# US 2022/0034084 A1 · "Building Elements and Structures having Materials with Shielding Properties"

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- Number: US 2022/0034084 A1
- Document ID: US20220034084A1
- Status: Published application
- Kind: A1
- Application number: 17/390,113
- Filed: 2021-07-30
- Published: 2022-02-03
- Earliest claimed: 2020-07-30
- Assignees: John Lefkus
- Inventors: John Lefkus
- Web page: https://patentgrep.com/patent/US20220034084A1

## CPC

- E04B 1/92: Protection against other undesired influences or dangers (buildings providing protection against external dangers E04H9/00; shielding against dangerous radiation G21F)
- E04H 9/10: Independent shelters; Arrangement of independent splinter-proof walls
- E04H 9/04: against air-raid or other war-like actions
- F41H 5/24: for stationary use, e.g. fortifications {; Shelters; Guard Booths (air-raid shelters E04H9/04)}
- G21F 1/10: Organic substances; Dispersions in organic carriers
- G21F 3/00: Shielding characterised by its physical form, e.g. granules, or shape of the material
- G21F 3/04: Bricks; Shields made up therefrom
- E04B 2001/925: {Protection against harmful electro-magnetic or radio-active radiations, e.g. X-rays}
- E04B: GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS (border constructions of opening in walls, floors or ceilings E06B1/00; {electromagnetic shielding H05K9/0001})
- E04H: BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL (foundations E02D)
- F41H: ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- G21F: PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR (radiation protection by pharmaceutical means A61K8/00, A61Q17/04; in cosmonautic vehicles B64G1/54; combined with a reactor G21C11/00; combined with X-ray tubes H01J35/16; combined with X-ray apparatus H05G1/02)

## Abstract

A shielding system includes a plurality of transportable modules, wall panels, or pods that are connectable to form a containment area and to define a radiation barrier. Each of the plurality of transportable modules has a first radiation wall defining the containment area, a second radiation wall spaced apart from the second wall, and a radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall. The radiation shielding fill material includes one of a superabsorbent polymer (SAP) filling a portion of a void between the first radiation wall and the second radiation wall, or a non-Newtonian fluid completely filling the void between the first radiation wall and the second radiation wall. A quantity of the radiation shielding fill material is sufficient to substantially reduce measurable radiation level outside the containment area.

## Claims

### Claim 1

A shielding facility comprising:
a plurality of transportable modules connectable to form a containment area and to define a radiation barrier, each of the plurality of transportable modules comprising:
a first radiation wall defining the containment area;
a second radiation wall spaced apart from the second wall; and
a radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall,
wherein the radiation shielding fill material comprises a superabsorbent polymer (SAP) filling a portion of a void between the first radiation wall and the second radiation wall, and
wherein a quantity of the radiation shielding fill material is sufficient to substantially reduce measurable radiation level outside the containment area when a remainder of the void is filled with a liquid such that the SAP absorbs at least a portion of the liquid.

### Claim 2 (depends on 1)

The shielding facility according to claim 1, wherein the plurality of transportable modules comprises one or more sidewall modules connectable together to define vertical walls of the shielding facility and one or more roof modules connectable to an upper end of the one or more sidewall modules.

### Claim 3 (depends on 2)

The shielding facility according to claim 2, further comprising at least one truss spanning between opposing sidewall modules and configured for supporting at least one of the one or more roof modules.

### Claim 4 (depends on 2)

The shielding facility according to claim 2, further comprising a foundation having a plurality of elongated beams arranged in a pattern corresponding to a floor plan of the shielding facility, wherein each of the elongated beams is configured for supporting the one or more sidewall modules.

### Claim 5 (depends on 2)

The shielding facility according to claim 2, further comprising a shielded door on at least one of the sidewall modules.

### Claim 6 (depends on 1)

The shielding facility according to claim 1, wherein a thickness of each of the plurality of transportable modules is 0.5 meter to 6 meters.

### Claim 7 (depends on 1)

The shielding facility according to claim 1, further comprising at least a second set of transportable modules surrounding the plurality of transportable modules.

### Claim 8 (depends on 1)

The shielding facility according to claim 1, wherein the SAP is a synthetic SAP, a semi-synthetic SAP, or a natural SAP.

### Claim 9 (depends on 1)

The shielding facility according to claim 1, wherein the SAP comprises elements configured for enhancing an absorption of radiative energy.

### Claim 10

A shielding facility comprising:
a plurality of transportable modules connectable to form a containment area and to define a radiation barrier, each of the plurality of transportable modules comprising:
a first radiation wall defining the containment area;
a second radiation wall spaced apart from the second wall; and
a radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall,
wherein the radiation shielding fill material comprises a non-Newtonian fluid filling a void between the first radiation wall and the second radiation wall, and
wherein the non-Newtonian fluid is configured to substantially reduce measurable radiation level outside the containment area.

### Claim 11 (depends on 10)

The shielding facility according to claim 10, wherein the plurality of transportable modules comprises one or more sidewall modules connectable together to define vertical walls of the shielding facility and one or more roof modules connectable to an upper end of the one or more sidewall modules.

### Claim 12 (depends on 11)

The shielding facility according to claim 11, further comprising at least one truss spanning between opposing sidewall modules and configured for supporting at least one of the one or more roof modules.

### Claim 13 (depends on 11)

The shielding facility according to claim 11, further comprising a foundation having a plurality of elongated beams arranged in a pattern corresponding to a floor plan of the shielding facility, wherein each of the elongated beams is configured for supporting the one or more sidewall modules.

### Claim 14 (depends on 11)

The shielding facility according to claim 11, further comprising a shielded door on at least one of the sidewall modules.

### Claim 15 (depends on 10)

The shielding facility according to claim 10, wherein a thickness of each of the plurality of transportable modules is 0.5 meter to 6 meters.

### Claim 16 (depends on 10)

The shielding facility according to claim 10, further comprising at least a second set of transportable modules surrounding the plurality of transportable modules.

### Claim 17 (depends on 10)

The shielding facility according to claim 10, wherein the non-Newtonian fluid is a rheopectic fluid, a thixotropic fluid, a dilatant fluid, a pseudoplastic fluid, or any combination thereof.

### Claim 18 (depends on 10)

The shielding facility according to claim 10, wherein the non-Newtonian fluid has ballistic- and blast-proof properties.

### Claim 19

A method of constructing a modular shielding facility, the method comprising:
connecting a plurality of transportable modules to form a containment area and define a radiation barrier, each of the plurality of transportable modules comprising:
a first radiation wall defining the containment area; and
a second radiation wall spaced apart from the second wall; and
filling a void between the first radiation shielding wall and the second radiation shielding wall with a radiation shielding fill material,
wherein the radiation shielding fill material comprises one of a superabsorbent polymer (SAP) filling a portion of a void between the first radiation wall and the second radiation wall and a non-Newtonian fluid filling the entire void between the first radiation wall and the second radiation wall.

### Claim 20 (depends on 19)

The method according to claim 19, further comprising removing at least a portion of the radiation shielding fill material from the void prior to disassembling the plurality of modules.
