Geosense Quick Joint Manual de usuario

V1.4 March 15

INCLINOMETER

CASING

QUICK JOINT (QJ)

V1.4 March 15

CONTENTS

Page

1.0 INTRODUCTION 5

1.1 Applications 5

1.2 Advantages 5

2.0CONFORMITY 6

3.0 MARKINGS 6

4.0DELIVERY 7

4.1 Packaging

4.2 Handling

4.3 Inspection

4.4 Storage

5.0 COMPONENTS & ASSEMBLY 8

5.1 QJ Casing sections 8

5.2 End caps 10

5.2.1 Standard cap 10

5.2.2 Grout valve cap 10

5.2.3 Grout anchor cap 11

5.2.4 Grout anchor with valve cap 11

5.2.5 Top cap 12

5.2.6 Protection 12

5.3 Telescopic joint 13

5.4 Repair coupling 14

5.5 GXM 300I Combined settlement system 15

6.0 INSTALLATION PLANNING 16

6.1 Installation considerations - all install types 17

6.2 Alignment

7.0 INSTALLATION - VERTICAL BOREHOLE 17

7.1 Borehole depth & cleanliness 17

7.2 Installation overview 18

7.3 Buoyancy 19

7.4 Grouting 19

7.5 Grouting methods 21

7.5.1 Pre-grouting with external grout pipe 21

7.5.2 Post-grouting with external grout pipe 22

7.5.3 Post-grouting with a grout valve 23

7.6 Installation procedure 24

7.6.1 First section 24

7.6.2 Subsequent sections 26

7.7 Orientation 28

7.8 Removing temporary casing 28

7.9 Protection 28

V1.4 March 15

CONTENTS

Page

8.0 INSTALLATION - VERTICAL FILL 29

9.0 INSTALLATION - HORIZONTAL 30

9.1 Preparation for installation 30

9.2 Within re-bar cage 31

9.3 Dead-end pulley 33

9.4 Within trench 33

10.0 SPECIFICATION 34

11.0 SPARE PARTS 35

12.0 RETURN OF GOODS 36

13.0 LIMITED WARRANTY 37

V1.4 March 15

It is VITAL that personnel responsible for the

installation and use of Inclinometer Casing READ and

UNDERSTAND the manual, prior to working with the

equipment.

1.1 Applications

Geosense®QJ (Quick Joint) Inclinometer Casing is for use with inclinometer

systems for monitoring stability & movement of:-

• Slopes

• Embankments

• Diaphragm & sheet piled walls

• Deep foundations

• Tunnelling operations

• Piles

• Pre-loads

• Deep excavations

Manufactured from high impact virgin ABS material, it has four internal grooves formed at

90 degrees into the internal surface into which inclinometer probes (Portable or In-Place)

can be inserted to carry out profile monitoring of the casing which will deform with any

ground movement.

It is available in standard 3 & 1.5 metre lengths with QJ (Quick Joint) flush couplings at

each end which can be easily pushed together to provide a watertight self locking joint

while maintaining precise groove alignment and high collapse resistance.

Geosense®QJ Inclinometer Casing can be installed vertically, inclined or horizontally in

boreholes, embedded in fill material, cast into concrete or attached to structures.

1.2 Advantages

QJ Inclinometer Casing requires no special tools, glues or rivets for installation resulting

in much faster installation, especially in deeper installations.

As it is flush coupled it can be installed in smaller boreholes and utilised in combination

with magnetic settlement systems.

1.0 INTRODUCTION

This manual is intended for all users of Quick Joint (QJ) Inclinometer Casing

manufactured by Geosense®and provides information on installation, operation and

maintenance.

V1.4 March 15

2.0 CONFORMITY

This product is NOT covered by any CE directives and therefore CANNOT be CE marked.

3.0 MARKINGS

QJ Inclinometer Casing is labelled with the following information:-

• Manufacturers website address

• Manufacturers telephone number

• Direction of installation arrows

• Batch number

V1.4 March 15

4.3 Inspection

It is important to check all the equipment in the shipment as soon as possible after

taking delivery and well before installation is to be carried out. Check that all the

components detailed on the documents are included in the shipment. Check that the

equipment has not been physically damaged.

IF COMPONENTS ARE MISSING OR DAMAGED, CONTACT

THE DELIVERY COMPANY, THE SUPPLIER AND GEOSENSE®.

4.4 Storage

QJ inclinometer Casing should be stored in the protective cardboard boxes in an

environment that is protected from weather and direct sunlight.

Boxes may be stacked up to a maximum of six high.

4.0 DELIVERY

This section should be carefully read by all users of Geosense®QJ Inclinometer

Casing.

4.2 Handling

Whilst QJ inclinometer Casing is tough and durable, care should be taken when

handling so as not to damage it by dropping it or dragging the machined ends on

hard surfaces.

The female end is fitted with an O-ring and care should be taken when handling to

ensure that this is not removed or disturbed.

4.1 Packaging

QJ Inclinometer Casing is packed in protective cardboard boxes for transportation

to site. Packaging is suitably robust to allow normal handling by transportation

companies. Inappropriate handling techniques may cause damage to the packaging

and the enclosed equipment. The packaging should be carefully inspected upon

delivery and any damage MUST be reported to both the transportation company and

Geosense.

V1.4 March 15

It is VITAL that personnel responsible for the installation and

use of the QJ Casing READ and UNDERSTAND the manual,

prior to working with the equipment.

**********

As stated before, it is vital to check all the equipment in the shipment soon after

taking delivery and well before installation is to be carried out. Check that all

components that are detailed on the shipping documents are included.

5.0 COMPONENTS & ASSEMBLY

This section of the manual is intended for all users of Geosense®QJ Inclinometer

Casing and is intended to provide guidance with respect to its installation.

It must be remembered that no two installations will be the same and it is inevitable

that some ‘fine tuning’ of the following procedures will be required to suit specific site

conditions.

5.1 QJ Casing sections

Each section of the QJ Inclinometer Casing has a male end with a locating peg and

a locking ring and a female end with a keyway, O-ring and locking groove.

1. Locating peg

2. Alignment slot

3. External locking ring

4. Internal locking groove

5. Internal O-ring

6. Installation direction arrow

V1.4 March 15

5.0 QJ sectios contd..

QJ INCLINOMETER CASING SHOULD BE

INSTALLED WITH THE MALE END

DOWNWARDS

Lengths of Casing should be joined together as follows:-

STEP 1

Place male end into female end with locating peg on the

male end aligned with the keyway on the female end.

THE FEMALE END HAS A FACTORY

GREASED O-RING. CARE SHOULD BE

TAKEN TO PREVENT EITHER END OF THE

CASING BECOMING CONAMINATED WITH

DEBRIS WHICH WILL AFFECT THE SEAL

STEP 2

Push home the male joint into the female until it has

“snapped” together (the load required to snap together is

approximately 37 KgF)

ONCE QJ INCLINOMETER CASING IS

“SNAPPED” TOGETHER IT

CANNOT BE UNDONE

V1.4 March 15

5.2 End caps

Before installing the QJ Inclinometer Casing a bottom

cap should be fitted. Various options are available as

follows:-

5.2.1 QJ standard end cap (A)

To be used where no problems with uplift are expected

and a separate external Tremie tube is to be used.

5.2.2 QJ grout valve cap (B)

Used in small boreholes where there is no room for

external Tremie pipes.

The cap has a non-return valve and perforated pipe

fitted to the end cap (1).

The grout pipe fitted on the bottom with a female

Quick-Connect coupling (2) is lowered through the

inclinometer Casing and couples to a male

Quick-Connect coupling (3) in the cap.

Grout is pumped through the pipe into the base of the

borehole filling it from the base.

The grout pipe is removed after grouting completed.

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