cm4/m	cm3/m
NS-SP-ⅠA	400	85	8	45.21	35.5	88.8	4500	529
NS-SP-Ⅱ	400	100	10.5	61.2	48	120	8740	874
NS-SP-IIA	400	120	9.2	55.01	43.2	108	10600	880
NS-SP-Ⅲ	400	125	13	76.4	60	150	16800	1340
NS-SP-ⅢA	400	150	13.1	74.4	58.4	146	22800	1520
NS-SP-Ⅳ	400	170	15.5	97	76.1	190	38600	2270
NS-SP-ⅤL	500	200	24.3	133.8	105	210	63000	3150
NS-SP-ⅥL	500	225	27.6	153	120	240	86000	3820
NS-SP-ⅡW	600	130	10.3	78.7	61.8	103	13000	1000
NS-SP-ⅢW	600	180	13.4	104	81.6	136	32400	1800
NS-SP-ⅣW	600	210	18	135.3	106	177	56700	2700
NS-SP-SX10	600	130	10.3	78.7	61.8	103	13000	1000
NS-SP-SX18	600	180	13.4	104	81.6	136	32400	1800
NS-SP-SX27	600	210	18	135.3	106	177	56700	2700

Hat type sheet piles

Section	Dimensions			Sectional Area	Mass		Moment of inertia	Modulus of section
	Width	Height	Thickness	Sectional Area	Pile	Wall	Moment of inertia	Modulus of section
	b	h/2	t
	mm	Mm	mm	cm2/pile	kg/m	kg/m2	cm4/m	cm3/m
NS-SP-10H	900	230	10.8	110.0	86.4	122.2	10500	902
NS-SP-25H	900	300	13.2	144.4	113	160.4	24400	1610
NS-SP-45H	900	368	15	187.0	147	207.8	45000	2450
NS-SP-50H	900	370	17	212.7	167	236.3	51100	2760

Straight web type sheet piles

Section	Dimensions			Sectional Area	Mass		Moment of inertia	Modulus of section
	Width	Height	Thickness	Sectional Area	Pile	Wall	Moment of inertia	Modulus of section
	b	h/2	t
	mm	Mm	mm	cm2/pile	kg/m	kg/m2	cm4/m	cm3/m
NS-SP-FL	500	44.5	9.5	78.57	61.7	123	396	157.1
NS-SP-FXL	500	47.0	12.7	98.36	77.2	154	570	196.7

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